Unit 2: Comparing Bits and Pieces Review

October 14, 2015
Unit 2: Comparing
Bits and Pieces
Review
Choose and explain which one
of the set is not equivalent.
a. 0.40
.4
4%
b. 1/20
20%
0.20
c. 105%
1.5
9
/6
October 14, 2015
Arrange these decimals from least to greatest.
0.086
0.9
0.090
0.86
9.00
Arrange these decimals from least to greatest.
-0.086
-0.9
-0.090
-0.86
-9.00
Decide whether each pair of fractions is
equivalent or not equivalent. Explain your
reasoning.
-6/12 __ -4/8
4
/5 __ 16/25
12
/10 __ 11/5
October 14, 2015
Write the following ratios as a fraction,
decimal, and percent.
Ratio
Fraction
Decimal
Percent
1 out of 4 games lost
42 out of 80 cars
30 jobs out of 100 jobs
15 missed out of 20
questions
The ratio of dogs to total pets at the
shelter is 20 out of 25.
What fraction of the shelter is dogs? What percent is
dogs?
What fraction is other pets? What percent is other pets?
October 14, 2015
The small marks indicate mm.
Draw a mark on the ruler at 2.4 cm.
How many millimeters is 2.4 cm?
According to the ruler, how long
are the pencils?
What fraction of a centimeter is
each millimeter?
How many fourths are in 2.6?
How many sixths are -42/3?
October 14, 2015
Caroline was at church listening to the
worship music. She noticed that during one
hour, 20 songs were sung and 4 of them
were by Hillsong United.
What is the ratio of songs by Hillsong United to the numbers
of songs sung?
Write this as a unit rate.
Suppose the church continues to sing worship songs at this
ratio. How many times will Caroline hear songs by Hillsong
United in the next 4 hours?
Write each fraction as a decimal.
a. -42/60
b. 5/8
c. -36 8/1000
Write each decimal as a fraction.
a. 0.06
b. -2.034
c. 0.102
d. -0.7