Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping

Learning two-digit addition isn't about memorizing steps, it's about understanding place value. Support the development of your class's number sense with these addition mats that help children break apart two-digit numbers into tens and...

Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...

Math games, especially in the primary grades, provide great opportunities for developing the number sense of young mathematicians. Working in pairs with a deck of single-digit cards, students take turns drawing two cards and reading the...

Invite your youngsters to practice addition and subtraction by playing this game. Kids must determine the answer to each math problem and place that problem on the segment of the caterpillar that holds the answer.

What number does 6 tens and 16 ones represent? How is it different from or similar to the number that 7 tens and 6 ones represent? This is the type of questions learners are asked to solve as a way to understand the concept of regrouping.

Crossword puzzles make great worksheets! Here, learners solve 11 one-digit addition problems. They use their solutions to solve a math crossword puzzle.

Strengthen your class's understanding of place value with this series of base-ten flash cards. Including illustrations representing a variety of numbers from 13 to 94, this resource can be used in many different ways...

Second graders subtract two-digit numbers. In this mathematics lesson plan, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.

Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this activity walks students step-by-step through the solutions of each, starting in the ones place and working their...

In this addition worksheet, students add five digit numbers together to find a sum. Students complete 15 addition problems with and without regrouping.