Open Up - Grade 7 - Mathematics - Unit 4 - Lesson 6
By Formative Library
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Last updated over 2 years ago
9 Questions
1
1.
For each diagram, decide if y is an increase or a decrease relative to x . Then determine the percent increase or decrease.
- 50% decrease
- 25% decrease
- 25% increase
- 50% increase
- Diagram A
- Diagram B
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2.
Draw diagrams to represent the following situations.
The amount of flour that the bakery used this month was a 40% increase relative to last month.
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3.
Draw diagrams to represent the following situations.
The amount of milk that the bakery used this month was a 75% decrease relative to last month.
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4.
Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.
This year, there was 40% more snow than last year.
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5.
Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.
This year, there were 25% fewer sunny days than last year.
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6.
Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.
Compared to last month, there was a 50% increase in the number of houses sold this month.
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7.
Write each percent increase or decrease as a percentage of the initial amount. The first one is done for you.
The runner’s time to complete this marathon was 10% less than the time to complete the last marathon.
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8.
The graph shows the relationship between the diameter and the circumference of a circle with the point
shown.
Find 3 more points that are on the line.
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9.
Priya bought x grams of flour. Clare bought \frac{3}{8} more than that. Select all equations that represent the relationship between the amount of flour that Priya bought, x, and the amount of flour that Clare bought, y.
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