+/- decimals
Rounding
x decimals
place value
Prime/composite #'s
100

What is 12.5+12.5

25

100

What is 557.893 rounded to the nearest tenth?

557.9

100

what is 5.5x9

50.5

100

9,876 What place is the 9 in?

Thousandths

100

Which is a prime number 4,10,29,30

29

200

What is 12.2+12

24.2
200

What is 5,670 rounded to the nearest thousands?

6,000

200

what is 15.2x3

45.6

200

2,354 What place is the 5 in?

tens

200

Which is a prime number 5,10,15,20

5

300

what is 15.5-5.5

10

300

What is 432,987.359 rounded to the nearest tenth?

432,987.4

300

what is 12.6x2

25.2

300

157,354.389 What place is the 1 in?

Hundred Thousand

300

Which is a composite number 2,3,5,7,10

10

400

what is 45.9-23.7

22.2

400

what is 233,457.798 rounded to the nearest hundredth?

233,457.80

400

what is 12.5x5

62.5

400

45,670.243 What place is the 5 in?

One Thousand

400

Which is a composite number 2,5,7,9

9

500

What is 100.547+ 200.869

301.416

500

What is 557,459.270 rounded to the nearest ones?

557,459

500

What is 15.6x7

109.2

500

100,500,400.576 what place is the 6 in?

Thousandths

500

Which is a prime # 10,15,22,50, or 97

97

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