Math Review

Algebra

100

5x+3=18

What is x?

x=3

200

2x²-4x

x=5

Evaluate the expression

30

300

3(x-2)+4x

Simplify the expression

7x-6

400

3(x-2)+4x

x=3

Evaluate the expression

15

500

A number multiplied by 3, then decreased by 5, equals 16. What is the number?

**Hint, write this out as an equation FIRST.

What is 7

Number and operations

100

What is the GCF of 24 and 36?

12

200

Write 3/10 as a percent?

Remember per/cent means part of a hundred..

30%

300

What is 0.25x.04?

0.10

400

You have 5/6 of a pie. You eat 1/4 of the pie. How much is left?

7/12

500

A jacket costs $48 and is on sale for 25% off. What is the sale price?

$36

Data and analysis

100

What is the median of 2,5,7,8,12?

7

200

What is the mean of 30,32, and 36?

*Round to the nearest tenth

32.7

300

What is the mode of 6,7,8,6,9,10,6

6

400

A student has the following test scores: 85,90,75,80, and 100. What is the range of scores?

25

500

If the average of 4 numbers is 23, what is their total sum?

92

Geometry

100

How many degrees are in a right angle?

90

200

What is the area of a square with side length of 11cm?

121cm²

300

Find the volume of a box with the length of 5cm, width of 3cm and a height of 4cm. 

60cm³

400

What type of triangle has all sides the same length?

equilateral triangle

500

A triangle has a base of 12m and an area of 96m². What is the height?

**Hint** Write out the equation first.

What is 18m

Final Jeopardy

500

You are saving money to buy a game that costs $60. You save $8 per week. After 3 weeks, you also get $10 from a birthday card. How many total weeks will it take you to have enough money to buy the game?

What is 6 weeks