1. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. To demonstrate how to simplify expressions using indices. Objectives

2. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Simplify each of the following, showing your working carefully. (1) (2) (3)

3. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (1) Multiplication tells you to add the powers. Division tells you to subtract the powers. Simplify each of the following, showing your working carefully.

4. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (1) Simplify each of the following, showing your working carefully.

5. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (2) Rearrange to place the numbers first. Simplify each of the following, showing your working carefully.

6. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (2) Multiply the digits together and rearrange to group terms with all those of the same type. Simplify each of the following, showing your working carefully.

7. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (2) Add powers because you are multiplying two powers of x. Simplify each of the following, showing your working carefully.

8. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (2) Remove the × symbols at the end – remember that writing two letters together means that you multiply. Simplify each of the following, showing your working carefully.

9. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (3) Remember that to square something means to multiply it by itself. Simplify each of the following, showing your working carefully.

10. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (3) Remember that writing two letters together means multiply. As before, bring the numbers to the front. Simplify each of the following, showing your working carefully.

11. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. (3) Simplify each of the following, showing your working carefully.

12. Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. Remember that when letters are next to letters, or letters are next to numbers, they are multiplied. Summary Rearrange to multiply the numbers together, and multiply the same letters with the same letters. Use rules of indices to carry out the multiplications or divisions. Simplify your answer.