Strengthen your second grader's ability to tackle his addition facts by adding up the number strings, and uncover a fun fact when he's finished.

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

Your child will figure out the number pattern and further develop the problem solving skills needed for multiplication.

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

One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

Can your kid solve these multiple-step word problems by using a number line? Let her take a crack at it and see how well she does!

Don’t worry, going batty is a good thing with this color-by-number addition worksheet!

This word problem worksheet will help your child learn how to solve math problems by measuring values on a number line.

Count like a champ! Your kid will find missing numbers in no time when he learns how to use a number line. Now get searching!

Double the numbers equals double the fun! Practice adding with near-doubles in this engaging math worksheet.

Treasure your addition skills as you finish number bonds in this festive worksheet!

Make math fun with this doubles facts maze! 

Solve an enjoyable maze of doubles facts with this fun one-page worksheet!

Strengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

Lengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

Enhance your learners' addition and subtraction skills using number line models and real-world scenarios!

Boost your learners' addition and subtraction skills using number line models and real-world scenarios!

Invite your child to imagine that he is a car moving along a number line. Use this math worksheet to help your 2nd grader identify numbers, add, and subtract.

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Practice three-digit addition using open number lines with this second-grade math worksheet!

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Children develop their logic and reasoning skills as they answer a series of five word problems in this math worksheet.

This worksheet is a fun way to practice skip counting by nine, addition facts, and number sense skills.

Children develop their logic and reasoning skills as they answer a series of five word problems in this math worksheet.

This worksheet is a fun way to practice skip counting by seven, addition facts, and number sense skills.