5. Ratio & Proportion
5.04 Identifying proportional relationships
Interactive practice questions
Look at the tables below. Determine whether each is showing a proportional relationship.
a
| $1$1 | $2$2 | $3$3 | $4$4 | $5$5 |
| $2$2 | $4$4 | $6$6 | $8$8 | $17.5$17.5 |
Proportional
A
Not proportional
B
b
| $0$0 | $0$0 |
| $1$1 | $1.5$1.5 |
| $2$2 | $3$3 |
| $3$3 | $4.5$4.5 |
| $4$4 | $6$6 |
Proportional
A
Not proportional
B
Easy
Less than a minute
During a gym session, participants can either do full push-ups (on toes) or half push-ups (on knees). However since half push-ups are easier, those who choose this option will need to do more of them. The table shows how many full and half push-ups participants had to do.
A physiotherapist charges $\$55$$55 per patient she treats.
Homer is making cups of fruit smoothie. The amount of bananas and strawberries he uses is shown in the proportion table.
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Outcomes
NY-7.RP.2
Recognize and represent proportional relationships between quantities.
NY-7.RP.2a
(a) Decide whether two quantities are in a proportional relationship.