Vocabulary
Fact Families
Commutative Property
Coins
100
What are the numbers being added together called?

Addends

100

True/False. The top of my math mountain is the total. 

True. 

100

Yes/No. Can I switch both addends in this property?

Yes

100

What coin is this?

Penny

200

What is the total answer to an addition problem called?

Sum

200

True/False. I can make 3 different equations from 3 numbers.

False. You can make 4 different equations. 

200

True/False. I can use this property in subtraction problems. 

False. You can only use the commutative property in addition problems. 

200

What coin is this?

Quarter

300

What is the answer to a subtraction problem called?

Difference

300

What is the value of a nickel?

5 cents

400

What is the value of a dime?

10 cents