Chapter 1
87 Divided by 3
29
Write each fraction or mixed number as a decimal.
1. 311/500= 2. 19/25=
1. =0.622 2. 0.76
Order the fractions 4/5, 1/2, 9/10, and 3/4 from least to greatest.
1/2, 3/4, 4/5, 9/10
Multiply. Write in simplest form.
1/3 times 2/5
2/15
Order each set of integers from least to greatest.
15, 17, 21, 6, 3
3, 6, 15, 17, 21
3/7 = x/21
x=9
Write each percent as a decimal and as a mixed number or fraction in the simplest form.
0.55%=
0.0055; or 11/2,000
Estimate each percent
47% of $118=
=1/2 of $120 is $60
Multiply. Write in simplest form.
5/6 times 15=
12 1/2
Order each set of integers from least to greatest.
-55, 143, 18, -79, 44, 101
-79, -55, 18, 44, 101, 143
72 ounces in 6 steaks=
12oz/1steak
The speed of a giraffe is 250% of the speed of a squirrel. If a squirrel is 12 miles per hour, find the speed of a giraffe.
ADD UNITS
30mph
Find the percent of each number
32% of 60=
19.2
4/9 times 3/8=
1/6
Write each fraction as a decimal.
-6/7=
-0.857142 continued
Nata spent $28 on 2 DVDs. At this rate how much would 5 DVDs cost? At what rate did she spend her money?
$70;$14 per DVD
Write each percent as a decimal.
0.0077=
0.77
Place the decimal point in the answer to make it correct. Explain your reasoning. 3.9853 times 8.032856= 32013341...
32.013341... Sample answer. 3.9853 times 8.032856 rounds to 4 times 8=32, so the answer must be about 32.
Juanita spent 3/4 of her allowance at the mall. Of the money spent at the mall, 1/2 was spent on new earphones did Juanita spend on earphones?
3/8
order the numbers from least to greatest
2.8, -2 3/4, 3 1/8, -2.22
-2 3/4,-2.2, 2.8, 3 1/8
288 miles on 12 gallons of fuel; 240 miles on 10 gallons of fuel.
Yes; since the ratios share the same unit rate the number of miles driven and the number of gallons of fuel from equivalent ratios; 288mi/12gal= 240mi/10gal
A car's tire pressure decreased by 0.098 of its original pressure. Write 0.098 as a percent.
9.8%
Katelyn has a vegetable garden that measures 16.75ft in length and 5.8 feet in width. Find the area of the garden. Justify you answer
97.15ft2; 16.75 times 5.8=17 times 6=102; 97.15=102
A paint store has 35 gallons of paint in storage, 2/5 of which are for outdoor use. The others are for indoor use. If each gallon costs $22, what is the total cost of the indoor paint in storage?
$462
3/11=
0.27