Addition and Subtraction Flashcard

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 43 and 57?

Back

100

Front

What is the expanded form of 428?

Back

400 + 20 + 8

Front

How do you find the total number of items?

Back

You add the quantities together.

Front

If you have 323 postcards and use 125, how many are left?

Back

198 postcards

Front

What is the total of 355 and 266?

Back

621

Front

If Mrs. Davis has 356 pencils and sells 282, how many does she have now?

Back

74 pencils

Front

What does 'altogether' mean in math problems?

Back

'Altogether' means to find the total amount.

Front

What is a word problem?

Back

A word problem is a math problem written in the form of a story.