Math review 1.1-1.6

Math review 1.1-1.6

by Steve Garces

​Natural and Whole Numbers

​Natural numbers are numbers in which you can count easily

​

​Whole numbers are numbers in which are not a part of a whole, includes 0

Multiple Choice

1,2,3,4,5,6...

What types of numbers are these?

• Natural

• Whole

Multiple Choice

0,1,2,3,4,5,6...

What type of numbers are these?

• Whole

• Natural

​Integers and Rational Numbers

​Integers are numbers that include negative and positive numbers.

​

​Rational numbers are numbers that are part of a whole like percents, decimals, and fractions

Multiple Choice

-3, -2, -1, 0, 1, 2 , 3

These numbers are

• Integers

• Rational

Multiple Choice

-1, -0.3, 0, 1/2, 2, 3.1, 4%

These numbers are

• Integers

• Rational

​Data sets

​Mean: Add up all of the numbers and divide by the total

​

​Median: The middle number

​

​Mode: Most repeated number

​

​Range: Biggest number - smallest number

Multiple Choice

[8,9,0,3,0]

What is the Mean and the Median of this number set?

• Mean: 3

  Median, 0

• Mean: 0

  Median, 5

• Mean: 8

  Median: 0

• Mean: 4

  Median: 0

Multiple Choice

[9,8,20,4,9,4,5,4]

What is the Mode and the Range of this number set?

• Mode: 9

  Range: 4

• Mode: 4

  Range: 16

• Mode: 4

  Range: 4

• Mode: 9

  Range: 6

​Expressions with Grouping symbols

Multiple Choice

Evaluate the expression.

5 × [ (7 − 4) + (3 × 5) ]

• 18

• 36

• 46

• 90

Multiple Choice

Evaluate the expression.

{ [ (2 + 6 )× 5] + [ (8 ×5) − 12] } ÷ 4

• 15

• 17

• 61

• 68

​Expressions with Exponents and Radicals

​Exponents and radicals go 4th

​

​Exponents: The base number being multiplied by itself the exponents base times

​

​Roots or Radicals: The two same numbers that are multiplied to get the answer

Multiple Choice

Solve: (2 + 7 - 1) ÷ 2²

• 16
• 2
• 7

• 8

Multiple Choice

3 + [6² + $$\sqrt[2]{81}$$  – (6 ÷ 3)]

• 40

• 42

• 48

• 46

​Scientific Notations and Factorials

​Scientific Notation is a decimal or number being multiplied by a power of ten to be simplified

​

​Factorials are a function of a number being multiplied by the last number in a sequence

Multiple Choice

Convert to scientific notation:

520,000,000

• 52 x 10⁷

• 5.2 x 10⁷

• 5.2 x 10⁸

• 0.52 x 10⁹

Multiple Choice

4! =

• 24
• 10
• 256
• 4

Draw

Are you ready for the test?