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1st Grade Within 20 Common Core Addition Fact Fluency Resources

It&#39;s time to check those addition skills! Use this to assess your student&rsquo;s abilities to add within 20.

Addition to 20 Check-in

Word problems are a great way to apply math knowledge to real-world situations. Check in on your first graders&rsquo; abilities to solve addition word problems with this handy assessment.

Addition Word Problems

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.

Number Bonds All Around

Limit addition to within 20 for students new to two digit addition in this engaging exercise.

Addition Facts Within 20

Learners will take on 20 one-digit addition problems in this sweet springtime worksheet.

Spring Into Addition! One-Digit Addition Practice

Use this number line as a tool to practice adding and subtracting within 20.

Number Line 1-20

Practice addition within 20 with this Halloween math workheet!

Halloween Addition #5

It's time to check in on those addition skills! Use this math activity to assess your students’ understanding of addition by having them solve addition problems within 20.

Assessment: Addition to 20

Give students practice adding 2 to numbers within 10 with this addition worksheet!

Adding Two

Prepare for some scary Halloween counting practice! This game encourages players to knock down cylinders and then add to determine their scores.

Halloween Party Game

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Add All Three: Adding Three Numbers

Enjoy a Halloween-themed race to 100 as students imagine units, rods, and flats as candies, broomsticks, and pumpkins. Players will use this pumpkin race board to regroup between place values up to the hundreds place in order to win the game!

Pumpkin Race Board

Looking for a different way to engage your child with his addition facts? This color by number underwater scene might do the trick!

Addition Color by Number

Add it up! Assess your students’ understanding of addition by having them solve addition problems within 20.

Addition to 20

Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

Fish School Addition

Practice adding 3&nbsp;to numbers within 10 with this first-grade addition worksheet!

Adding Three

Practice adding 4 to numbers within 10 with this first-grade addition worksheet!

Adding Four

In this Halloween-themed math worksheet, students will look at existing game boards and add one and two-digit numbers as they try to determine who got the pumpkin in the pumpkin race game.

Who Got the Pumpkin?

Contine to build&nbsp;addition fluency with this worksheet that focuses on adding five to numbers within 10!

Adding Five

Single-digit addition is a leap away using number lines like the ones on this worksheet.

Number Line Frog Leap One-Digit Addition

Give students practice adding seven to numbers within 10 with this first-grade addition worksheet!

Adding Seven

Build addition fluency with this worksheet that focuses on adding nine to numbers within 10!

Adding Nine

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

Balancing Equations: Cut and Paste #1

It&rsquo;s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.

Build Your Own Number Bond

Practice addition from a different approach with these number stories. Find the addition equation in each word problem.

Addition Number Stories

Help learners build&nbsp;addition fluency with this worksheet that focuses on adding six to numbers within 10!

Adding Six

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.

Break the Numbers Down!

Practice decomposing numbers and writing equations with this kindergarten and first-grade math worksheet!

Decompose 11-19: Tens and Ones #1

Build addition fluency with this worksheet that focuses on adding eight to numbers within 10!

Adding Eight

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

Additive Inverse Practice

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1st Grade Within 20 Common Core Addition Fact Fluency Resources

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