6th Grade Semester 1 Review

Rounding

100

Round 83 to the nearest 10

80

200

Round 955 to the nearest 10

960

300

Round 459.9 to the nearest whole number

460

400

Round 456,789 to the nearest hundred

456,800

500

Round 923,235.2999 to the nearest hundredth

923,235.3

Exponents

100

What is 3² ?

3x3 or 9

200

What does the 7 in 3⁷ mean?

You multiply 3 by itself 7 times

300

What is 2³ ?

2x2x2 or 8

400

What is 3⁴?

3x3x3x3 = 81

500

What is 2⁵ ?

2x2x2x2x2 = 32

PEMDAS

100

what is 1 + 2 x 3? 

7

200

What is 3+5²

28

300

What is (8-2) x (3+2) ?

30

400

What is (2 + 2 x 5) - (4 - 3)

11

500

What is 2 x (9-1)² ?

128

Negative Numbers, Absolute Value, & Coordinates

100

What is │-3│ ?

3

200

What is │4│ ?

4

300

Which is true of the following?

-3 < -2

-3 > -2

-3 = -2

-3 < -2

400

If you were given the coordinates (5 , -6) what directions would you go from the origin?

Right 5 and down 6

500

If you were given the coordinates (-3 , 4) what directions would you go from the origin? 

left 3 and up 4.

Ratios

100

if I have 5 dogs and 10 cats, what is the ratio of dogs to cats?

5:10

200

if I have 5 dogs and 10 cats, what is the ratio of dogs to all pets?

5:15

300

Is 6:4 equivalent to 3:2?

Yes

400

Give two equivalent ratios for 7:3

14:6
21:9

etc.

500

Draw a double numberline and use it find three equivalent ratios for 8:3

two parallel number lines shown: one that goes up by 8 and one that goes up by 3.

16:6

24:9

32:12

etc