Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is a one-step problem?

Back

A one-step problem is a math problem that can be solved in a single operation, either addition or subtraction.

Front

What is a two-step problem?

Back

A two-step problem is a math problem that requires two operations to find the solution, such as adding and then subtracting.

Front

How do you solve a one-step addition problem?

Back

To solve a one-step addition problem, simply add the numbers together.

Front

How do you solve a one-step subtraction problem?

Back

To solve a one-step subtraction problem, subtract the smaller number from the larger number.

Front

What is the total of 160 and 128?

Back

288

Front

If you have 425 shells and Zach collected 160 and Emily collected 128, how many shells did the rest of the family collect?

Back

137 shells.

Front

What is the combined total of 87 leaves and 43 leaves?

Back

130 leaves.

Front

If Libby collected 196 leaves, how many more leaves did she collect than Annie and Sara combined?

Back

66 leaves.