Your first grader will need her knowledge of addition and subtraction to fill in the missing cards in this puzzle.

Make math practice fun, not frightful, with some Halloween word problems! Your child will get a good introduction to doing math with word problems.

These three Halloween math problems feature spooky and sweet number lines, and easy addition and subtraction.

This quick practice test offers simple addition and subtraction word problems to help your first grader review.

Give your student some frighteningly fun Halloween word problems to solve! They will be honing reading and problem solving skills as they practice simple addition and subtraction.

Your first grader will get some practice with beginning word problems as they puts together some tasty burgers.

Kids will learn more about inverse operations by reviewing their subtraction problems. Use addition, the inverse of subtraction, to review problems.

Use these fun toy themed math problems to assess your students’ ability to solve addition and subtraction problems within 20.

Don’t forget your addition and subtraction facts in this fun, food-themed worksheet!

Hike through the Fluency Forest as you solve these addition and subtraction problems!

Have your child work backwards to solve addition problems and learn more about the additive inverse.

Your child will enjoy cutting and pasting while solving problems to fill in the missing information.

Your child will practice subtraction, by using inverse operations. Find the missing numbers to solve the subtraction problems.

This solve-and-check worksheet encourages kids to solve subtraction problems, and then check their answers with addition.

It’s time for some DIY! Students will be challenged to solve 20 addition and subtraction problems in this friendly worksheet!

Learners will answer 20 problems designed to assess their understanding of addition and subtraction facts within 20 in this engaging math worksheet.

Practice solving different types of subtraction word problems with this worksheet. Plenty of space is included for students to show their thinking!

Kids find the missing numbers and use their knowledge of inverse operations to solve the addition and subtraction problems by building fact family houses.

Your student will need glue and scissors to put these fact family houses back together. Don't forget to solve the problems and fill in the blanks.

This subtraction worksheet will help strengthen your students' ability of understanding word problems and they key words involved. Plenty of space is included for students to show their thinking!

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

This worksheet is a recipe for expertise in addition and subtraction facts!

Spark some campfire math magic with this worksheet made for first graders!

Master simple addition and subtraction facts with this inviting math worksheet!

Find facts fast as you add and subtract 10 in this engaging worksheet!

Can your child use her addition and subtraction knowledge to put the numbers where they need to go?

Invite students to explore the relationship between addition and subtraction facts with this first-grade math worksheet! 

Explore the relationship between addition and subtraction facts with this first-grade math worksheet!