Positive and Negative Number Practice: This 4x12 double-sided dry erase lapboard features a -10 to +10 number line on one side and a 0-20 number line on the reverse. Fill-in-the-blank equation areas support counting, integer concepts, addition and subtraction during classroom lessons, math centers, tutoring and homeschool practice. Reusable Eco Friendly Learning Routine: The crisp surface lets students write, wipe and repeat, helping reduce reliance on disposable worksheets over time. Lightweight Masonite hardboard construction, rounded corners and a water-resistant finish make the board easy to carry and comfortable to use on a desk or lap. Clear Package Details: This listing includes one non-magnetic, non-toxic and skin-friendly Masonite number line board. The product is safe for normal classroom and home use. A marker and eraser are not included.

• LIGHTWEIGHT PORTABLE DESK LAPBOARD FOR GRADES 1, 2, 3 AND 4: The slim 4x12 format fits personal desk and lap use while remaining easy to carry between learning spaces. Students can keep the number line within reach during lessons, homework and guided practice.
• PERSONAL MATH TOOL FOR CLASSROOM AND HOMESCHOOLING: One board gives an individual learner a dedicated visual workspace for classroom math centers, tutoring sessions, homeschool lessons and small-group activities, while teachers can model number movement without relying on a wall display.

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