Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.

Adding large numbers can be tough, but rounding makes it easy. Use rounding to the nearest 100 to make complicated addition problems simple.

Use open number lines to practice addition within 100 with this colorful math worksheet!

Practice addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

Use this colorful, open-ended worksheet to help your learners understand the value of 100.

Start your engines and rush toward the finish line in this engaging addition worksheet!

Children add 10 or 1 to move through the hundreds chart to get to 100 in this fun addition worksheet.

This math game is a great way to help first grade learners hone their addition and subtraction skills as they race to 100.

Enjoy a dessert-themed race to 100 with this delicious math game in which learners imagine units, rods, and flats as sprinkles, chocolate bars, and cookies.

Hone your two-digit addition skills in this essential worksheet!

Master two-digit addition in this second-grade worksheet!

Practice your place value skills while you add in this helpful worksheet!

Practice a visual addition strategy with this second-grade place value worksheet!

Step up your place value skills with these engaging addition problems!

Practice place value and two-digit addition with this inviting worksheet!

In the Halloween Hundreds Chart Game, players try to get to the jack-o’-lantern, or 100, faster than their opponent. In this addition worksheet, students will use the game boards of two fictional players to answer questions and write number sentences.

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!