a + 28 = 45.8
a = 17.8
8k = 60
k = 7.5
5.5 x 3 1/4 (decimal answer)
17.875
(-6) + (+5) - (-7) - ( +4)
2
2 3/5 ÷ (2 1/2 x 2)
13/25
12π cm
1.256 cm
Evaluate: ab - (a - b) if a=0.7 and b. =0.5
0.35 - 0.2 = 0.15
Fraction Decimal Percent
1/4 A. B.
C. D. 16%
A. 0.25
B. 25%
C. 4/25
D. 0.16
What number is 15% of 1300?
195
Use a unit multiplier to convert 6000 g to kg.
6 kg
7.5 x 4 ¾ (as a decimal)
35.625
Diagram this statement:
Four fifths of the baker’s 60 cookies were sugar.
How many of the cookies were sugar?
What percent of the cookies were not sugar?
A. 48 cookies
B. 1/5
A cube has how many edges?
What is the volume of this cube?
1. 12 edges
2. 27 cm3
Write these numbers in scientific notation:
14 x 10-6
14 x 106
1. 1.4 x 10-5
2. 1.4 x 107
1. What is the area of the right triangle?
2. What is the area of the isosceles triangle?
Units in inches
1. 21 in2
2. 27 in2
Mr. Davis, on his bike, raced 84 miles and then slowly rode back. If the round trip took 14 hours, what was Mr. Davis’s average speed in miles per hour?
12 miles per hour
The ratio of dogs to cats in the neighborhood was 6:4. If a total of 245 dogs and cats were in the neighborhood, how many dogs were there?
147 dogs
Using a tape measure, Ms. Hill found the circumference of a tree was 1,000cm. She estimated that the diameter was 320cm. Was the estimate a little too large or too small? Why?
A little too small. The circumference is actually 1004.8
If the product of seven tenths and two tenths is subtracted from the sum of six tenths and three tenths, what is the difference?
19/25