Proof

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Question 66

Prove that the sum of 3 consecutive odd numbers is always a multiple of 3. Hence, show that the sum of 3 consecutive odd numbers is always an odd multiple of 3.

[3]

Proof

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73

Question 66

Prove that the sum of 3 consecutive odd numbers is always a multiple of 3. Hence, show that the sum of 3 consecutive odd numbers is always an odd multiple of 3.

[3]

Proof

Question 66

Markscheme

Proof

Question 66

Markscheme

Proof

Question 66

Proof Questions

Proof

Question 66

Proof Questions