Ch. 5 Math Review

Ch. 5 Math Review- Post Quiz
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Slide 1: Tekstslide

In deze les zitten 40 slides, met interactieve quizzen en tekstslides.

Lesduur is: 30 min

Onderdelen in deze les

Ch. 5 Math Review- Post Quiz

Slide 1 -Tekstslide

How do you write a percent as a fraction?

Slide 2 -Open vraag

Percent to Fraction
1. Make it out of 100.
2. Simplify.

Slide 3 -Tekstslide

Write 19% as a fraction
A
19/100
B
1/19
C
1.9/100
D
190/100

Slide 4 -Quizvraag

Write 55% as a fraction
A
55/100
B
11/20
C
5.5/100
D
550/100

Slide 5 -Quizvraag

Percent to Fraction Over 100%
Simplify then Divide!
150% =

100150

Slide 6 -Tekstslide

Percent to Fraction Over 100%
Simplify then Divide!
150% =                 =

100150
÷ 10
÷ 10
1015

Slide 7 -Tekstslide

Percent to Fraction Over 100%
Simplify then Divide!
150% =                =              =

2

100150
÷ 10
÷ 10
1015
÷ 5
÷ 5
23
3.0
1. 5

Slide 8 -Tekstslide

Write 115% as a fraction
A
110015
B
2011
C
1203
D
203

Slide 9 -Quizvraag

Percent to Fraction With a Decimal
1. Rewrite as a fraction
2. Multiply it by 10, 100, or 1000
0.5%

Slide 10 -Tekstslide

Percent to Fraction With a Decimal
0.5% =

1000.5

Slide 11 -Tekstslide

Percent to Fraction With a Decimal
0.5% =

1000.5
x 10
x 10

Slide 12 -Tekstslide

Percent to Fraction With a Decimal
0.5% =              =

1000.5
x 10
x 10
10005

Slide 13 -Tekstslide

Percent to Fraction With a Decimal
0.5% =              =               =

1000.5
x 10
x 10
10005
÷ 5
÷ 5
2001

Slide 14 -Tekstslide

Write 0.4% as a fraction
A
2501
B
10004
C
5002
D
1000.4

Slide 15 -Quizvraag

Write 1.5% as a fraction
A
1001.5
B
100015
C
15
D
2003

Slide 16 -Quizvraag

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

Slide 17 -Tekstslide

Percent to Decimal
1. Turn into a fraction then SAY IT!
80% =
Say it "eighty hundredths"  0.80
10080

Slide 18 -Tekstslide

Percent to Decimal
OR Hop 2 to the left (Beyonce style)

5% as a decimal
A
0.5
B
0.05
C
0.005
D
5.0

10% as a decimal
A
0.1
B
10
C
1.0
D
0.01

Slide 21 -Quizvraag

119% as a decimal
A
11.9
B
119.0
C
1.19
D
0.119

Slide 22 -Quizvraag

Fraction to Percent
Make out of 100 OR divide and hop!

Slide 23 -Tekstslide

Fraction to Percent
Make out of 100

254

Slide 24 -Tekstslide

Fraction to Percent
Make out of 100
=

254
x 4
x 4
10016

Slide 25 -Tekstslide

Fraction to Percent
Make out of 100
=          = 16%

254
x 4
x 4
10016

as a percent
205
A
15%
B
2.5%
C
115%
D
25%

Slide 27 -Quizvraag

Fraction to Percent
OR divide and hop 2 to the right!
= 75%

43
4
3.0
0.75

as a percent
162
A
0.125%
B
12.5%
C
125%
D
1.25%

as a decimal
162
A
0.125
B
12.5
C
125.0
D
1.25

Slide 30 -Quizvraag

Percent of a Quantity
• of means multiply!
30% of 50

Slide 31 -Tekstslide

Percent of a Quantity
• of means multiply!
30% of 50

10030
x
150

Slide 32 -Tekstslide

Percent of a Quantity
• of means multiply!
30% of 50

10030
x
150
2
1
=
230
= 15

75% of 25
A
18.7
B
19
C
18.75
D
18

110% of 300
A
33
B
3.3
C
300
D
330

Slide 35 -Quizvraag

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 -Quizvraag

Jake got 75% on his dog training test. What fraction of the questions did he get right?
A
43
B
10075
C
None :(
D
100%

Slide 37 -Quizvraag

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 -Quizvraag

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 -Quizvraag

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