Adding and Subtracting

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 taking one number away from another.

Front

What is the sum of 5 and 7?

Back

12

Front

What is the sum of 50 and 70?

Back

120

Front

What is the sum of 549 and 453?

Back

1,002

Front

If Ms. Wood bought 5 slices of pizza and then 5 more, how many slices does she have now?

Back

10 slices

Front

If Ms. Wood has 10 slices and eats 9, how many slices does she have left?

Back

1 slice

Front

What is the sum of 80 and 90?

Back

170

Front

What does it mean to 'have left' in a math problem?

Back

It refers to the amount remaining after some has been taken away.

Front

What is a word problem in math?

Back

A word problem is a mathematical question presented in the form of a story or real-life scenario.