Ratios
Write 6 girls to 8 boys as a ratio in 2 different ways.
6/8, 6 to 8, or 6:8
7:3 and ___: 12
28
Are 2/3 and 4/6 equivalent?
Yes, equivalent, 2 x 2 = 4, 3 x 2 = 6
Anna earns $12 in 3 hours. How much does she make in 1 hour?
$4
Write 10 limes to 6 lemons as a ratio in 2 ways.
10:6, 10/6, 10 to 6
72: 9 and 8: ____
1
Are 1/6 and 2/7 equivalent?
Not Equivalent
Ramon gets 10 points in 4 games. How many does he get in 8 games?
20 points
What are the 3 ways we write a ratio.
As a fraction, with a colon, and with the word "to"
8: ___ and 1 : 9
72
Are 4/7 and 36/63 equivalent?
Yes equivalent, 4 x 9 = 36, and 7 x 9 = 63
Henry reads 8 pages in 6 minutes, then he reads 40 pages in how many minutes?
30 minutes
11: ___ and 22 : 14
7
Are 14/15 and 42/45 equivalent?
Yes equivalent, 14 x 3 = 42, 15 x 3 = 45
Julia texts 60 words in 4 minutes, Tristan text 75 words per 5 minutes, who texts the fastest per minute?
Neither, they both text at the same rate.
What 2 operations can be used to find an equivalent ratio?
Multiplying and Dividing
____ : 99 and 12: 11
108
The definition of equivalent ratios
Two ratios that express the same relationship between numbers
If Curtis studies the same amount for each test, and he studies 25 hours for 2 tests. How many tests can he study for in 100 hours?
8 tests