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Unit 5
100

67 x 1,000 = ? 

67,000

100

which number is a prime number ? 

21 , 39 , 43 , 87 

43 

100

23/10 x 11/3 

8 13/30 

100

(5c + 4 )/ 12 -6 , when c is 18 

13

100

38/1,000

0.038 

200

Estimate 1,238 x 56 = ? 

60,000

200

Which number is a composite number ? 

 26 , 31 ,37 , 59

26

200

7/8 x 4/5 

7/10

200

6y - 4 when y is 24 

140

200

416 thousandths 

0.416 or .416 

300

Multiply 79 x 52 = ? 

4,108

300

what is the sum of 3/8 + 1/2 = ? 

7/8 

300

6 x 6/7 

5 1/7 

300

3r -2 / 2 when r is 8 

11

300

Order 0.329 , 2.641 , 0.835 from greatest to least 

2.641 , 0.835 , 0. 329 

400

Divide 45,600 by 10 

4,560

400

2 3/4 + 1 1/2 = ? 

4 1/4 

400

5/8  ÷ 10 = 

1/16

400

Convert 59 ounces to pounds / ounces 

3lb 11 oz 

400

least to greatest 

0.720 ,0 .876 , 0 . 125 

0.125 , 0.720 , 0.876 

500

19 - [( 18 + 6 ) - 3 ] = ? 

2 

500
3/4 - 1/4 = ? 

5/12

500

10  ÷ 1/9 

90 

500

Convert 22 ounces to pounds and ounces 

1lb 6 oz

500

Round 23.422 to the nearest Hundredths 

23.42