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

Find GCF of 20 & 28

GCF: 4

200

Find LCM of 8 and 12

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

Evaluate 5z + 3n - z³, for z=1 & n=7

25

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 b 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

Write an equivalent expression for 5w-15, using the Distributive Property. (think - factoring out a common factor)

5(w-3)

400

Simplify 

6x-2x+3+7

4x+10

500

Simplify

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

25x-2