2 pt
-
Upload
winter-marsh -
Category
Documents
-
view
21 -
download
0
description
Transcript of 2 pt
![Page 1: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/1.jpg)
2 pt
3 pt
4 pt
5pt
1 pt
2 pt
3 pt
4 pt
5 pt
1 pt
2pt
3 pt
4pt
5 pt
1pt
2pt
3 pt
4 pt
5 pt
1 pt
2 pt
3 pt
4pt
5 pt
1pt
Ratios & Rates
Solving Proportions
Percents & Fractions
Percents &Decimals
Percent of a Number
![Page 2: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/2.jpg)
Write the following as a ratio in three different
ways:
15 peanut butter cookies in a bag of 34 cookies
![Page 3: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/3.jpg)
15 to 34
15:34
15
34
![Page 4: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/4.jpg)
Express the ratio as a fraction in simplest
form:
10 emeralds out of 25 gems
![Page 5: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/5.jpg)
10 2
25 5
![Page 6: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/6.jpg)
Express the ratio as a fraction in simplest
form:
16 states visited out of 50 states
![Page 7: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/7.jpg)
16 8
50 25
![Page 8: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/8.jpg)
Express the ratio as a rate:
79.8 miles on 3 gallons of gas
![Page 9: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/9.jpg)
79.8 26.6
3 1
26.6 miles per gallon
![Page 10: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/10.jpg)
Express the ratio ten oranges for two dollars as a rate.
![Page 11: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/11.jpg)
5 oranges per dollar
10 5
2 1
![Page 12: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/12.jpg)
Fill-in the Blank:
The cross products of a proportion are ______.
![Page 13: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/13.jpg)
EQUAL
![Page 14: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/14.jpg)
Use cross products to determine whether the pair
of ratios forms a proportion:
7 8,
12 15
![Page 15: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/15.jpg)
7 x 15 = 105
8 x 12 = 96
105 doesn’t equal 96 therefore the ratios
don’t form a proportion
![Page 16: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/16.jpg)
Solve the proportion:
24
5 40
d
![Page 17: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/17.jpg)
5 x 24 = 120
40d= 120
d=3
![Page 18: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/18.jpg)
Solve the proportion:
3
5 85
c
![Page 19: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/19.jpg)
3 x 85 = 255
5c = 255
c = 51
![Page 20: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/20.jpg)
Suppose Maria can read 15 pages in 20
minutes. How long will it take Maria to read
180 pages?
![Page 21: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/21.jpg)
20 x 180 = 3600
3600 ÷ 15 = 240 mins.
t = 240 mins
15 180
20 t
![Page 22: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/22.jpg)
Fill-in the Blank:
A percent is a ratio that compares a number to ___.
![Page 23: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/23.jpg)
100
![Page 24: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/24.jpg)
Express the percent as a fraction in simplest
form.
55%
![Page 25: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/25.jpg)
55 11
100 20
![Page 26: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/26.jpg)
According to a survey, 36% of consumers prefer to buy a personal computer at an
electronic store. What fraction does this
represent?
![Page 27: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/27.jpg)
36 9
100 25
![Page 28: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/28.jpg)
Express the fraction as a percent:
17
20
![Page 29: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/29.jpg)
8585%
100
![Page 30: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/30.jpg)
How is forty-five hundredths written as a
percent?
![Page 31: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/31.jpg)
4545%
100
![Page 32: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/32.jpg)
Express the percent as a decimal:
81%
![Page 33: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/33.jpg)
0.81
![Page 34: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/34.jpg)
Express the percent as a
decimal:
46%
![Page 35: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/35.jpg)
0.46
![Page 36: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/36.jpg)
Express the percent as a decimal:
0.8%
![Page 37: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/37.jpg)
0.008
![Page 38: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/38.jpg)
Express each decimal as a percent:
0.175
![Page 39: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/39.jpg)
17.5%
![Page 40: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/40.jpg)
How is eighteen thousandths written
as a percent?
![Page 41: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/41.jpg)
0.018 = 1.8%
![Page 42: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/42.jpg)
The word of in the following problem tells
you to use which operation?
Find 24% of 250.
![Page 43: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/43.jpg)
MULTIPLICATION
![Page 44: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/44.jpg)
Find 100% of 137.
![Page 45: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/45.jpg)
137
![Page 46: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/46.jpg)
What is 60% of 365?
![Page 47: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/47.jpg)
0.6 x 365 = 219
![Page 48: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/48.jpg)
What is eight-tenths percent of eight
hundred?
![Page 49: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/49.jpg)
0.8% of 800
0.008 x 800 = 6.4
![Page 50: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/50.jpg)
The Fitch High School softball team won 88% of their games. If they played 25 games, how many games did they
win?
![Page 51: 2 pt](https://reader035.fdocuments.us/reader035/viewer/2022062517/56813125550346895d9796e1/html5/thumbnails/51.jpg)
88% of 25
0.88 x 25 = 22 games