Math 8A

Perfect Squares

100

√64 =

8

200

√121 =

11

300

√36 =

6

400

√16 + 2 = 

√16 + 2

8 + 2 

= 10

500

√49 + √36 =

√49 + √36 

7 + 6

= 1

Exponents

100

5²

25

200

10²

100

300

What's the exponent?

4 * 4 * 4 

4³

400

8⁴

4,096

500

What is this exponent if you stretch it out into expanded form (repeated multiplication)?

5⁴ =

5*5*5*5 

What comes first?

100

5 + 4 x 12 

4 x 12

200

12² x 4 - 3 / 6

12²

300

(4 + 3 x 2³)

2³

400

(4² - 5) + 16 

4²

500

[(4 - 3² x 12) + 24]

3²

Mixed up stuff!

100

249 + 321

570

200

3² + 4 

13

300

Solve for x:

2x + 4 = 16

x = 6

400

12.5 x 0.5 - 3.0=

3.25

500

Simplify by using the distributive property:

5(x + 3)

5x + 15