Review Time

Perfect Squares

100

What is the square root of 64?

8

200

Is 26 a perfect square? How do you know?

No, 26 doesn't have four equal sides.

300

What is 11²?

121

400

What is the square root of 256?

16

500

Square root and perfect square are both considered____

integers

Powers of 10

100

What is 10⁰?

1

200

What is 100?

10²

300

What is 10^-2?

0.01 and 1/100

400

What does the exponent tell you?

Multiply the base

500

What is 10^-3?

0.001 or 1/1,000

Scientific Notation

100

What is 2.5 x 10^-5 in standard form?

0.000025

200

What is 5600 in scientific notation?

5.6 x 10³

300

What is 6.7 x 10⁵

670,000

400

What does the exponent tell you?

How many times to move the decimal point.

500

What is 0.0000068 in scientific notation?

6.8 x 10^-6

Algebraic Expressions

100

2x+3=13

x=5

200

x/3 +5=20

x=45

300

x/10 -2=10

x=120

400

5x+20=65

x=9

500

3(x+2)=24

x=6

Word Problems

100

A movie theater charges $8 per ticket plus a $4 online booking fee. The total cost is $36. Write the equation.

8x+4=36

200

A gym charges a $15 sign-up fee plus $10 per month. The total cost was $75. For how many months did someone pay?

10x+15=75

300

Three times Noah's age minus 2 equals 34. How old is Noah?

3x-2=34

400

An arcade card costs $5 to activate, plus $2 per game. If the total cost is $23, how many games were played?

2x+5=23

500

A class already raised $18. Students raise $6 each through a fundraiser. If they have $72 total, how many students participated?

6x+18=72