NUMBERS & ALGEBRA: convert non-negative fractions, decimals, & percentages

Question 1

integers

Answer 1

whole numbers and their opposites

-3 -2 -1 0 1 2 3….

Question 2

whole numbers

Answer 2

numbers used in counting including 0

0 1 2 3 4 5…

Question 3

how to calculate a percentage

Answer 3

take the portion and divide it by the whole then multiply 100

Question 4

ex of how to calculate a percentage

if there are 12 females in a group of 50 people what is the percentage?

Answer 4

12/50 x 100
0.24 x 100
24%

Question 5

how to convert the fraction to decimal

Answer 5

numerator divide by the denominator

Question 6

ex of converting fraction to decimal

Answer 6

3/8

3/8= 0.375

Question 7

convert fraction to percentage

Answer 7

convert fraction to decimal
convert decimal to percentage by multiplying by 100

Question 8

ex of converting fraction to percentage

Answer 8

3/8
3/8=0.375
0.375 x 100= 37.5%

Question 9

convert decimal to fraction

Answer 9

put the number over the place value of the decimal part & remove the decimal point from the numerator

Question 10

ex of converting decimal to fraction

Answer 10

0.48
48/100

3.24
324/100

Question 11

convert percentage to decimal

Answer 11

divide percentage by 100

or move the decimal point two places to the left and drop the percent symbol

Question 12

ex of converting percentage to decimal

76.8%

Answer 12

76.8%
0.768

Question 13

ex of converting percentage to fraction and decimal

35%

Answer 13

35/100= 7/20

0.35

Question 14

ex of converting percentage to fraction and decimal

28.4%

Answer 14

28.4/100=284/1000=71/250

0.284

Question 15

ex of converting percentage to fraction and decimal

55%

Answer 15

55/100= 11/20

0.55

Question 16

ex of converting percentage to fraction and decimal

100%

Answer 16

100/100=1

1

Question 17

ex of converting percentage to fraction and decimal

0.09%

Answer 17

0.09/100=9/10,000

0.0009

Question 18

convert each decimal to a percentage

A. 3.25
B. 0.215

Answer 18

A. 3.25
3.25x100=
325%

B. 0.215
0.215x100=
21.5%

Question 19

convert each percentage to a decimal

C. 62.9%
D. 145%

Answer 19

C. 62.9%
62.9%/100=
0.629

D. 145%
145%/100=
1.45

Question 20

convert each decimal to a fraction

E. 0.265
F. 1.39

Answer 20

E. 0.265
265/1000

F. 1.39
139/100

Question 21

convert each fraction to a decimal

G. 26/10
H. 16/25

Answer 21

G. 26/10
2.6

H. 16/25
0.64

Question 22

what percentage is equivalent to
17/10?

Answer 22

17/10
17/10= 1.7
1.7 x 100=
170%

Question 23

which of the following fractions is equal to 56.4% ?

a. 564/1000
b. 564/100
c. 564/10
d. 564

Answer 23

56.4% / 100=
0.564

Question 24

what decimal number is equal to
3.75%

Answer 24

3.75%
3.75/100
0.0375

Question 25

which of the following decimals is equal to 16/50?

a. 0.32
b. 0.68
c. 1.47
d. 3.125

Answer 25

16/50=
0.32