Mathematics Grade 7 15 min

Rate of change

Rate of change

What you'll learn

  • Identify the rate of change (slope) from a graph, table, or equation, and express it as a ratio in at least 8 out of 10 examples.
  • Calculate the rate of change between two points on a line, given their coordinates, with 75% accuracy.
  • Explain, in writing, the meaning of the rate of change in a real-world context (e.g., speed, cost per item), using correct units, in at least 2 out of 3 scenarios.
  • Solve problems involving rate of change, including finding missing values or making predictions, with 70% accuracy.

Tutorial Preview

1

A bike travels 20 kilometers in 2 hours. What is its speed?

2

A plant is 10 cm tall on Day 5 and 16 cm tall on Day 8. Find its growth rate.

3

A freezer's temperature changes at a rate of -3 degrees/hour. What does this mean?

Sample Practice Questions

Easy
A car travels 30 miles in 3 hours. What is its average speed in miles per hour?
0.10
1.30
2.3
3.90
Easy
Leo reads 40 pages of his book in 2 hours. What is his reading rate in pages per hour?
0.20
1.40
2.2
3.80
Easy
After 2 hours, a baker has decorated 10 cakes. What is the rate in cakes per hour?
0.5
1.10
2.2
3.20

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Frequently asked questions

What grade level is "Rate of change"?

Rate of change is a Grade 7 Mathematics lesson on ExcelOS.

What will I learn in Rate of change?

You'll be able to: Identify the rate of change (slope) from a graph, table, or equation, and express it as a ratio in at least 8 out of 10 examples; Calculate the rate of change between two points on a line, given their coordinates, with 75%….

Is "Rate of change" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Rate of change?

This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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