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Power Play

Exercises on powers and roots and simplifying index expressions involving numbers of the same base.
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No calculator

This is level 1: the basics involving squares, cubes, square roots, cube roots etc.. You will be awarded a trophy if you get at least 9 answers correct and you do this activity online.

Give each answer as a whole number.

1

$$3^2$$

☐= ☐ ✓ ✗

2

$$14^2$$

☐= ☐ ✓ ✗

3

$$2^3$$

☐= ☐ ✓ ✗

4

$$0^3$$

☐= ☐ ✓ ✗

5

$$8^0$$

☐= ☐ ✓ ✗

6

$$\sqrt{49}$$

☐= ☐ ✓ ✗

7

$$\sqrt[3]{1}$$

☐= ☐ ✓ ✗

8

$$\sqrt[3]{125}$$

☐= ☐ ✓ ✗

9

$$211^1$$

☐= ☐ ✓ ✗

10

$$4^3$$

☐= ☐ ✓ ✗

11

$$3^2+2^3$$

☐= ☐ ✓ ✗

12

$$5^2 \times 2^2$$

☐= ☐ ✓ ✗

Check

This is Power Play level 1. You can also try:
Level 2 Level 3 Level 4 Level 5 Level 6 Level 7

Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.
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Description of Levels

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Level 1 - The basics involving squares, cubes, square roots, cube roots etc.

Level 2 - Writing repeated multiplications as powers

Level 3 - Including division and brackets

Level 4 - The first law of indices with numbers

Level 5 - The second law of indices with numbers

Level 6 - The third law of indices with numbers

Level 7 - The laws of indices with variables

Exam Style Questions - A collection of problems in the style of GCSE or IB/A-level exam paper questions (worked solutions are available for Transum subscribers).

More on this topic including lesson Starters, visual aids, investigations and self-marking exercises.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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This set of exercises was suggested by Mark Pyle.

Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

Help

If you feel as though you'd like to get a better understanding of this topic before working through the levels try the Indices Exercise. Below you can see that video that was made for that exercise.

Typing Mathematical Notation

These exercises use MathQuill, a web formula editor designed to make typing Maths easy and beautiful. Watch the animation below to see how common mathematical notation can be created using your keyboard.

MathQuill Animation

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can double-click the 'Check' button to make it float at the bottom of your screen.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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