Test 6 Units 1 - 8

Question 1

754 + 692 + 875 =

Answer 1

2321

Question 2

63842 - 19784 =

Answer 2

44058

Question 3

4648 divided by 56 =

Answer 3

83

Question 4

5.6 x .21 =

Answer 4

1.176

Question 5

.29 x .003 =

Answer 5

.00087

Question 6

3.2 - 1.6541 =

Answer 6

1.5459

Question 7

5 1/8 - 2 1/4 =

Answer 7

2 7/8

Question 8

7 1/3 + 18 5/6 + 7 3/8 =

Answer 8

33 13/24

Question 9

2 7/9 divided by 5/18 =

Answer 9

25/9 x 18/5 = 5/1 x 2/1 =

10

Question 10

35% of 400

Answer 10

400 x .35 = 140

Question 11

6 is 12% of what number?

Answer 11

6 divided by .12 = 50

Question 12

48 is what % of 320?

Answer 12

48 divided by 320 = .15 or

15%

Question 13

48 pk. 6 qt. divided by 6 =

Answer 13

8 pk. 1 qt.

Question 14

2 lb. 7 oz. x 5 =

Answer 14

2 x 5 = 10 lb.; 7 x 5 = 35 oz. 16 oz = 1 lb. so 35 oz = 2 lb, 3 oz. Add the 2 lb. to the 10 lb. the answer is:
12 lb. 3 oz.

Question 15

7 cm 2 mm - 3 cm 5 mm =

Answer 15

3 cm 7 mm

Question 16

write 7 1/2% as a decimal

Answer 16

.075

Question 17

change 3 1/2 to an improper fraction

Answer 17

7/2

Question 18

write 1/8 as a decimal

Answer 18

.125

Question 19

write the prime factors of 32

Answer 19

2 , 2 , 2 , 2 , 2

Question 20

write the greatest common factor of 8 & 12

Answer 20

4

Question 21

write the least common multiple of 4 & 6

Answer 21

12

Question 22

subtract 17% from 100%

Answer 22

83%

Question 23

round off 56,894,568 to the nearest one million

Answer 23

57,000,000

Question 24

round off $6.8992 to the nearest cent

Answer 24

$6.90

Question 25

write the Arabic value of MMCCCXLII

Answer 25

2342

Question 26

choose the number that is divisible by 6: 552 or 525

Answer 26

552

Question 27

choose the greatest: .03; .099; .103; .13; .129

Answer 27

.13

Question 28

multiply 3.96584 by 100

Answer 28

move decimal point to the right 2 places:

396.584

Question 29

divide 87.6 by 1,000

Answer 29

move decimal point to the left 3 places:

.0876

Question 30

find the simple interest if $5,000 is borrowed for 2 years at 12% rate of interest

Answer 30

5000 x 2 x .12 =

$1,200

Question 31

complete proportion: 7/11 = ___/121

Answer 31

11 x 11 = 121, so 7 x 11 = 77

answer is 77

Question 32

Find the percent of increase from 12 to 18.

Answer 32

18 - 12 = 6. 6 is half of 12. So the increase from 12 to 18 is a 50% increase because 6 is 50% of 12. (6 divided by 12 = .5) If the question was 12 to 24, or an increase of 12, it would be a 100% increase because 12 is 100% of 12.

50% increase

Question 33

find 15% more than 40.

Answer 33

40 x 1.15 = 46; or you could say 40 x .15 = 6; then 6 + 40 = 46.

Question 34

convert 32 quarts to gallons

Answer 34

32 divided by 4 = 8 gal.

Question 35

convert 15 pounds 8 ounces to pounds

Answer 35

15 1/2 lb.

Question 36

convert 25 millimeters to centimeters

Answer 36

2.5 cm

Question 37

choose the longer: kilometer or mile

Answer 37

mile

Question 38

a checkbook register has a balance of $158. If a deposit of $35 is made & a check for $78.96 is written, find the new balance.

Answer 38

158 + 35 - 78.96 =

$114.04

Question 39

find the unit cost to the nearest tenth of a cent if 8 ounces cost $2.10

Answer 39

2.1 divided by 8 = $.263 or 26.3 cents

Question 40

find the kilowatt-hours used if 300 watts are used for 8 hours.

Answer 40

300 x 8 = 2400. 2400 divided by 1000 =

2.4 kw-hr

Question 41

find the hours worked if a man works from 8:00 A.M. to 2:30 P.M.

Answer 41

6 1/2 hours

Question 42

The Jenkins family has $2,800 to budget each month. They budget 13% for food. How much do they budget for food?

Answer 42

2800 x .13 = $364

Question 43

Cara bought a dress that was on sale for 25% off the regular price of $78. What was the sale price?

Answer 43

78 x .25 = $19.50 is the amount of the discount. Subtract this from the original price. 78 - 19.5 =
$58.50 sale price

Question 44

Victoria Whit used 578 kw-hr of electricity in December. The rate is 9.1 cents per kw-hr. Find the amount of her electric bill.

Answer 44

578 x .091 = $52.60

Question 45

Dad bought $200,000 of term life insurance at the rate of $5.40 per thousand-dollar unit. How much is the annual premium?

Answer 45

200000 divided by 1000 = 200. 200 x 5.4 =

$1,080

Question 46

Chad earns $8.60 per hour. What is his gross pay for working 24 hours?

Answer 46

24 x 8.6 = $206.40

Question 47

Bridget earns $5 per hour baby-sitting. If she baby-sits from 5:00 P.M. to 8:30 PM, how much will she earn?

Answer 47

5 to 8:30 is 3.5 hours. 3.5 x 5 = $17.50

Question 48

The foster family used 6,500 cubic feet of natural gas at the rate of $.90 per hundred cubic feet. What is the cost of the natural gas?

Answer 48

6500 x .09 = $58.50

Question 49

Megan was charged an 8% sales tax on a $40 pair of shoes. How much was the sales tax?

Answer 49

40 x .08 = $3.20