Grade 6 Review Work 11-13

Ratios

100

There are 5 tulips and 7 daffodils in a flower bed. How many daffodils if there are 15 tulips?

21 daffodils

200

Tim runs 9 miles in 3 hours. How many hours would it take to run 21 miles?

7 hours

300

6 hats cost $13.50. How much for 1?

$2.25 for 1

400

For every 5 minutes that Scarlett plays on the computer, she plays outside for 12 minutes. What is the ratio of minutes Scarlett plays on the computer to minutes she plays outside?

5:12

Number Sense

100

Solve.

 14 - 6² ÷ 12 ∙ 7 - 30

-37

200

Solve.

 0.5(8)² + 36 ÷ 9 - 1

35

300

Solve.

(7² - 2⁶) - 16 ÷ (4³ ÷ 2⁴)

-19

400

4² x 4⁵ x 4^-7

4⁰ or 1

Expressions

100

Which math expression means "45 more than an unknown number"?

x + 45

200

Nine less than a number

x - 9 or n - 9

300

Which math expression means "the product of 42 and 15"?

42 • 15

400

Sienna's height is 5 inches less than her brother's height. Her brother's height is unknown.

Which expression shows Sienna's height? Use x for her brother's height.

x – 5

Evaluating Expressions

100

Evaluate (14+x) ÷ 2 when x=4.

9

200

Evaluate (18+x) ÷ 3 when x=6.

8

300

Evaluate (x+2)² − 5 when x=3.

20

400

Solve  4b - 3^b - b^b , when b = 2

-5

Two step Equations

100

Solve.  3x - 8 = 19

9

200

Solve.  2(14x - 7) = 70

x = 3

300

Solve.  3x + 12 - x - 8 = 30

x = 13

400

3(5x - 7) + 2(2x + 3) = -53

x = -2