Adding and Subtracting Whole Numbers

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 the sum of 3,258 and 1,761?

Back

5,019

Front

What is the sum of 16,018 and 135?

Back

16,153

Front

What is the sum of 821 and 4,543?

Back

5,364

Front

If 1,420 people attended the museum on Sunday and 1,268 attended on Monday and Tuesday combined, how many more people attended on Sunday?

Back

152 more people

Front

Abby read 235 pages of a book. If Joey read 123 more pages than Abby, how many pages did they read in total?

Back

593 pages

Front

What is a whole number?

Back

A whole number is a number without fractions or decimals; it can be zero or any positive number.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

How do you check your addition?

Back

You can check your addition by using subtraction: subtract one of the addends from the sum to see if you get the other addend.