Use this thought-provoking worksheet to facilitate conversations as students seek to compare, contrast, and think deeply about different three-digit numbers.

Use this handy blank hundreds chart for extra practice writings numerals. It's also a great way for students to show understanding of patterns!

How high can you count? Use this handy check-in to assess your second graders’ abilities to count by ones, tens, and hundreds within 1,000.

Use this language routine to elicit meaningful conversation among your students! Will students be able to solve the problem by asking their partner for the information they need?

Are your students' math skills greater than or less than your expectations? Use this quick assessment to gauge your second graders' understanding of three-digit numbers.

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

Use these digit cards to practice number recognition or basic facts. Or take the learning up a notch by using the cards to teach place value as students build two-digit numbers to play the Hungry Alligator game!

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.

Use this place value mat to represent tricky multi-digit numbers and solve more complex math problems! Laminate a set of Place Value Mats to support your students as they develop a strong number sense!

Master rounding to the tens place with this engaging worksheet!

Understanding place value is fundamental to developing and mastering number sense skills. Use this assessment activity to evaluate how your first graders are coming along in their understanding of place value using tens and ones.

Learn your way around rounding with this essential worksheet!

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.

Students imagine units and rods are candies and broomsticks in this place value game. They will use this board to regroup between place values up to the tens place, and the first player to get to five broomsticks, or 50, wins the game!

Rounding numbers can be tricky. Teach your third graders the rhyme five or more up the score, four or less let it rest.

Round two-digit numbers to the nearest 10 with this essential worksheet!

Hone your rounding skills with this helpful worksheet!

Develop your rounding skills with this helpful worksheet!

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!

Get ready to round with this helpful second- and third-grade math worksheet! 

Students will practice using vertical number lines to round three-digit numbers.