Multiplying with Zeros
Estimating Products
Multiplying Numbers
Exponents
Review
100

302 X 17 =

5,134

100
Estimate 75 x 28
What is 2,400?
100
The product of 62 x 7
What is 434?
100

12 x 104

120,000

100

6,246 rounded to the nearest ten is this.

What is 6,250?

200

410 X 44 = ?

18,040

200
Estimate 286 x 9
What is 2,700?
200
The product of 921 x 8
What is 7,368?
200

6,471 X 101

64,710

200
In 6,764,257 this number is in the ten thousands place
What is 6?
300

90 X 58 = ?

5,220

300
Estimate 47 x 29 x 11
What is 15,000?
300
The product of 44 and 23.
What is 1,012?
300

2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 in exponential notation is this.

28

300
In the 5.934, this number is in the tenths place.
What is 9?
400
In an auditorium, there are 104 rows with 24 seats in each row. How many seats are there in all?

2,496

400

Estimate 43 x 27 x 4

What is 4,800?

400
The product of 984 and 45.
What is 44,280?
400

55 = ?

What is 3,125

400
Kara has 6029 stickers. Nick gives her 780 more. ABOUT how many stickers does Kara have now?
What is 6,800 stickers?
500

Joe wants to multiply 66 x 606. He says that all he has to do is find 6 x 606 and then double the number. Explain why he is incorrect. 

Multiplying by 6 and then doubling the product is the same as multipling by 12, not by 66. 

606 x 6 x 2 = 7,272

606 x 66 = 39,996

500

A store sells 2580 toys per day during Christmas time. Each toy costs $18. Estimate the amount the store makes in one day.

What is between $50,000 and $60,000?

500
John buys 85 boxes of T-shirts for $29 each. This is how much John pays.
What is $2,465?
500

70,000 = 70 X 10 to what power?

3

500

Chris wants to buy a new bike that costs $238.09. He has to buy a helmet too. The helmet costs $65.00. Chris has $300. How much more money does he need to purchase both items?

He needs $3.09 more.

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