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.

Help students get a grasp on mentally adding or subtracting 10 from a multiple of 10 with this fun BINGO game!

Get this set of worksheets, with four pages of math practice, adding two numbers together, to help your child develop basic addition skills.

Practice subtracting two-digit numbers on an open number line with this charming math worksheet!

Give learners more practice subtracting tens from two-digit numbers using a number line with this hands-on worksheet!

Get ready to revise! Something as simple as adding details can really breathe life into boring sentences! Help students improve their writing as they use details to bring simple sentences to life.

Adding numbers within 20 is as easy as counting balloons with this colorful and simple worksheet.

Use your addition and subtraction skills to find out the answer to a mystery riddle! This worksheet helps kids build addition and subtraction fluency.

This hundred chart worksheet makes adding ten easy!

Practice adding tens with a visual model in this helpful worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: Adding Within 20.

Give your little financier a hand with adding coins. He'll add coins in his head and tally the amount to figure out the price of the item shown.

Get into the spirit of Halloween with a ghoulish grammar worksheet! Your child will help make these spooky sentences even more scary by adding adjectives.

Help the frog catch the fly! This entertaining math game will have you students practice adding and subtracting within 20 on a number line.

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Have your little math learner count the number of chicks and add them together for great practice in adding one on this math worksheet.

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

Try adding groups of bees, butterflies, and other assorted bugs in this beneficial worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this colorful fruit- and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this fruit and vegetable-themed worksheet!

First graders will enjoy adding with this colorful fruit and vegetable-themed worksheet!

First graders will have fun adding with this fruit and vegetable-themed worksheet!

Help your students use their knowledge of place value to add or subtract 10. By understanding how numbers are made of tens and ones, students learn how to add and subtract 10 with ease.

Practice adding ten to any number with this hundreds chart that helps kids master counting and place value.

This hundred chart is the perfect way for kids to show what they've learned as far as adding on a hundred chart.

Practice finding missing numbers while adding within 20 using ten frames!