Double-Sided Whiteboards for Students
122 results
Luxor's 72" x 40" mobile magnetic combination ghost grid/whiteboard features a 2" x 2" ghost grid pattern on one side and a plain white surface on the other. This offers an effective tool to facilitate communication in businesses, schools, and manufacturing environments. Two rolls of whiteboard tape are included to create the straight lines required for professional-looking graphs and columns without drawing attention to the grid lines. Perfect for sharing ideas, collaborating, or tracking lean initiatives, this dry-erase board's painted steel surface provides a smooth writing finish that resists stains and ghosting, while the magnetic quality allows printed documents and notes to be easily displayed. The reversible feature doubles the writing space; simply loosen the side knobs to disengage the spring-loaded locking clip, and flip the board from one side to the next. Four rolling casters provide easy mobility: engage the two locking brakes to maintain a fixed position..Lightweight yet durable, the ghost grid mobile whiteboard offers a modern look along with the functionality required for offices, training centers, classrooms, or production settings.Overall dimensions: 69"H x 74.5"W x 23"D; board size: 40" x 72".Painted steel whiteboard surface resists ghosting and staining, while the magnetic surface allows for posting of documents and notes.1" aluminum frame delivers contemporary style and lasting durability.2"D aluminum marker tray provides easy storage of whiteboard supplies.Assembly is required.Features a 2" x 2" ghost grid pattern on one side and a plain white surface on the other.Reversible board easily flips for twice the writing area.Features four 2"Dia. casters (two with locking brakes) for easy mobility.Includes two rolls of black whiteboard tape to create graphs and columns.Mounting brackets and hardware included for quick installation.10-year manufacturer limited warranty
Luxor's 48" x 36" mobile magnetic combination ghost grid/whiteboard features a 2" x 2" ghost grid pattern on one side and a plain white surface on the other. This offers an effective tool to facilitate communication in businesses, schools, and manufacturing environments. Two rolls of whiteboard tape are included to create the straight lines required for professional-looking graphs and columns without drawing attention to the grid lines. Perfect for sharing ideas, collaborating, or tracking lean initiatives, this dry-erase board's painted steel surface provides a smooth writing finish that resists stains and ghosting, while the magnetic quality allows printed documents and notes to be easily displayed. The reversible feature doubles the writing space; simply loosen the side knobs to disengage the spring-loaded locking clip, and flip the board from one side to the next. Four rolling casters provide easy mobility: engage the two locking brakes to maintain a fixed position..Lightweight yet durable, the ghost grid mobile whiteboard offers a modern look along with the functionality required for offices, training centers, classrooms, or production settings.Overall dimensions: 65.5"H x 51.5"W x 20.5"D; board size: 36" x 48".Painted steel whiteboard surface resists ghosting and staining, while the magnetic surface allows for posting of documents and notes.1" aluminum frame delivers contemporary style and lasting durability.2"D aluminum marker tray provides easy storage of whiteboard supplies.Assembly is required.Features a 2" x 2" ghost grid pattern on one side and a plain white surface on the other.Reversible board easily flips for twice the writing area.Features four 2"Dia. casters (two with locking brakes) for easy mobility.Includes two rolls of black whiteboard tape to create graphs and columns.Mounting brackets and hardware included for quick installation.10-year manufacturer limited warranty
The Luxor classroom whiteboard stand is a multiuse dry-erase stand that's double-sided and magnetic, making it great for classroom lessons and group activities. The height adjusts to serve multiple grade levels, and four casters make it easy to roll the board around the room or move from one learning area to another. A two-sided magnetic design doubles your workspace, while chart hooks let you use easel paper pads. Plus, two removable storage totes with carrying handles provide convenient storage for markers, books, and other items. Enhance your learning environment with this versatile mobile marker board for creative classrooms..Double-sided magnetic whiteboard is great for classroom lessons and group activities.Overall dimensions: 61"-72"H x 31"W x 25"D; 40" x 30" (board).Painted steel surface resists ghosting and provides excellent erasability.Two durable plastic open bins hold supplies, while handles allow for easy toting.Features a space-saving vertical orientation.Chart hooks display easel paper pads, pocket charts, and posters.Marker ledge holds books and stores whiteboard materials.Great mobility with four casters (two with locking brakes).10-year manufacturer limited warranty
This U Brands dry-erase reversible whiteboard features tempered magnetic glass surface that will never stain or ghost. Great for heavy use..Stay organized and share ideas with this double-sided dry-erase whiteboard that is great for heavy use.40"H x 48"W board size.Tempered white magnetic glass is a classic and clean option for any home or office.Frameless board design blends seamlessly into any environment.Rolling wheels allow you to quickly move this whiteboard from room to room - ideal for presentations.Package includes: dry-erase board, marker holder.Board surface won't stain and is super easy to clean.Write-and-wipe surface will not ghost.Surface accepts magnetic accessories.Lifetime manufacturer limited warranty
Communicate better in meetings and lectures by using this reversible whiteboard. Its porcelain surface resists scratches and stains for durability, and the reversible design doubles the usable writing surface. This Ghent magnetic whiteboard is mounted on sturdy casters for easy portability, and it locks into position for stability during use..Magnetic double-sided mobile dry-erase whiteboard is perfect for classrooms or offices.48"H x 72"W board size.High-quality porcelain on steel surface for crisp, clear messages.Aluminum frame.Reversible freestanding board with four durable casters (two locking wheels); board surface can be locked in place.Package includes: whiteboard, eraser, and four markers.Surface accepts magnetic accessories.Meets or exceeds TAA Compliant standard.Made in the USA.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals including wood dust which is/are known to the State of California to cause cancer, birth defect, or other reproductive harm. For more information visit a href="http://www.P65warnings.ca.gov" target="_blank"www.P65warnings.ca.gov/a.Give clearer lectures and presentations with this 4 x 6-foot Ghent reversible magnetic porcelain whiteboard.
Record ideas and conversation highlights during meetings on this reversible dry-erase board. The board has writing surfaces on both sides, so you have more space available without erasing, and the four casters make mobility easy. Two of the wheels on this Ghent reversible dry-erase board have locks to prevent unintentional movement, and the accessory tray ensures markers and erasers are in easy reach..Non-magnetic, double-sided mobile dry-erase whiteboard is perfect for classrooms or offices.36"H x 48"W board size.Melamine surface is smooth and easy to clean.Aluminum frame.Reversible freestanding board with four durable casters (two locking wheels); board surface can be locked in place.Package includes: whiteboard, eraser, and four markers.Non-magnetic whiteboards offer excellent writing and erasing qualities.Meets or exceeds TAA Compliant standard.Made in the USA.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals including wood dust which is/are known to the State of California to cause cancer, birth defect, or other reproductive harm. For more information visit a href="http://www.P65warnings.ca.gov" target="_blank"www.P65warnings.ca.gov/a.Make to-do lists or hand out tasks to your work crew on this 3 x 4-foot Ghent reversible whiteboard.
Create meeting notes on this rolling dry-erase board. The aluminum legs are on casters for easy portability, and the writing surface is double-sided, so you can flip the board for more writing space. This Ghent dry-erase board has a marker tray on both sides for quick access to writing utensils..Non-magnetic, double-sided mobile dry-erase whiteboard is perfect for classrooms or offices.68.5"H x 36"W x 25"D board size; 42"H x 36"W writing surface.The dry-erase surface is laminated to provide additional durability for use.Aluminum frame.Free-standing board with double-sided writing surface, 2.5" heavy-duty casters, lightweight aluminum legs, and low center of gravity.Package includes: whiteboard, dry-erase marker, and four markers.Write-and-wipe surface will not ghost to prevent it from dulling.Non-magnetic whiteboards offer excellent writing and erasing qualities.Made in the USA.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals including wood dust which is/are known to the State of California to cause cancer, birth defect, or other reproductive harm. For more information visit a href="http://www.P65warnings.ca.gov" target="_blank"www.P65warnings.ca.gov/a.Wheel pre-written notes or presentation agendas to office meetings with this Ghent rolling whiteboard.
Ensure writing is easily visible with this double-sided whiteboard. The magnetic design makes it simple to display flyers, posters, and other documents, while the durable aluminum frame provides added sturdiness. This Luxor whiteboard is dual-sided for extra writing space and comes with four casters, allowing for quick repositioning or convenient transportation to different rooms..Magnetic whiteboard is ideal for heavy use in spaces with high traffic and doubles as a bulletin board.Board dimensions: 36"H x 48"W.Steel surface to stick magnetic items onto the whiteboard surface.Silver aluminum frame for durability.Free-standing board.Assembly required.Package contents: whiteboard, mounting brackets, and hardware.Overall dimensions: 65.5"H x 51.5"W x 20.5"D.Painted steel surface resists ghosting and provides excellent erasability.Surface accepts magnetic accessories.10-year manufacturer limited warranty.Teach lectures, train new hires and work on a variety of other projects with this Luxor 36 x 48-inch double-sided aluminum-frame magnetic whiteboard.
Allow children to be able to practice new skills almost anywhere with C-Line's latest study tool. Create an instant learning space with the Double-Sided Dry Erase Answer Paddle. One side of the board is lined for practicing handwriting skills, while the other side is blank to allow free learning, drawing, math practice, etc. The board is rigid to allow students to practice their skills away from the desk or table. The handle makes it easy for kids to hold up in the classroom if teachers are working on a group exercise. Easily clean with a soft dry cloth or tissue when used with a low-odor dry erase marker or dry erase crayon (not included). Pack of 12 answer paddles..Create an instant learning space with the Double-Sided Dry Erase Answer Paddle.Boards measure 10" x 8".Medium Density Fiberboard.Unframed.One side of the board is lined for practicing handwriting skills, while the other side is blank to allow free learning, drawing, math practice, etc..Allow children to be able to practice new skills almost anywhere with C-Line's latest study tool.The board is rigid to allow students to practice their skills away from the desk or table.Easily clean with a soft dry cloth or tissue when used with a low-odor dry erase marker or dry erase crayon (not included).The handle makes it easy for kids to hold up in the classroom if teachers are working on a group exercise.Pack of 12
Take your meeting to your team with this mobile dry-erase board. Generously sized with a writing surface of 48 x 72 inches, it can double as a privacy wall. This MasterVision whiteboard's steel tubular frame and support bars provide stability, and the magnetic board comes with a repositionable accessory tray for markers and other supplies..The mobile double-sided whiteboard is perfect for classrooms and all training environments.Overall dimensions: 48"H x 72"W.Surface is made of lacquered steel on both sides, accepts magnetic accessories.Aluminum tubular frame and support bars complement virtually any decor.Portable with easy glide locking castors for full mobility, pen tray can be positioned in different places.Package includes: whiteboard, clips, and pen tray.Surface accepts magnetic accessories.10-year manufacturer limited warranty.Set up group sessions or private lessons anywhere with this MasterVision mobile whiteboard.
Staples dry-erase learning board is double-sided, ruled and blank..Dry erase learning board.8.9" x 11.8".Double-sided, ruled and blank.Ruled side to practice penmanship.Includes dry-erase marker and marker loop.Horizontal Mount.Staples Dry-Erase Learning Board is perfect for classrooms and playrooms.
Introducing the Excello Global Products Indestructible A-Frame White Board, a versatile and durable solution for all your communication and presentation needs. Crafted with precision and designed for longevity, this double-sided A-Frame white board is an essential addition to any workspace, classroom, or meeting room. With its robust construction, stylish rustic wood finish, and user-friendly features, it stands out as the ideal tool to enhance collaboration and creativity in any environment. Invest in a white board that stands up to the demands of your dynamic environment – the Excello Global Products Indestructible A-Frame White Board. Elevate your presentations, meetings, and collaborative sessions with a reliable and stylish solution that encourages creativity and communication..INDESTRUCTIBLE CONSTRUCTION - This A-Frame white board is made from sturdy rustic wood, reinforced with steel brackets, ensuring durability and resilience in high-traffic areas..DOUBLE-SIDED DESIGN - Maximize your writing and display space with the convenience of a double-sided board. Effortlessly switch between sides to keep your presentations dynamic and engaging..SIZE - Measuring 23" x 40", with a generous white board space of 18" x 29", this A-Frame white board provides ample room for organizing ideas, brainstorming sessions or conveying important information.CONTINUOUS TOP HINGE - The continuous metal top hinge adds a touch of modern elegance and ensures smooth and stable rotations. Effortlessly fold and unfold the A-Frame without compromising stability..STYLISH FINISH - The Excello Global Products Indestructible A-Frame Whiteboard seamlessly blends functionality with style, making it an attractive addition to any professional or educational setting.
Constructed for strength and durability, Ghent's reversible whiteboard is a versatile mobile communication tool. This double-sided board features smooth, durable whiteboard mounted to a hardboard backing to ensure stability. Its reversing mechanism is specifically designed to make flipping to the other side quick and easy. Strong steel lock clamps adjust to secure the board in any position. The portable unit features a full-length accessory tray for convenience. This board is fully mobile with added bracing on the legs for stability and security..Stay organized and share ideas with this reversible whiteboard.Dimensions: 72" x 53".Comes with steel surface.Features aluminum frame.Freestanding double-sided mobile board.Includes four casters with two locking wheels.Nonmagnetic whiteboard offers excellent writing and erasing qualities.Full-length accessory tray and reinforced legs for stability.TAA-compliant product.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals, including Wood Dust, which are known to the State of California to cause cancer. For more information, visit www.Prop65Warnings.ca.gov
Students explore pairs of numbers that make up a given number. Measuring 9" x 12", these plastic dry erase boards are printed on one side and blank on the other. Students see the inverse relationship between addition and subtraction when using number bonds. Knowledge of number bonds is essential when it comes to harder calculations involving addition and subtraction. These dry erase boards can be used in a variety of mathematical and verbal activities. Each set includes 10 boards. Sold as 2 sets for a total of 20 boards..These dry erase boards can be used in a variety of mathematical and verbal activities.Measures 9" x 12".Plastic boards are light and easy to store.Unframed.Provides a visual for students to see the inverse relationship between addition and subtraction when using number bonds.Rounded corners and edges for safety.10 Per set, sold as 2 sets, 20 boards total
Set of 10 all-purpose boards features magnetic/dry erase on one side and dry erase only on the other. Ideal for independent learning or small groups. All-purpose board features a blank, write & wipe surface on both sides. One side is also magnetic, as indicated by a magnet icon, for use with magnetic letters, numbers and tiles..PERFECT FOR CLASSROOMS: Magnetic, double-sided dry erase boards are perfect for classroom engagement, or getting kids started on drawing, spelling, and math. Use for independent learning and small groups.DRY ERASE FOR EASY CLEANING: Set of 10 blank boards are magnetic/dry erase on one side and dry erase only on the other. The surface will allow you to wipe off quickly with just a cloth..SLIM DESIGN: The board measures 12"L x 9"H, making them easy for little hands to hold. It also easily portable for taking in the car, or from classroom to classroom.REUSABLE: The dry erase board is reusable, saving you not only on the cost of paper, but the waste as well.Great for children ages 3 and up.Learning Resources Dry erase board is ideal to use with magnetic letters, numbers as well as tiles, sold as 10 per set.
Constructed for strength and durability, Ghent's reversible whiteboard is a versatile mobile communication tool. The double-sided board features smooth, durable whiteboard mounted to a hardboard backing to ensure stability. The reversing mechanism is specifically designed to make flipping to the other side quick and easy. Strong steel lock clamps adjust to secure the board in any position. With the traditional look and functionality, Ghent's reversible board is great for the classroom or office. This reversible board is a perfect brainstorming tool..Stay organized and share ideas with this reversible board.Overall dimensions: 72" x 36".Combo nonmagnetic dry-erase and cork bulletin board offers a variety of messaging options.Features aluminum frame and includes four casters with two locking wheels.Freestanding board.Assembly required.Package includes: whiteboard, four markers, and eraser.Combination design adds value by providing two boards in one.Nonmagnetic whiteboard offers excellent writing and erasing qualities.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals, including Wood Dust, which are known to the State of California to cause cancer. For more information, visit www.Prop65Warnings.ca.gov
Use these math-fact triangles again and again! Familiar triangle format offers a powerful method for building number fact fluency and teaching fact families. Focuses on both addition/subtraction (on front side) and multiplication/division (on reverse). Supports development of higher-level algebraic skills such as equation building, the commutative property and problem solving. Write & wipe surface on both sides of the board. Triangle boards measure 10"H. Grades 1+. Each set includes 5 boards. Sold as 2 sets for a total of 10 boards..Write & Wipe Fact Family Boards.10".Plastic.Unframed Board.Triangle format helps students explore the relationship between numbers.No Assembly Required.10 Boards.Supports development of higher–level algebraic skills such as equation building, the commutative property, and problem solving.Double-sided board focuses on addition/subtraction on one side and multiplication/division on reverse
Luxor mobile magnetic glass whiteboards double the writing space and are designed to move easily from location to location making them perfect for collaborative workspaces. The durable aluminum frame and wide base create stability while the super-clear glass offers a bright white surface that is optimal for wet/dry erase markers. This double-sided magnetic glass board presents a contemporary look that complements any office, conference room, training center or classroom, while the 3" rollerblade-style casters with non-marking treads guarantee smooth mobility. Luxor magnetic glass dry-erase boards are easy to assemble and are packaged with supportive materials that are highly resistant to damage during shipping..Double-sided tempered glass resists stains and ghosting.Super-clear finish enhances marker colors for a brighter, more vivid display.Sturdy aluminum frame withstands years of use.Sleek marker tray keeps track of accessories.Magnetic surface allows for hanging of documents, spreadsheets, and more.Four 3" rollerblade-style casters, two with locking brake, will not leave marks.Requires rare-earth magnets (not included).Meets ISTA 3A Packaging Standards.Overall: 51"W x 24"D x 72"H.Board: 46.5"W x 34.25"H
Learning Resources® Dry-erase answer board measuring 8" x 6" is blank on one side and has space on the other side to write team names. Board with 4" removable handle is sold as 10 per pack containing 5 red/5 blue boards..Size: 8" x 6".Board surface: Dry-erase.Colorful shapes add a playful touch to any subject, double-sided boards feature handwriting lines for practicing letter formation and writing words, sentences and stories, reverse side is blank.Perfect for theme-based learning and centers.Works with wet- or dry-erase marker, boards measure approximately 4 1/2" x 7" each.4" easy-grip plastic handles.Five each in red and blue for quick visual team differentiation.Includes 5 red boards, 5 blue boards and removable handle.Set of 10.Answer Boards.Write-on / wipe-off answer boards makes the students exciting out their answers with these double-sided dry-erase boards.
Constructed for strength and durability, Ghent's reversible whiteboard is a versatile mobile communication tool. This double-sided board features smooth, durable whiteboard mounted to a hardboard backing to ensure stability. Its reversing mechanism is specifically designed to make flipping to the other side quick and easy. Strong steel lock clamps adjust to secure the board in any position. The portable unit features a full-length accessory tray for convenience. This board is fully mobile with added bracing on the legs for stability and security..Stay organized and share ideas with this reversible magnetic whiteboard.Dimensions: 72" x 53".High-quality porcelain on steel surface for crisp, clear messages.Features aluminum frame.Freestanding double-sided mobile board.Includes four casters with two locking wheels.Surface accepts magnetic accessories.Full-length accessory tray and reinforced legs for stability.TAA-compliant product.10-year manufacturer limited warranty.⚠ WARNING: This product can expose you to chemicals, including Wood Dust, which are known to the State of California to cause cancer. For more information, visit www.Prop65Warnings.ca.gov
Allow children to be able to practice new skills almost anywhere with C-Line's latest study tool. Create an instant learning space with the Double Sided Dry Erase Lapboard. One side of the board is lined for practicing handwriting skills, while the other side is blank to allow free learning, drawing, math practice, etc. The board is rigid to allow students to practice their skills away from the desk or table. Easily clean with a soft dry cloth or tissue when used with a low-odor dry erase marker or dry erase crayon (not included). Sold as a pack of 6 answer paddles..Create an instant learning space with the Double-Sided Dry Erase Answer Paddle.Boards measure 10" x 8".Medium Density Fiberboard.Unframed.One side of the board is lined for practicing handwriting skills, while the other side is blank to allow free learning, drawing, math practice, etc..Allow children to be able to practice new skills almost anywhere with C-Line's latest study tool.The board is rigid to allow students to practice their skills away from the desk or table.Easily clean with a soft dry cloth or tissue when used with a low-odor dry erase marker or dry erase crayon (not included).The handle makes it easy for kids to hold up in the classroom if teachers are working on a group exercise.Pack of 6
Help foster collaboration in classrooms and offices with this mobile whiteboard, which rolls on four sturdy wheels. This double-sided whiteboard is also magnetic and includes hooks to suspend easel pads, allowing you to affix papers and other supplemental presentation materials. Use this Safco Impromptu whiteboard's included tray to easily bring dry-erase markers and accessories between rooms for multiple presentations or training sessions..Magnetic whiteboard is ideal for heavy use in spaces with high traffic and doubles as a bulletin board.Board dimensions: 72"H x 42"W.Surface material: magnetic.Gray powder-coated steel frame for durability.Free-standing board.Assembly required.Surface accepts magnetic accessories.Brainstorm, train, and instruct anywhere with this wheeled Safco Impromptu full whiteboard screen.
Get a handle on early math skills! These double-sided, interactive write & wipe boards are designed to demonstrate fact family relationships. One side features a blank number bond and the reverse is for writing fact families. Great for building addition and subtraction skills, number relationships, and part-part-whole relationships. Boards measure 6.25L x 6.25H.Dry erase panels.Size: 6" x 6".Plastic/cardboard.Square with handle.5 Dry erase boards.Pre marked with number bonds
Transform your business or classroom into an interactive workspace with the Luxor Collaboration Station, a double-sided mobile magnetic whiteboard with four attachable marker boards. Designed to create a productive work environment where teammates can interact and share ideas, this mobile whiteboard’s surface area is easily extended by attaching four small whiteboards to connectors on the sturdy steel frame. The double-sided small boards can be used individually and when not in use, are conveniently stored in the built-in storage tray. Whether visualizing ideas on the large whiteboard or with all five boards joined together, or using individual boards for group interaction, the Collaboration Station is the perfect tool to inspire innovation and creativity..Large magnetic whiteboard with four attachable small whiteboards.ABS plastic connector clips allow smaller whiteboards to easily attach and remain secure.Two-sided whiteboards double the writing surface.Painted steel surface resists ghosting and provides excellent erasability.Magnetic whiteboard surface allows for hanging of documents and more.Powder-coated steel frame provides strength and durability.Four 2.5" casters, two with locking brake, provide easy mobility.Dual-purpose marker tray supports four small dry erase boards and holds markers and erasers.Overall: 82.25"W x 23.7"D x 76.4"H.Large Board: 40.4"W x 48.6"H.Small Boards: 18.75"W x 23.3"H
The TRU RED Mobile Whiteboard is designed for heavy use, making it perfect for classrooms, offices, or collaborative spaces. Its painted steel surface is double-sided, providing ample space for brainstorming sessions or presentations. The sturdy metal stand and aluminum frame ensure durability, while non-slip casters offer easy mobility. This whiteboard comes with essential accessories, including four dry erase markers, an eraser, and four magnets, making it ready for immediate use..Double-sided magnetic dry erase whiteboard for heavy use.40”H x 72”W (101.6 cm × 182.8 cm).Painted steel surface for smooth writing and erasing.Sturdy aluminum frame with a metal stand for stability.Features non-slip casters for easy mobility.Comes with four dry erase markers, one eraser, and four magnets for added functionality and a marker tray for convenient storage.3 year limited warranty.Elevate your presentations with the versatile TRU RED Mobile Whiteboard, featuring a spacious 72" x 40" double-sided surface.
Designed with innovation in mind, our Tru Red Double-Sided Mobile Whiteboard offers unparalleled convenience for on-the-go collaboration. The magnetic steel surface allows you to easily attach documents, notes, and visual aids, keeping all your materials in one easy-to-access place. The sturdy, silver aluminum board ensures durability while maintaining a sleek, professional look. Whether you're in a dynamic office environment, a classroom setting, or even a home workspace, this whiteboard is your versatile partner in productivity..Double-sided mobile dry erase board for standard use.48" L x 36" H.Magnetic double-sided painted steel surface.Aluminum Frame.360° Free Flip.Includes: four markers, four magnets, one eraser, one tray.Equipped with four casters with brakes for effortless movement or secure positioning.5 year warranty.Elevate your brainstorming sessions and collaborative meetings with the Tru Red Double-Sided Dry Erase Mobile Whiteboard