7th Grade Quarter 2 Review

Perfect Squares

100

What is the square root of 169?

13

200

What is 4² 

16

300

Tom is in a room with an area of 289 square feet.  What is the length of one side of the room?

17

400

What is 10^-3 as a decimal?

0.001

500

What is 10^-2 as a fraction?

1/100

Like Terms

100

Simplify,

2x + 4 - 3x - 2

-x + 2

200

Compare.

2.14 x 10⁵  ___  2.47 x 10⁴

>

300

2a + 3b = 4c 

a=2

b=3

c=4

29

400

What is 10³ as a decimal?

1000

500

What is the decimal and fraction form of 10²?

100

100/1

Two Step

100

2x + 4 = 8

x = 2

200

-3x - 5 = 10

x = -5

300

-2x - 2 < 4

x > -3

400

Compare.

7/10   _____  0.07

>

500

What is 10^-4 as a decimal?

0.0001

Compare and Order

100

List in ascending order:

1/3       2.45 x 10^-1    4/5

2.45 x 10^-1

1/3

4/5

200

Put in descending order.

2.5       2/5     24%

2.5

2/5

24%

300

12 = 2(x-6)

x=12

400

A batch of cookies requires 1 1/2 cups of sugar.  How many batches can Ty make with 7 1/2 cups of sugar?

5 batches

500

A submarine was located 132 feet below sea level.  If it descends 90 feet and then ascends 26 feet, then which integer represents the new position of the submarine?

-186

Proportions

100

If 5 yards equals 15 feet, how many yards are in 63 feet?

x=21

200

If a shirt originally costs $80 and is on sale for 20% off, what is the sale price?

$64

300

A blueprint shows a room with a length of 4 inches.  If the scale factor is 1 inch = 3 feet, what is the actual length of the room in feet?

12 feet

400

A number decreased by 3 is less than 10.  What does this inequality look like?

x - 3 < 10

500

Five increased by the product of x and three is 23.

5 + 3x = 23