Math 7 Review

Numbers & Patterns

100

What are the next three numbers in the pattern? What is the pattern? 7, 10, 13, 16, ......

19, 22, 25 add 3

200

What are the next three numbers? 1, 3, 6, 10, 15, ......

21, 28, 36

300

What is the missing number in the pattern? 2, 4, 8, ____, 32, 64, 128

16

400

What is the missing number in the pattern? 81, _____, 59, 48, 37, 26, 15

70

500

What is the missing number in the pattern? 8, 15, 22, ____, 36

29

Exponents

100

Find the value of 8⁴

4,096

200

The square root of 324.

18

300

What does 3⁵ mean?

3 multiplied by itself 5 times

400

What is 4x4x4x4x4 in exponential form?

4^5 (4 to the 5th power)

500

What does the exponent tell you?

How many times the base is used as a factor

Scientific Notation

100

Write 36,000,000,000 in scientific notation

3.6 x 10¹⁰

200

The sun is 93 million miles from Earth. Write this number in scientific notation

9.3 x 10⁷

300

Write 4.56 x 10⁷ in standard form.

45,600,000

400

Write 6,445,000,000 in scientific notation.

6.445 x 10⁹

500

Describe what the two factors need to be for scientific notation.

One must be a factor greater than 1 but less than 10, and the other is a power of 10.

Order of Operations

100

Evaluate 4+3x12/2 / mean divide

22

200

Evaluate 5^2-3x5+4/2 ^means exponent /means divide

12

300

Evaluate 8-14/(9-2) / mean divide

6

400

Evaluate 54-6x3+4^2 ^means exponent

52

500

Simplify 6^2x(-10)/-4 ^means exponent /means divide

90

Algebraic Expressions

100

Evaluate the expression a-b for a=(-15) and b=6

-21

200

Evaluate the expression 4a+6b+7 for a=2 and b=3

33

300

Evaluate the expression 7y^2+7y for y=3

84

400

Evaluate the expression 7(x+4) for x=5

63

500

Evaluate the expression 11-n/3 for n=6

9