Mathematics
Grade 9
15 min
Percent of change
Percent of change
What you'll learn
- Identify the larger or smaller number when given two numbers up to 100, at least 8 out of 10 times.
- Compare two numbers up to 100 using the terms 'greater than,' 'less than,' or 'equal to' in at least 3 out of 4 examples.
- Use the symbols >,
Tutorial Preview
1
A price increases from $40 to $50. What is the percent increase?
2
A shirt's price drops from $25 to $20. What is the percent decrease?
3
A video game costs $60. It is on sale for 15% off. What is the new price?
Sample Practice Questions
Easy
A class size grew from 10 to 12 students. What is the percent increase?
0.12%
1.20%
2.2%
3.1.2%
Easy
A phone's battery dropped from 20% to 18%. What was the percent decrease?
0.2%
1.5%
2.10%
3.20%
Easy
A plant grew from 50cm to 75cm. What was the percent increase?
0.25%
1.33%
2.50%
3.75%
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Frequently asked questions
What grade level is "Percent of change"?
Percent of change is a Grade 9 Mathematics lesson on ExcelOS.
What will I learn in Percent of change?
You'll be able to: Identify the larger or smaller number when given two numbers up to 100, at least 8 out of 10 times; Compare two numbers up to 100 using the terms 'greater than,' 'less than,' or 'equal to' in at least 3 out of 4 examples; Use….
Is "Percent 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 Percent of change?
This lesson includes 25 practice questions across multiple difficulty levels, each with instant feedback and explanations.