Multiplying Decimals
Dividing Decimals
Ratios
Tape Diagrams
100
Place the decimal in the answer
2 2.365 * 9.3 = 219945
21.9945
100
4.8 / 1.2
4
100
Does the order of a ratio matter? Yes or no.
Example: 3:5 and 5:3
Yes, the order does matter
100
Draw a tape diagram for a 3:4 ratio
Should have 3 boxes and 4 boxes
200
3 * 0.5
1.5
200
6.3 / 3
2.1
200
A zoo has 9 lions, 10 monkeys, and 21 giraffes. What is the ratio of lions to giraffes?
9:21 or 9 to 21
200
The tape diagram shows the ratio of kids to adults at a movie. If 64 kids went, how many adults were there?
8 adults
300
2.4 * 0.3
0.72
300
0.81 / 0.09
9
300
A zoo has 9 lions, 10 monkeys, and 21 giraffes. What is the ratio of monkeys to total animals?
10:40 or 10 to 40
300
Timmy is practicing the Piano and the trumpet. The tape diagram shows the ratio of time practicing each instrument. If he practiced the piano for 5 hours, how much time did he practice the trumpet?
3 hours
400
3.75 * 2.6
9.75
400
15.75/0.25
63
400
Are the 2 ratios equivalent?
16:28 and 4:7
Yes
400
The tape diagram shows the ratio of glass to plastic bottles. If there are 40 bottles in total, how many glass and plastic ones are there?
15 glass and 25 plastic
500
Carrots cost $4.25 a pound. You but 6.4 pounds. How much money did you spend?
$27.20
500
8.64/1.44
6
500
The ratio of hamburgers to hotdogs at a BBQ is 4:9. If there are 12 hamburgers, how many hot dogs are there?
36
500
Bob is playing basketball. The tape diagram shows the ratio of shots made to shots missed. If Bob made 100 shots, how many did he miss?
250