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.
It’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.
Uh-oh, the numbers have gone missing! Help students learn that the equals sign means “the same as” as they fill in missing factors to balance the equations.
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?
Kids love it when things are fair! Help students make equal groups of toys while exploring how the equals sign means “the same as.” Students will draw the missing objects and write the missing factors to balance the equations.
This scaffolded EL lesson will help your students fluently add within 20, while reinforcing parts of a whole. Use as a pre-lesson for Addition: Over in a Flash, or as a stand alone activity.
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.
Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.
This worksheet helps students understand how an equals sign means “the same as.” By filling in missing factors, students gain practice seeing how multiple number combinations can make the same number.
If your students have mastered adding numbers under 10, move them on up with these resources for adding numbers within 20. These worksheets provide students with plenty of practice adding. There are also several lesson plans to give you ideas for teaching students how to add numbers within 20. If students struggle, you may want to review our addition within 10 lesson plans.
Accessible Addition Within 20 Resources
The need to calculate simple equations often comes up in day-to-day life—exchanging money, following recipes and determining elapsed time are a few common examples. The addition within 20 resources housed in the Learning Library caters to kids who start to dip into two-digit math.
The printable worksheets provide assorted assignments that sharpen this skill. Kids can practice finding the sum with traditional vertical and horizontal equations. There are also many addition-within-20 word problem printouts. Some of the worksheets are illustrative, like with spaceships or rainbow fish, to deliver visual and creative math lessons.
Hands-on activities help students refine what they have learned in the classroom. A creative game called Pocket Math includes the whole family. Everyone has to wear as many pockets as possible and young learners practice counting them all up. Bowling for Addition turns a DIY bowling game into a counting opportunity. The water bottle pins are marked with a value that students add up once the pins are knocked down.
Kids continue to build their counting capabilities with the online games, guided lessons, printable workbooks, interactive stories and other addition within 20 resources in the library.