Solve Addition and Subtraction Word Problems Within 20

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

How do you solve an addition word problem?

Back

To solve an addition word problem, identify the total amount and the parts being combined, then add the numbers together.

Front

How do you solve a subtraction word problem?

Back

To solve a subtraction word problem, identify the total amount and the part being taken away, then subtract the numbers.

Front

If Jake has 8 dogs and Nina has 6 dogs, how many dogs do they have altogether?

Back

8 + 6 = 14 dogs.

Front

DJ had 17 Oreos and gave away 8. How many does he have left?

Back

17 - 8 = 9 Oreos.

Front

Ms. Marshall had 12 markers and now has 19. How many did Mr. Moody give her?

Back

19 - 12 = 7 markers.

Front

Jim ate 7 pieces of candy and then 9 more. How many pieces did he eat in total?

Back

7 + 9 = 16 pieces of candy.

Front

What is a word problem?

Back

A word problem is a mathematical problem expressed in words, requiring interpretation to solve.

Front

What does 'altogether' mean in math?

Back

'Altogether' means the total amount when combining numbers.