Blank Student Number Lines, 10 Per Pack, 3 Packs

These write-on, wipe-off cards are ideal to help students solve operations, ratio, and a variety of other problems. Features a single line on one side, and two number lines on reverse. Measures 4" x 20" each. Each pack includes 10 number lines. Sold as 3 packs for a total of 30 number lines.