6th Grade Math Review 1

GCF, LCM

100

The GCF of 12 and 16

4

200

LCM of 6 and 8

24

300

GCF of 12 and 30

6

400

LCM of 8 and 10

40

500

GCF and LCM of 12 and 20

GCF = 4; LCM = 60

Ratios & Rates

100

Simplify 12/20

3/5

200

If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?

$0.35

300

What is the missing number? 3/8 = 15/?

40

400

If there are a total of 21 students in Miss Cajas class, 6 are boys and 15 are girls. What is the ratio of the girls and the total amount of the students in the class? 

15:21

500

If Onichan has 10 apples and 20 mangos, what is the ratio to apples to the total amount of fruits he has? Simplify your answer. 

1:3

Order of Operations

100

10+4 x 2 -1

17

200

60÷(6+9)-3

1

300

12 ÷ 3 + [(8 + 7) x 2]

34

400

[(7 - 3) + 24 ÷ 8] x 6

42

500

[6 + ( 3 x (5 - 3)²)] ÷ 3

6

Distributive Property& Combine Like Terms

100

Solve: 5(x + 7)

5x + 35

200

Solve: 3(x + 5) + 10x

13x + 15

300

Solve: 11(5 + g) - 8g + 14h 

3g + 14h + 55

400

Solve: 2(3x + 4) + 10x + 8x 

24x + 8 

500

Solve: 5(2x + 1) + 4(y + 1) 

10x + 4y + 9

Expressions and Equations

100

Evaluate the expression if a = 2, b = 3, c = 1: 2a + 4b - 3c

13

200

Solve the Equation: If a=10 and b=3

5a + b² 

50 + 9 = 59 

300

Simplify: 3x + 2x + 5

5x + 5

400

Solve for x: 2x = 8.6

4.3

500

Solve: If a=5, b=3, c=4

a² + 13 + 4b + abc 

110