On this third grade math worksheet, kids round to estimate the difference between two numbers, a useful strategy for checking the results of calculations.

Subtracting with multiple zeros in the “top number” doesn’t need to be a seemingly endless cycle of borrowing. The Subtract One strategy simplifies the task with two easy steps.

This worksheet will challenge your third graders to round numbers and then them. Students will answer multiple choice questions by rounding up or rounding down numbers in the problems provided.

Learners practice open number line subtraction within 100 with this engaging math worksheet!

The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

Introduce learners to open number line subtraction within 100 with this engaging math worksheet!

Use this quick assessment to gauge your second grader’s growth in subtraction this year. Students will put their skills to the test subtracting three-digit numbers using a strategy of their choosing in this math check-in.

Use this glossary with the EL Support Lesson Plan: Mental Math Bingo with Multiples of 10.

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

Use these vocabulary cards with the EL Support Lesson Plan: Mental Math Bingo with Multiples of 10.

Use this glossary with the EL Math Support Lesson: Multiples of 10.

Make your student number one with this worksheet full of subtraction fun using a hundreds chart.

Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.

Introduce this graphic organizer as a way to help students think about whether or not certain rules or characteristics apply to mathematical ideas always, sometimes, or never.

Travel through the hundreds chart on a quest to one.

Children practice conceptualizing multiples of 100 using a visual reference with this two-part worksheet.

Use these vocabulary cards with the EL Math Support Lesson: Multiples of 10.

This worksheet contains three two-digit subtraction problems guaranteed to give students "tens" of fun!

These Christmas presents are missing some color! Challenge your child to review her addition and subtraction math facts by solving the equations in these gifts.

Help your little one review her math facts with a fun coloring activity, where she'll solve and then color the addition and subtraction problems in each gift.

Should this Christmas present be red, yellow, or green? It's up to your young mathematician to find out in this Christmas math and color-by-number worksheet.

There are 10 gifts under the Christmas tree, but they're missing their colors. Your child will use his math and creative skills to color them in this worksheet.