Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

Teach your child about customary measurement and number lines with these addition word problems.

Measure your way to the right answer by using this handy number line to solve word problems about adding length.

This worksheet shows your child how to use thermometers like numbers lines in order to solve addition and subtraction word problems about temperature.

Practice adding tens on an open number line with this first-grade math worksheet!

Get more practice adding tens on an open number line with this first-grade math worksheet!