Chapter one review Go Math

Chapter one review Go Math

Multiple Choice

Which property does this equation show?

1x9=9

• Identity property of multiplication

• Commutative property of multiplication

• Distributive property of multiplication

• Associative Property of Multiplication

Multiple Choice

Which property does this equation show?

87x6 =6 x 87

• Commutative property of multiplication

• Identity Property of Multiplication

• Associative property of Multiplication

• Distributive Property

Multiple Choice

Which property does this equation show?

6 + ( 2 + 3) = 2 +(3 +6)

• Commutative property

• Identity Property

• Associative property

• Distributive Property

Multiple Select

How do I write 700,562 in two different ways? Choose both answers that apply.

• (7 x 100,000) + ( 5 x 100) + (6 x 10) + (2 x 1)

• seven hundred thousand, five hundred and sixty two

• 7,000,000 + 500 + 60 + 2

• 7 hundred thousands + 5 hundreds + 62 tens

Carrie has 150 coins. She has 10 TIMES as many coins as she had last month. How many coins did she have last month?

Multiple Choice

Carrie has 140 coins. She has 10 TIMES as many coins as she did last month. How many coins did she have last month?

• 15 coins

• 12 coins

• 14 coins

Valerie earns $26 dollars an hour. Which expression can be used to show how much she makes in 7 hours?

Step one: I have to set up my math sentence to be 26 x 7

Step two: I have to use the distributive property to express this math sentence to make it easier to solve.

(7 x 20) + (7 x 6)

Multiple Choice

Valerie earns $24 an hour. Which expression can be used to figure out how much she makes in 7 hours?

• (24 x 7) + (4 x 7)

• (7 x 20) + (7 x 4)

• (7 x 20 ) x (7 x 4)

The pattern is that each time the power of 10 increases, the number of zeros matches the exponent.

Ex: 10³ = 1,000 there are 3 zeros and the exponent is 3

Open Ended

What is the pattern you are seeing everytime the exponent increases by one?

It is 3,456 miles to Max's grandma's house. He goes there 3 times a year. How many miles a year does he travel in all?

3,456 x 3 = 10,368 miles total

Multiple Choice

It is 3452 miles to Max's grandma's house. If he travels there 3 times a year, how many miles does he travel in all?

• 10,368

• 10,356

• 3,452

• 10,376

Jay buys 8 plates for $2 each. THEN he buys 4 bowls that costs 4 times as much as the plates. The store is having a sale that gives $3 off the bowls. Which expression shows how much he spent?

(8 bowls x $2) + [ ( 4 bowls x 4 ) - $3 off the plates) ] 

( 8 x 2) + [(4 x 4) - 3 ]

Solve the expression.

2 + ( 70 + 5) x 4

step one: complete the parentheses (70 + 5).

2 + (75) x 4

Step two: solve the multiplication (75 x 4)

2 + 300

Step three: Add (2 + 300)

302

Answer: 302

Open Ended

Solve the expression.

2 + (65+7) x 3 =??

Which student is correct?

Open Ended

Sam followed these steps to evaluate the expression 

15 - (37 + 8)  $$\div$$  3 

Step one: 37 + 8

Step two: 45 - 15 

Step three: 30  $$\div$$  3

David said he should have done the division before the subtraction. Which student is correct and why?

Jason buys 8 boxes of granola bars. Each box contains 18 granola bars and he eats 4 bars. He writes a nummerical expression to show the situation.

(18 - 4) x 8

Is his expression correct?

NO IT IS NOT. He should have done 18 x 8 to figure out how many total granola bars he had and THEN subtract 4 from that answer to see how many he ate. So it should have been (18 x 8)-4

Open Ended

Jason buys 5 boxes of granola bars. Each box has 12 granola bars. He eats four of the total bars. He writes his expression as (12 - 4 )x 5. Why is his expression NOT correct? How should he have written the expression to show many total bars he has left after eating four?

Multiple Choice

How can I show this array with multiplication? 5 x ___ =50

• 10

• 4

• 50

• 5

Multiple Choice

How can I show this array with division? 50 $$\div$$  5= ____

• 10

• 4

• 50

• 5

Multiple Select

Select other ways to write 56,784

• (5 x 10,000) + (6 x 1,000) + (7 x 100) + (8 x 10) + (4 x 1)

• 5,000+6,000+400+ 700

• fifty six thousand, seven hundred and eighty four

• 50,000 + 6,000+ 700+ 80 + 4

10⁰= 10

10¹= 10

10²= 100

10³=1,000

Multiple Select

Check all of the answers that show 10³

• 20

• 30

• 1,000

• 10 x 10 x 10

• 10 x 3