Turn a patchy day into a fun science adventure with this cloud gazing worksheet! Draw the clouds you spot, and then identify which type they are.

Ever lay on your back to look at the clouds? Now you'll know which types of cloud make up all those silly shapes you see with this diagram.

This story starter featuring an alien butterfly catcher will surely put your little one in a silly mood! Add color to the picture and write a story about it.

This automobile-themed worksheet helps students practice counting the numbers 11–20.

How do you make learning addition and subtraction facts fun? Try your hand at "popping" colorful balloons showing a sum or difference of eleven!

Assess your students’ understanding of subtraction by having them solve subtraction problems within 20.

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

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Use this glossary with the EL Support Lesson Plan: Adding Within 20.

Gain expertise with addition sentences within 20 in this helpful math worksheet!