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Ch. 5 Math Review

Ch. 5 Math Review- Post Quiz

1 / 40

Slide 1: Slide

Math6th Grade

This lesson contains 40 slides, with interactive quizzes and text slides.

Lesson duration is: 30 min

Items in this lesson

Ch. 5 Math Review- Post Quiz

Slide 1 - Slide

How do you write a percent as a fraction?

Slide 2 - Open question

Percent to Fraction

1. Make it out of 100.

2. Simplify.

Slide 3 - Slide

Write 19% as a fraction

A

19/100

B

1/19

C

1.9/100

D

190/100

Slide 4 - Quiz

Write 55% as a fraction

A

55/100

B

11/20

C

5.5/100

D

550/100

Slide 5 - Quiz

Percent to Fraction Over 100%

Simplify then Divide!

150% =

\frac{​ 1 5 0 ​ ​}{​ 1 0 0 ​}

Slide 6 - Slide

Percent to Fraction Over 100%

Simplify then Divide!

150% = =

\frac{​ 1 5 0 ​ ​}{​ 1 0 0 ​}

÷ 10

÷ 10

\frac{​ 1 5 ​ ​}{​ 1 0 ​}

Slide 7 - Slide

Percent to Fraction Over 100%

Simplify then Divide!

150% = = =

2

\frac{​ 1 5 0 ​ ​}{​ 1 0 0 ​}

÷ 10

÷ 10

\frac{​ 1 5 ​ ​}{​ 1 0 ​}

÷ 5

÷ 5

\frac{​ 3 ​ ​}{​ 2 ​}

3.0

1. 5

Slide 8 - Slide

Write 115% as a fraction

A

1 \frac{​ 1 5 ​ ​}{​ 1 0 0 ​}

B

\frac{​ 1 1 ​ ​}{​ 2 0 ​}

C

1 \frac{​ 3 ​ ​}{​ 2 0 ​}

D

\frac{​ 3 ​ ​}{​ 2 0 ​}

Slide 9 - Quiz

Percent to Fraction With a Decimal

1. Rewrite as a fraction

2. Multiply it by 10, 100, or 1000

0.5%

Slide 10 - Slide

Percent to Fraction With a Decimal

0.5% =

\frac{​ 0 . 5 ​ ​}{​ 1 0 0 ​}

Slide 11 - Slide

Percent to Fraction With a Decimal

0.5% =

\frac{​ 0 . 5 ​ ​}{​ 1 0 0 ​}

x 10

x 10

Slide 12 - Slide

Percent to Fraction With a Decimal

0.5% = =

\frac{​ 0 . 5 ​ ​}{​ 1 0 0 ​}

x 10

x 10

\frac{​ 5 ​ ​}{​ 1 0 0 0 ​}

Slide 13 - Slide

Percent to Fraction With a Decimal

0.5% = = =

\frac{​ 0 . 5 ​ ​}{​ 1 0 0 ​}

x 10

x 10

\frac{​ 5 ​ ​}{​ 1 0 0 0 ​}

÷ 5

÷ 5

\frac{​ 1 ​ ​}{​ 2 0 0 ​}

Slide 14 - Slide

Write 0.4% as a fraction

A

\frac{​ 1 ​ ​}{​ 2 5 0 ​}

B

\frac{​ 4 ​ ​}{​ 1 0 0 0 ​}

C

\frac{​ 2 ​ ​}{​ 5 0 0 ​}

D

\frac{​ 0 . 4 ​ ​}{​ 1 0 0 ​}

Slide 15 - Quiz

Write 1.5% as a fraction

A

\frac{​ 1 . 5 ​ ​}{​ 1 0 0 ​}

B

\frac{​ 1 5 ​ ​}{​ 1 0 0 0 ​}

C

15

D

\frac{​ 3 ​ ​}{​ 2 0 0 ​}

Slide 16 - Quiz

Percent to Decimal

1. Turn into a fraction then SAY IT! 2. OR Hop 2 to the left (Beyonce style)

Slide 17 - Slide

Percent to Decimal

1. Turn into a fraction then SAY IT!

80% =

Say it "eighty hundredths" 0.80

\frac{​ 8 0 ​ ​}{​ 1 0 0 ​}

Slide 18 - Slide

Percent to Decimal

OR Hop 2 to the left (Beyonce style)

Slide 19 - Slide

5% as a decimal

A

0.5

B

0.05

C

0.005

D

5.0

Slide 20 - Quiz

10% as a decimal

A

0.1

B

10

C

1.0

D

0.01

Slide 21 - Quiz

119% as a decimal

A

11.9

B

119.0

C

1.19

D

0.119

Slide 22 - Quiz

Fraction to Percent

Make out of 100 OR divide and hop!

Slide 23 - Slide

Fraction to Percent

Make out of 100

\frac{​ 4 ​ ​}{​ 2 5 ​}

Slide 24 - Slide

Fraction to Percent

Make out of 100

=

\frac{​ 4 ​ ​}{​ 2 5 ​}

x 4

x 4

\frac{​ 1 6 ​ ​}{​ 1 0 0 ​}

Slide 25 - Slide

Fraction to Percent

Make out of 100

= = 16%

\frac{​ 4 ​ ​}{​ 2 5 ​}

x 4

x 4

\frac{​ 1 6 ​ ​}{​ 1 0 0 ​}

Slide 26 - Slide

as a percent

\frac{​ 5 ​ ​}{​ 2 0 ​}

A

15%

B

2.5%

C

115%

D

25%

Slide 27 - Quiz

Fraction to Percent

OR divide and hop 2 to the right!

= 75%

\frac{​ 3 ​ ​}{​ 4 ​}

4

3.0

0.75

Slide 28 - Slide

as a percent

\frac{​ 2 ​ ​}{​ 1 6 ​}

A

0.125%

B

12.5%

C

125%

D

1.25%

Slide 29 - Quiz

as a decimal

\frac{​ 2 ​ ​}{​ 1 6 ​}

A

0.125

B

12.5

C

125.0

D

1.25

Slide 30 - Quiz

Percent of a Quantity

of means multiply!

30% of 50

Slide 31 - Slide

Percent of a Quantity

of means multiply!

30% of 50

\frac{​ 3 0 ​ ​}{​ 1 0 0 ​}

x

\frac{​ 5 0 ​ ​}{​ 1 ​}

Slide 32 - Slide

Percent of a Quantity

of means multiply!

30% of 50

\frac{​ 3 0 ​ ​}{​ 1 0 0 ​}

x

\frac{​ 5 0 ​ ​}{​ 1 ​}

2

1

=

\frac{​ 3 0 ​ ​}{​ 2 ​}

= 15

Slide 33 - Slide

75% of 25

A

18.7

B

19

C

18.75

D

18

Slide 34 - Quiz

110% of 300

A

33

B

3.3

C

300

D

330

Slide 35 - Quiz

A bag contains blue and green marbles. 15/20 of the marbles are blue, what percentage of the marbles are green?

A

75%

B

25%

C

5%

D

15%

Slide 36 - Quiz

Jake got 75% on his dog training test. What fraction of the questions did he get right?

A

\frac{​ 3 ​ ​}{​ 4 ​}

B

\frac{​ 7 5 ​ ​}{​ 1 0 0 ​}

C

None :(

D

100%

Slide 37 - Quiz

⅚ of all students have watched Spongebob. About what percentage of students have seen Spongebob?

A

0.83%

B

8.3%

C

83%

D

90%

Slide 38 - Quiz

⅚ of all students have watched Spongebob. What percentage have not seen Spongebob?

A

16.67%

B

15%

C

1.6%

D

20%

Slide 39 - Quiz

Eli correctly answered 85% of the 60 problems on his math test. How many questions did he answer correctly?

A

85 problems

B

51 problems

C

15 problems

D

50 problems

Slide 40 - Quiz

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