Math ReviewMath Review

Chapter 4Chapter 4

Give the inverse operation or fact Give the inverse operation or fact family for these numbers.family for these numbers.

2, 5, 102, 5, 10

6, 7, 426, 7, 42

Give an example of the Give an example of the following operations.following operations.

Commutative PropertyCommutative Property 3 x 4 = 4 x 33 x 4 = 4 x 3

Associative PropertyAssociative Property (2 x 5) x 8 = 2 x (5 x 8) (2 x 5) x 8 = 2 x (5 x 8)

Property of ZeroProperty of Zero 5 x 0 = 05 x 0 = 0

Property of One Property of One 34 x 1 = 3434 x 1 = 34

Mr. Freking collects stamps. These Mr. Freking collects stamps. These stamps come in packs of 12. He bought stamps come in packs of 12. He bought 4 packs. How many stamps does he 4 packs. How many stamps does he have?have?

There are 24 students in Mr. Carroll’s There are 24 students in Mr. Carroll’s room. He is going to put students into 3 room. He is going to put students into 3 groups for the Reader’s Theatre. How groups for the Reader’s Theatre. How many kids should he put in each group.many kids should he put in each group.

There are 9 teams in the YMCA There are 9 teams in the YMCA basketball league. Each team has 8 basketball league. Each team has 8 players. How many players play in the players. How many players play in the league?league?

Jill babysits for 3 hours a day. She does Jill babysits for 3 hours a day. She does this 4 days a week. How many hours will this 4 days a week. How many hours will she work in 3 weeks?she work in 3 weeks?

Phil has 43 history movies. He is going Phil has 43 history movies. He is going to donate them evenly to 5 different to donate them evenly to 5 different history museums. How many movies will history museums. How many movies will he not be able to donate?he not be able to donate?

Tim has 18 mountain dew cans in his Tim has 18 mountain dew cans in his bedroom. He wants to put the cans on 3 bedroom. He wants to put the cans on 3 different shelves. Write the four different different shelves. Write the four different math problems you can think of to math problems you can think of to represent this equation.represent this equation.

At the football game, pop costs $1.50 At the football game, pop costs $1.50 and pizza costs $2.25. How much and pizza costs $2.25. How much change would I get back if I bought one change would I get back if I bought one of each and paid with a $10 bill.of each and paid with a $10 bill.

My two brothers and I are buying My two brothers and I are buying perfume for my mother. The cost of the perfume for my mother. The cost of the perfume is $33. How much will each of perfume is $33. How much will each of us have to pay?us have to pay?

There are 29 pieces of pizza in the Mr. There are 29 pieces of pizza in the Mr. Sylliaasen’s classroom. 8 students are Sylliaasen’s classroom. 8 students are all going to eat the same amount. How all going to eat the same amount. How many pieces will Mr. S be able to eat?many pieces will Mr. S be able to eat?