1st Grade Common Core Addition and Subtraction Mixed Practice Worksheets

Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

Practice addition and subtraction within 20 with this sweet Valentine’s Day math puzzle!

Get practice balancing addition and subtraction equations with this lower grades math worksheet!

Get more practice balancing addition and subtraction equations with this lower grades math worksheet!

Practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

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

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

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Practice making balanced equations with this first-grade math worksheet!

Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

Say goodbye to spring fever with this sweet spring-themed math puzzle!

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

Invite your learners to hop into some fun with this seasonal Easter puzzle worksheet!

Ignite problem-solving prowess in your young math learners with this fun Easter puzzle worksheet!

Spark curiosity and problem-solving skills in young learners with this engaging spring-themed math puzzle!

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

Students will love getting to make and cut out their own fact family triangles as they practice writing three related numbers.

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!

Use these vocabulary cards with the EL Support Lesson Plan: Fact Family Triangles.

Use these vocabulary cards with the EL Support Lesson: Fact Family Houses.

Get more practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Get even more practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Get more practice making balanced equations with this first-grade math worksheet!

Get even more practice making balanced equations with this first-grade math worksheet!

Pick pumpkins with equivalent expressions in this first- and second-grade worksheet!