Math Review Lessons 1-28

Vocabulary

100

What are Prime Numbers?

Numbers that have only 2 factors 1 and itself.

200

What does GCF mean?

Greatest Common factor.

300

What is the Pythagorean Theorem Formula?

a²+b² =c²

400

Name the polygon that has 9 sides.

Nonagon

500

Define a scalene triangle.

A triangle that has all sides of different measures and angles of different measures.

Exponents

100

a² x a³ =

a⁵

200

(2²)² =

2⁴

300

x⁴ times x⁵

x⁹

400

c⁴ d/ c³ = 

c

500

x⁴b³ / xb² =

x³b

Order of Operations

100

What is the correct order for order of operations?

Parenthesis

Exponents

multiply/divide

add/subtract

200

42 + 12 / -2

36

300

(-8)(-5) + 18/2 +3=

-28

400

(-3)² + (-8) /-2

13

500

20-2 x 3² + (7+8) / 5

5

Fractions

100

1/2 + 2/2

1 1/2

200

2/3 + 3/4=

17/12

300

1/5 + 3/5 x 4/6=

3/5

400

(2/3)(2/3) + 1/8=

25/72

500

3/7 + 2/14 + 1/2 

1 1/14

Scientific Notation

100

What is 1300 in scientific notation?

1.3 x 10³

200

What is 230,000 in scientific notation?

2.3 x 10⁵

300

What is 3.0 x 10⁸ in standard form?

300,000,000

400

What is 93, 000,000,000 in scientific notation?

9.3 x 10¹⁰

500

What is 804,000,000 in scientific notation?

8.04 x 10⁸