1. 12 ÷ 3 = 4

2. 48 × 0.15 =
2.4 × 3

3. 2.4 ÷ 0.3 = 8

4. 48 ÷ 3 =
2.4 ÷ 0.15

5. 1.2 ÷ 0.3 = 4

6. 2.4 ÷ 0.15 = 16

7. 3 apples and 4 pears cost £1.55

8. I know the cost of an apple

9. I know the cost of a pear

10. 6 apples and 8 pears cost £3.10

11. I know which costs more, one apple or one pear

12. 6 apples and 11 pears cost £3.70

13. Every perfect cube is a multiple of 9, or 1 more or 1 less than a multiple of 9

14. … = … = 38

15. (3n – 1)3 ≡ 27n3 – 27n2 + 9n – 1 and (3n + 1)3 ≡ 27n3 + 27n2 + 9n + 1

16. Every integer is a multiple of 3, or 1 more or 1 less than a multiple of 3

17. 12,345,689 is not a perfect cube

18. (3n)3 ≡ 27n3

19. n2 + 2n + 1 ≡ (n + 1)2

20. n2 + n + 1 < n2 + 2n + 1

21. n is positive

22. The value of n2 + n + 1 is never a perfect square

23. n2 + n + 1 > n2

24. The value of n2 + n + 1 is between the value of n2 and the value of (n + 1)2

25. a + d = ½ cm2 4a + d = 1 cm2

26. d
2 cm b a e c
2 cm

27. e = ½ cm2 a + d + e = 1 cm2 a + e + c = 1 cm2 b + c = 1 cm2

28. b = ⅔ cm2

29. 3a = ½ cm2

30. These triangles are similar, length ratio 1:2