Lakeshore Number Line Slider Boards - Set of 10

Count, add, subtract and more! Get instant counting reinforcement! Help your little one to solve basic counting problems independently with the Lakeshore number line slider boards. The set includes 10 boards, each numbers 0 to 20 and sliding pointer. Kids can use the easy number lines that provide hands-on practice with counting, addition and subtraction. The set also includes 48 practice questions with answers on back for cross checking the answers.