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Complete the first seven square numbers - OCR - GCSE Maths - Question 2 - 2020 - Paper 3
Question 2
Complete the first seven square numbers. 1 4 9 16 ........ 36 49 Write the missing term in each sequence. (i) 18 16 14 ........ 10 8 (ii) ........ 14 20 26 32 38
Worked Solution & Example Answer:Complete the first seven square numbers - OCR - GCSE Maths - Question 2 - 2020 - Paper 3
Step 1
Step 2
Write the missing term in each sequence.
Answer
(i) The sequence goes from 18 to 10, decreasing by 2 and then by 2 again. Therefore, the missing term is 12, giving us:
18, 16, 14, 12, 10, 8.
(ii) The sequence increases by 6 for each subsequent term. Thus, the missing term before 14 is 8:
8, 14, 20, 26, 32, 38.