Unit 3 Review

Exponents

100

Write using exponents

9x9

9²

200

Write using exponents

2 x 2 x 2 x 2 x 2

2⁵

300

Evaluate 3⁴

81

400

Evaluate

5² x 2

50

500

Write 64 as a power using 4 as the base

4³

GCF and LCM

100

List factors of 20 and 28. Find GCF

20: 1, 2, 4, 5, 10, 20

28: 1, 2, 4, 7, 14, 28

GCF: 4

200

List multiples of 8 and 12. Find LCM

8: 8, 16, 24, 32, 40, 48, 56

12: 12, 24, 36, 48, 60

LCM: 48

300

A classroom has 30 boys and 45 girls- what is the greatest number of equal groups?--- Find GCF

GCF is 15

400

Prime Factorization of 32

2x2x2x2x2 or 2⁵

500

Find GCF of 18 and 36

GCF is 18

Numerical/algebraic Expressions

100

Evaluate using PEMDAS: 

6(3 + 4) - 3² =

33

200

Evaluate using PEMDAS

12 x (3³+36)=

756

300

Evaluate when x = 4

12x-3²+(x-1) 

42

400

Simplify: 

5m + 4 - 3m + 6

2m+10

500

What gets wetter the more it dries?

A towel

Numerical/Algebraic Expressions

100

Write an expression: 

7 more than n

7 + n

200

Write an expression: 

 A number x divided by 4

x/4

300

Write an expression: 

Twice a number minus 5

2b - 5

400

Evaluate when x = 3: 

4x+5

17

500

Evaluate when a=5 and b=2

2a + 3b

16

Equivalent Expressions

100

Use distribution to find an equivalent expression

5(4x + 3)

20x+15

200

Use distribution to find an equivalent expression

4(8+6h)

32+24h

300

Use distribution in reverse order to find an equivalent expression

5w-15

5(w-3)

400

Simplify 

6x-2x+3+7

4x+10

500

Simplify

7(3x +1) +4x - 5

25x-2