Ordering and Comparing Various forms of Numbers, Unit Fractions, Number Representation, Decimal Values of Common Fractions

Question 1

Unit Fraction

Answer 1

a fraction with a numerator of 1

Question 2

1/2 as a decimal

Answer 2

.5

Question 3

1/4 as a decimal

Answer 3

.25

Question 4

2/4 as a decimal

Answer 4

.5

Question 5

3/4 as a decimal

Answer 5

.75

Question 6

1/5 as a decimal

Answer 6

.2

Question 7

2/5 as a decimal

Answer 7

.4

Question 8

3/5 as a decimal

Answer 8

.6

Question 9

4/5 as a decimal

Answer 9

.8

Question 10

1/3 as a decimal

Answer 10

.333…

Question 11

1/8 as a decimal

Answer 11

0.125

Question 12

1/10 as a decimal

Answer 12

.1

Question 13

2/3 as a decimal

Answer 13

.666…

Question 14

5/8 as a decimal

Answer 14

.624

Question 15

4/8 as a decimal

Answer 15

.5

Question 16

3/8 as a decimal

Answer 16

.375

Question 17

2/8 as a decimal

Answer 17

.25

Question 18

Which of the following is a decomposition of 3/4?
A. 1/4+1/4+1/4=3/4
B. 3/4=0.75=75%
C. 1/4+3/4=4/4=1
D. 1/2<3/4

Answer 18

A. because decomposing a fraction means to break a fraction up into the sum of the smaller parts with the same denominator.

Question 19

What tool is effective as a visual when students are first learning percents and decimals as values of of 100?

Answer 19

Base-10 Blocks

Question 20

How do you write a number out of 100 as a fraction?

Answer 20

place the number over 100 and reduce

Question 21

How do you convert a fraction to a decimal?

Answer 21

always divide the numerator (top number) by the denominator (bottom number)

Question 22

How do you convert a decimal to a percent?

Answer 22

move the decimal point two place values to the right

Question 23

What is moving the decimal point to place values to the right the same as?

Answer 23

multiplying by 100

Question 24

How do you find the percent of a number?

Answer 24

change the percent to a decimal and multiply the decimal by the number

Question 25

Choose a number from the list that is greater than 70% but less than 80% 0.85 65/100 1 0.75 2^2

Answer 25

Solution: 0.75 The correct choice should be between 0.7 and 0.8 0.85 is not between 0.7 and 0.8 65/100 = 0.65 is not between 0.7 and 0.8 1 is not between 0.7 and 0.8 0.75 is between 0.7 and 0.8 2^2 = 4 is not between 0.7 and 0.8