Ratios
What are the 3 ways to write a ratio?
Number to Number
Number:Number
Number/Number
Every percentage is out of what number?
100
517.74 + 312.03
829.77
120/40
120/40= 3
Please Name the Order of Operations
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
Name 3 ratios that are equivalent to the following:
8:12
2:3
4:6
16:24
24:36
32:48
If 89% of the class passed the last Math test, what percentage of students failed? Write your answer as a percentage AND a decimal.
11%
0.11
381.1 - 214.83
166.27
3,312/32
103.5
x + 45 = 97
Solve for x
x = 52
Complete the Following Ratios:
2:350
4:700
6:1,050
8:?
10:?
8:1,400
10:1,750
What is 0.15 as a percentage?
0.15 * 100 = 15%
3/4 * 1/8
3/32
1,184/6.4
185
x - 19 = 40
Solve for x
x = 59
Find the Unit Rate:
Jerry is driving at a rate of 150 miles for every 3 hours. How far can he drive in 1 hour? Make sure to include the correct units!
150/3= 50 Miles per Hour
What is 47% as a decimal?
47/100= 0.47
3/4 / 2/3 = ?
9/8 = 1 1/2
Find the LCM of 12 and 9
12: 12, 24, 36
9: 9, 18, 27, 36
36
4x + 9 = 57
Solve for x
x = 57
A father and his young toddler are walking along the sidewalk. For every 3 steps the father takes, the son takes 5 steps just to keep up.
What is the ratio of the number of steps the father takes to the number of steps the son takes? Add equivalent ratios to build a ratio table showing all the possible ratios up to if the Father takes 30 Steps.
Ratio: 5:3
Father:Son
5:3
10:6
15:9
20:12
25:15
30:18
What is 1/8 as a percentage?
1/8 = 0.125
0.125 * 100 = 12.5%
DAILY DOUBLE! This Question is Worth 1,000 Points!
Peter is serving ice cream with birthday cake at his party. He purchased 19 1/2 pints of ice cream. He will serve 3/4 of a pint to each guest. If he invited 24 people, will he have enough ice cream?
19 1/2 / 3/4 = 39/2 / 4/3 = 26
Yes, he can serve 26 people, so he will have enough.
Find the GCF of 36 & 24
24: 1, 2, 3, 4, 6, 8, 12, 24
36: 1, 2, 3, 4, 6, 9, 12, 18, 36
12
Final Jeopardy!
Solve for x
3 (5x + 8) + (22) - 10 ( 0.5 - x ) = 48
x = 5