Fractions and Percents
A recipe uses 2/8 of a cup of oil. Write this fraction in simplest form.
1/4
Find the circumference of a circle with diameter 12 cm. Use 3.14 for π.
37.68 cm
A class has 12 girls and 8 boys. What is the ratio of girls to boys in simplest form?
3:2
What point is 4 units right and 2 units up from the origin?
(4, 2)
Add: 2 1/3 + 1 1/3
3 2/3
Write 7/10 as a decimal and as a percent.
0.7 and 70%
Find the area of a parallelogram with base 9 m and height 4 m.
36 square meters
Write the ratio 15 to 20 in simplest form.
3:4
Three corners of a rectangle are (1, 5), (6, 5), and (1, 2). What is the fourth vertex?
(6, 2)
Subtract: 5 1/4 – 2 3/4
2 1/2
Find 40% of 90.
36
Find the area of a triangle with base 14 in. and height 5 in.
35 square inches
Solve the proportion: 4/7 = n/21
12
Solve: 6n = 2.4
0.4
Divide: 3 1/2 ÷ 7
1/2
There are 3 equal groups. Each group has 2/3 of a pound of clay. How much clay is there in all?
2 pounds
A box is 8 ft long, 2 ft wide, and 3 ft high. What is its volume?
48 cubic feet
A zoo has 18 monkeys and 6 lions. What is the ratio of monkeys to lions?
3:1
Solve: 8n = 3.2
n = 0.4
Simplify using order of operations: 5 + 3 × 4
17
Multiply and simplify: 4/9 × 3/8
1/6
Find the difference in inches: 5 ft – 9 in.
51 inches
Solve: x/9 = 14/18
x = 7
A point has x-coordinate –3 and y-coordinate 4. In which quadrant is it?
Quadrant II
Simplify: 18 – (6 + 2) ÷ 4
16