1. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Fractions www.mathsrevision.com Multiplying Basic Fractions Dividing Basic Fractions Multiplying Mixed Fractions Dividing Mixed Fractions Mix of ALL 4 Operations

2. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Starter Questions Starter Questions www.mathsrevision.com

3. Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions www.mathsrevision.com Learning Intention Success Criteria 1.Understand the simply rules for multiplying basic and mixed fractions. 1.We are learning how to multiply basic and mixed fractions. 2.Apply rules correctly.

4. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions Example Multiply basic fractions 1. Multiply the numerators 2. Multiply the denominators Is there a quicker way !

5. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions Example Multiply basic fractions 1. Multiply the numerators 2. Multiply the denominators Is there a quicker way ! ÷30 ÷30

6. 10-Jan-16Compiled by Mr. Lafferty Maths Dept. A cuboid has the dimensions shown. Calculate volume. ÷2 ÷2 Is there a quicker way !

7. 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Frances and Linda share a pizza. Frances eats a ¼ of it. Linda eats ½ of what is left. What fraction did Linda eat ? Pizza left = Linda eats =

8. www.mathsrevision.com Extension 10-Jan-16Created by Mr. Lafferty Maths Dept. Now try TJ3b Ex 1 Q1 to Q5 Ch8 (page 75) www.mathsrevision.com Fractions Are you on Target ? I can ?

9. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions 1.Make fractions top-heavy Multiplying Mixed Fractions 2. Multiply the numerators 3. Multiply the denominators

10. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions Example 1.Make fractions top-heavy 2. Multiply the numerators 3. Multiply the denominators Is there a quicker way !

11. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Multiplying Fractions Example 1.Make fractions top-heavy 2. Multiply the numerators 3. Multiply the denominators Is there a quicker way !

12. 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Stuart weighs 1½ times as much as Desmond. Desmond weighs 39¾ kgs. How much does Stuart weigh ?

13. www.mathsrevision.com Extension 10-Jan-16Created by Mr. Lafferty Maths Dept. Now try TJ3b Ex 1 Q6 onwards Ch8 (page 76) www.mathsrevision.com Fractions Are you on Target ? I can ?

14. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Starter Questions Starter Questions www.mathsrevision.com

15. Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Dividing Fractions www.mathsrevision.com Learning Intention Success Criteria 1. We are learning how to divide basic and mixed fractions. 1.Understand how the simply rules for dividing basic and mixed fractions. 2.Apply rules correctly.

16. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Always = 1 Dividing Fractions It is almost impossible to divide fractions like by actually dividing. Instead we change it into a multiplication by:

17. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Dividing Fractions Easy rule to remember : Example Instead of dividing by, multiply by

18. 10-Jan-16Compiled by Mr. Lafferty Maths Dept. How many ⅜ are in ¾ ? Is there a quicker way !

19. www.mathsrevision.com Extension 10-Jan-16Created by Mr. Lafferty Maths Dept. Now try TJ3b Ex 2 Q1 to Q3 Ch8 (page 77) www.mathsrevision.com Fractions Are you on Target ? I can ?

20. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Dividing Fractions For mixed fractions YOU MUST make them top-heavy first !! Example Instead of dividing by, multiply by Is there a quicker way !

21. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Dividing Fractions Example 2 Is there a quicker way !

22. 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Is there a quicker way ! Area = l x b

23. www.mathsrevision.com Extension 10-Jan-16Created by Mr. Lafferty Maths Dept. Now try TJ3b Ex 2 Q4 onwards Ch8 (page 78) www.mathsrevision.com Fractions Are you on Target ? I can ?

24. www.mathsrevision.com Extension 10-Jan-16Compiled by Mr. Lafferty Maths Dept. Dividing Fractions www.mathsrevision.com Learning Intention Success Criteria 1. We are revising all 4 operations for fractions including basic and mixed fraction.. 1.Understand the rules fractions. 2.Apply rules correctly to solve problems.

25. Multiplication 15 Adding Basic Rules of Fraction Simple fractions Subtracting Multiplication Division 6 1 6 53 10 5 8 Flip and change the sign Harder fractions Subtracting 6 1 Deal with whole numbers first 1 1 Same idea for addition Division 9 10 Top-heavy first Flip and change the sign 8 Top-heavy first 8 7 1

26. www.mathsrevision.com Extension 10-Jan-16Created by Mr. Lafferty Maths Dept. Now try TJ3b Ex 3 Ch8 (page 79) www.mathsrevision.com Fractions Are you on Target ? I can ? Have you updated your Learning Log ?