Saxon Math 8/7 Lessons 1-72

Ratios/Rates

100

A single die is rolled. What is the probability of rolling a number greater than 4?

1/3

200

The ratio of parrots to macaws was 5 to 7. If there were 750 parrots, how many macaws were there?

1050

300

In the auditorium the ratio of boys to girls was 5 to 4. If there were 200 girls in the auditorium, how many boys were there?

250

400

If 5lbs of grapes cost $2.20, how much would 12lbs or grapes cost?

$5.28

500

If 30 bales of hay are needed to feed 70 horses, how many bales of hay are needed to feed 200 horses? (Round to the hundredths place)

85.71 bales

Area/Perimeter

100

The length of a rectangle is 17.3cm. The width is 19.2. What is the perimeter and area of the rectangle?

Perimeter: 73cm

Area: 332.16 sq cm

200

The base of a triangle is 15in. The height of a triangle is 9in. What is the area of the triangle?

67.5in

300

The measurements of a parallelogram are:

Slant: 8in

Height: 20in

Base: 12in

What is the perimeter of the parallelogram?

20in

400

The base of a parallelogram measures: 12cm, the height measures: 9cm, and the slant measures 5cm. What is the area of the parallelogram?

108 sq cm

500

What is the Circumference of a circle that has a radius of 7in. (Use 3.14 for pi)

43.96in 

Scientific Notation

100

Write in standard notation:

1.234 x 10⁸

123,400,000

200

Write in standard notation:

3.456 x 10^-5

0.00003456

300

Write in scientific notation:

4678

4.678 x 10³

400

Write in scientific notation:

.000345

3.45 x 10^-4

500

Write in scientific notation:

876 x 10^-3

8.76 x 10^-1

Decimals/Fractions/%

100

What is 85% as a reduced fraction?

17/20

200

Convert 1.5% to a decimal

0.015

300

Convert  7/25 to a decimal and percent

Decimal: 0.28

Percent: 28%

400

Convert 22.35% to a decimal

0.2235

500

What is 0.09 as a fraction and percent?

9%

9/100

Average/Integers

100

The baseball players scored: 6, 9, 10, 12, 15, and 20 home runs. What was the average number of home runs per player?

12 home runs

200

(-8)+(-3)-(-2)

-9

300

(-8)x(-3)

24

400

Sam scored an average of 82 on his first 3 tests. He scored a 77 on his next two tests. What was his average for all 5 tests?

80

500

SURPRISE QUESTION:

Write an equation for the following problem. Then balance the equation to find your answer.

What number is three-fifths of seventy-five hundredths

0.45