6th Grade Math Review

Ratios

100

The amount of footballs to basketballs that I have is 7:2. Draw a diagram to represent this.

0000000 footballs and oo basketballs

200

Name an equivalent ratio to 2:3

4:6, 6:9, 8:12

300

When comparing red grapes to green grapes, there are 36 to 24. How many grapes are there?

60

400

Mrs. Thomas jumps rope for 5 minutes while Mr. Thomas goes on a run for 10 minutes. What is the ratio of Mr. Thomas' run to Mrs. Thomas' jumping rope?

10:5

500

A bag contains 5 red marbles, 6 blue marbles, 2 green marbles and 7 yellow marbles. What is the ratio of green marbles to the total amount of marbles?

2:20

Expressions

100

When a number is right next to a variable what do you do?

Multiply

200

Solve for x: 17 + x = 42

25

300

What is 3r²  when r=2

12

400

Simplify 6(2a + 8b - 9c) - 12a

48b - 54c

500

Simplify 2x + 3x² -8y -5x² +7x - 2y² +y

9x - 2x² -2y² -7y

Decimals

100

When do I need to line up my decimals?

When adding and subtracting

200

3.849 + 1.67

5.519

300

6.3 x 7.21

45.423

400

8.03 - 5.372

2.658

500

5.25 ÷  2.5

2.1

Fractions

100

When dividing fractions, what steps do we need to take?

Keep, Change, Flip

200

2/3 x 4/8 

8/24 or 1/3

300

1/2 + 3/8 

7/8

400

3/4 ÷ 2/3 

9/8

500

2 ⅓ - 1 ½

5/6

PEMDAS

100

What does PEMDAS stand for?

Parathenese, Exponents, Multiplication, Division, Adding and Subtracting

200

2 ( 6 + 3 ) 

18

300

6² -18 + (3-2)

19

400

19 - 2 x 6 + 4 ÷ 2

9

500

(5² -15)² ÷ 5 x 2³ - 6 + 3

157