Math Review

Number Theory

100

What is the square root of 121?

11

200

What are the factors of 60?

1,2,3,4,5,6,10,12,15,20,30,60

300

What is the GCF of 60 and 105?

15

400

Do a prime factorization of 360

2³x3²x5

500

What is the LCM of 75 and 175?

525

Geometry

100

The angles in a triangle add up to ____ degrees.

180

200

What is the surface area of a cube with a side length of 2 cm?

24cm²

300

What are the six words we use to describe a triangle? Explain all of them briefly.

Right, Obtuse, Acute

Scalene, Equilateral, Isosceles 

400

Find the area of a triangle with a base of 6cm and height of 6.6cm.

19.8cm²

500

Find the area of a trapezoid with bases 14.6cm and 22.4cm, height 14cm.

259cm²

Fractions

100

What is 42/55 x 30/14

1 7/11

200

Turn 125/10 into a mixed number.

12 1/2

300

Name a fraction between 8/15 and 7/12.

answers will vary

400

Turn 5/33 into a decimal.

.15...

500

Turn 5(3/8)% into a fraction.

43/800

Statistics

100

Find the mode of 1, 2, 3, 2, 2, 1, 2, 5, 6, 7, 1, 2

2

200

Find the median of 40, 42, 45, 47, 49, 50, 51, 53

48

300

Find the mean of 20, 37, 104, 98, 1, 7.

53.4

400

Find the median of 190, 18, 47, 29, 82, 50, 10, 37, 58, 15, 101.

47

500

Find the MAD of the following: 25, 37, 11, 23, 30

6.64

Equations

100

w + 107 = 35

w = -72

200

t * -5 = -15/10

t = 3/10

300

2x + -2 = -6

-2

400

(9/15)*x - 43 = 74

195

500

(2/3)*y + -3 = 1 + y

12