1. Fractions
Revision

2. What fraction of this shape is yellow?

3. How many blocks would you need to shade in so that 𝟐 𝟑 is shaded?

4. Which of the following fractions is not equivalent tob: c: d:

5. If we cancel the fraction 24/30 to its lowest terms, what is the result?b: c: d:

6. Put the following fractions into numerical order, SMALLEST FIRST:
< > a: b: c: d:

7. What is three quarters of a litre, in millilitres?
a: 75 ml
b: 250 ml
c: 750 ml
D: 7500 ml

8. Out of a class of 24 people, 21 are present
Out of a class of 24 people, 21 are present. What fraction are absent, in its lowest form? a: b: c: d:

9. Calculate the value of:+ a: b: c: d:

10. What is the value of:
subtraction a: b: c: d:

11. Multiplying Fractions

12. HALF of HALF
How much is ½ of ½ a pizza?
HALF
HALF OF HALF IS ¼

13. ½ of ½ = ¼ ½ x ½ = ¼ can you think of a rule to MULTIPLY FRACTIONS?
OF means x
½ of ½ = ¼ ½ x ½ = ¼ can you think of a rule to MULTIPLY FRACTIONS?

14. can you think of a rule to MULTIPLY FRACTIONS?
1 3
1 4 of

15. More Examples… can you write the method?
Discuss with the person next to you and
write the method!

16. Steps to multiply 2 or more fractions
Step 1: Simplify fractions by cancelling a numerator & a denominator
Step 2: Multiply the numerators
Step 3: Multiply the denominators
Step 4: Simplify the fraction further if possible

17. EXAMPLES 1 6 7 5 6
1x5
7x1 5 7 x = = 1 1 4 5 3 8
1x3
5x2 3 10 x = = 2 2 4 9 6 7
4x2
3x7 8 21 x = = 3

18. EXAMPLES 1 1 2 6_ 10 5 9
1x1
1x3 1 3 x = = 1 2 3 1 4_ 15 3 8 1
1x1
5x2 1 10 x = = 5 2 1 3 2 21 9 6 35
1x2
1x5 2 5 x = = 3 1 5

19. Multiplying 3 Fractions1 4
2 15 × 5 12 × 8 9 1
= 1×1×4 3×3×9 = 4 81 3 6 3

20. Multiplying 3 Fractions1
15 33 × × 11 21 2 3 1
= 1×2×1 3×5×1 = 2 15 3 5 3 1

21. Fraction by whole number
2 5 × 15 1 3
2×3 1×1
2 5 ×15= = 3 7 ×21= = =6 1 3
3 7 × 21 1
3×3 1×1 =9 1