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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
< 1min

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.

Easy
2min

A physiotherapist charges $\$55$$55 per patient she treats.

Easy
2min

Homer is making cups of fruit smoothie. The amount of bananas and strawberries he uses is shown in the proportion table.

Easy
2min
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Outcomes

MGSE7.RP.2

Recognize and represent proportional relationships between quantities.

MGSE7.RP.2a

Decide whether two quantities are in a proportional relationship, e.g., by testing for equivalent ratios in a table or graphing on a coordinate plane and observing whether the graph is a straight line through the origin.

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