{"product_id":"didax-write-on-wipe-off-number-lines-0-10-0-20-double-sided-dry-erase-math-tool-for-early-learners-set-of-10","title":"Didax Write-On\/Wipe-Off Number Lines 0–10 \u0026 0–20 – Double-Sided Dry-Erase Math Tool for Early Learners, Set of 10","description":"\u003cstyle\u003e.aplus-img{display:block!important;margin:0!important;padding:0!important;border:0!important;max-width:100%!important;height:auto!important;line-height:0!important;font-size:0!important;vertical-align:top!important}.aplus-img+.aplus-img{margin-top:0!important;margin-bottom:0!important}.aplus-wrap{line-height:0!important;font-size:0!important;margin:0!important;padding:0!important;display:block!important}\u003c\/style\u003e\u003cdiv id=\"v-about-wrap\"\u003e\u003c\/div\u003e\u003c!-- DBG1_A_descLen=3308 --\u003e\u003cscript id=\"v-gallery-js\"\u003e(function(){var m={\"59405547438161\":[\"61SQeu4gLvL._AC_SL1500\"],\"59405547405393\":[\"612UQaXZiPL._AC_SL1200\"]};function fg(entries){var 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practice clean and eco-friendly\u003c\/li\u003e\u003cli\u003e🧮 Build Early Math Skills – Strengthens counting, sequencing, and simple addition\/subtraction.\u003c\/li\u003e\u003cli\u003e👩‍🏫 Perfect for Classroom or Home Use – Great for centers, small groups, or individual learning.\u003c\/li\u003e\u003cli\u003e💪 Durable \u0026 Long-Lasting – Laminated surface stands up to daily use by young learners.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSpecial Feature\u003c\/th\u003e\u003ctd\u003eDurable\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eColor\u003c\/th\u003e\u003ctd\u003eMulticolor\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower Source\u003c\/th\u003e\u003ctd\u003eBattery Powered\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eLight Source 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Perfect for PreK–Grade 2, these double-sided number lines help students visualize numbers, counting, and basic operations. One side features a 0–10 number line for beginning learners, while the other extends to 0–20 for growing math skills. Each durable, laminated number line can be written on with dry-erase markers, making it easy to model, practice, and correct. Ideal for math centers, small group instruction, or at-home learning, these number lines turn abstract math into hands-on, visible understanding! Featuring 0-10 on one side and 0-20 on reverse. 4\\\" x 13\\\" each. Grades K-2. \u003c\/p\u003e\u003c\/div\u003e\u003ch5\u003eAbout Us\u003c\/h5\u003e\u003cp\u003e1829 - John Tacey begins selling slates, chalk and sponges for use in the classroom. Philp \u0026amp; Tacey is incorporated in the UK.\u003c\/p\u003e\u003cp\u003e1918 - Philip \u0026amp; Tacey becomes the first supplier of Friedrich Froebel materials.\u003c\/p\u003e\u003cp\u003e1931 - Maria Montessori works closely with Frank Tacey to develop and produce math manipulatives.\u003c\/p\u003e\u003cp\u003e1953 - Unifix Cubes are invented by Charles Tacey – they are square and don’t roll off students desks like Poppet Beads.\u003c\/p\u003e\u003cp\u003e1976 - Didax is incorporated in Massachusetts to distribute Unifix materials into the United States.\u003c\/p\u003e\u003cp\u003e1996 - Didax develops Unifix Software to help students with disabilities to use Unifix materials.\u003c\/p\u003e\u003cp\u003e2006 - Didax develops AMC Anywhere, a digital assessment system for use with Unifix Cubes in partnership with Math Perspectives Teacher Development Center.\u003c\/p\u003e\u003cp\u003e2014 - Didax expands its assembly and fulfillment capability to supply manipulative kits to thousands of schools.\u003c\/p\u003e\u003cp\u003e2021 - Didax celebrates 45 years and thousands of original and useful teaching materials created.\u003c\/p\u003e\u003ch4\u003eFrom the Brand\u003c\/h4\u003e\u003cdiv style=\\\"display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;line-height:0;font-size:0;\\\"\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/806baced-a198-4df9-b007-3d0e639639b4.__CR0,0,1464,625_PT0_SX1464_V1___.png\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/49478d78-164c-4b38-8cf9-4d888777c39d.__CR0,0,362,453_PT0_SX362_V1___.png\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003c\/div\u003e\u003ch5\u003eNew Products\u003c\/h5\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/30424225-bf37-478b-96f0-66b1c84791cb.__CR0,0,362,453_PT0_SX362_V1___.png\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003ch5\u003eUnifix Cubes\u003c\/h5\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/789da154-1e32-45f9-be3e-9f5c5f26f29a.__CR0,0,362,453_PT0_SX362_V1___.png\\\" class=\\\"aplus-img\\\" style=\\\"max-width:100%;height:auto;display:block;margin:0!important;padding:0!important;border:0;vertical-align:top;line-height:0;font-size:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003ch5\u003eCounting \u0026amp; 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