Unit 3 Sem A review Lesson

7 Slides • 10 Questions

1

Unit 3 Quick Review

2

Rational Vs Irrational Numbers

Rational Numbers: Integers, Fractions, Terminating Decimals, Repeating Decimal
Irrational Numbers: Nonterminating nonrepeating decimals, Some square roots

3

Multiple Select

Select the 3 Rational Numbers

1

-5

2

3.3333...

3

$\sqrt{2}$

4

$\sqrt{16}$

4

Fraction to Decimal Conversion
Divide the numerator by the denominator
Decimal To Fraction Conversion
Determine Place value of last number
the Place value is the denominator
Simplify if possilble

5

Multiple Choice

Write

\frac{2}{5}

as a decimal

1

0.4

2

0.25

6

Multiple Choice

What is 0.15 in fraction form?

1

$\frac{15}{10}$

2

$\frac{3}{20}$

3

$\frac{1}{5}$

7

Add and Subtract Fractions

Find common Denominator using LCD
Convert fraction using LCD
Add numerators
Convert to mix number or reduce if needed

8

Multiple Choice

$\frac{1}{4}+\frac{3}{8}$

Add.

1

$\frac{5}{8}$

2

$\frac{4}{12}$

3

$\frac{3}{32}$

9

Multiply and Divide Fractions

Multiply Fractions
Multiply numerators
Multiply denominators
Reduce if possible
Divide Fractions
Keep, Change, Flip

10

Multiple Choice

$\frac{3}{7}\cdot\frac{1}{6}$

1

$\frac{4}{13}$

2

$\frac{1}{14}$

3

$\frac{4}{42}$

4

$\frac{18}{7}$

11

Exponent Basics

Expanded Form
Write repeated multiplication with Exponents

12

Multiple Choice

What is $4^3$ in expanded Form?

1

$4\cdot3$

2

$4\cdot4\cdot4\cdot4$

13

Exponent Properties

Multiply Exponents
Add the exponents
Divide Exponents
Subtract the exponents
Negative and Zero Exponents
Negative exponents can be made into fractions with numerator of 1
any number with zero exponent is equal to 1

14

Multiple Choice

Simplify.

\left(x^2\right)\left(x^4\right)

1

$x^2$

2

$x^8$

3

$x^6$

15

Multiple Choice

$\frac{m^{10}}{m^7}$

Simplify

1

$m^{17}$

2

$m^3$

3

$m^{-5}$

16

Multiple Choice

$5^{-2}$

Evaluate

1

$-25$

2

$\frac{1}{25}$

3

$-10$

17

Multiple Choice

Evaluate.
$y^0$

1

0

2

1

Unit 3 Quick Review

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