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Still Confused?

Try reviewing these fundamentals first

Still Confused?

Try reviewing these fundamentals first

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Get Started NowStart now and get better maths marks!

Get Started NowStart now and get better maths marks!

Get Started Now- Lesson: 12:06
- Lesson: 2a3:04
- Lesson: 2b3:09
- Lesson: 34:00

Knowing how to add and multiply percentages is very useful in our daily life. Do you know how much sales tax you are going to pay for your new purchases? What is the sale price after discount? How do banks calculate interest? We will learn more in this section.

Related Concepts: Comparing and ordering rational numbers, Solving problems with rational numbers in decimal form, Solving problems with rational numbers in fraction form

- 1.One video game is $25 before 12% sales tax. How much is 4 video games after tax?
- 2.When Kim was in grade 5, she was 130 cm tall. In grade 6, she was 20% taller than last year. In grade 7, her height has increased by 15%.a)How tall was Kim when she was in grade 7?b)Did Kim's height increase by 35% from grade 5 to grade 7? Explain.
- 3.A bank pays a compound interest of 5% to any account with $10000 annually. How much will be there in an account with $10000 after 3 years?

We have over 1350 practice questions in NZ Year 9 Maths for you to master.

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