Powers of ten
Multiplication with zeros
Multiplication
Multiplying decimals
odds and ends
100

5 x 101

What is 50?
100

40 x 2

What is 80? 

100

42 x 5 

What is 210? 

100

.08 x 6

What is .48? 

100

Compare: Greater than, less than, or equal to. 

.07   ____     0.71 

What is less than?  <

200

3 x 102

What is 300?

200

800 x 2 

What is 1600? 

200

37 x 9 

What is 333? 
200

0.3 x 40

What is 12.0 or 12? 

200

The  first 4  multiples for the number 30.

What is 30 ,60, 90, 120? 

300

18 x 102

What is 1,800? 

300

80 x 600

What is 48,000? 

300

24 x 15 

What is 360? 

300

1.03 x 15

What is 15.45? 

300

Compare: Greater than, less than, or equal to. 

1.987   _____  1.897


What is greater than? >

400

108 x 102

What is 10,800? 

400

Every month Josh makes $40 for walking his neighbors dog after school. How much does he earn in 1 year? 

What is $480? 

400

54 x 75 

What is 4,050? 

400

7.21 x 0.3

What is 2.163? 

400

All the factors for the number 48.

What are 1, 2, 3, 4, 6, 8, 16, 12, 24, 48?

500

523 X 104

What is 5,230,000

500

An elephant eats about 2,500 pounds of food in 10 days. How much would he eat in 1,000 days? 

What is 250,000 pounds of food? 

500

49 x 76 

What is 3,724? 

500

246.1 x 0.09


What is 22.149

500

What number are these all the multiples of? 

20, 32, 28, 16, 12, 4, 8, 40, 36, 44, 48 

What is 4 ? 

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