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1 (a) Work out - OCR - GCSE Maths - Question 1 - 2020 - Paper 1

Question 1

1 (a) Work out. (i) -1 + 6 (ii) 7 - 3 (b) Write down two prime numbers between 10 and 20.

Worked Solution & Example Answer:1 (a) Work out - OCR - GCSE Maths - Question 1 - 2020 - Paper 1

Step 1

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Answer

To solve the expression, we add -1 and 6:

$-1 + 6 = 5$

Thus, the answer is 5.

Step 2

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Answer

For this calculation, we subtract 3 from 7:

$7 - 3 = 4$

Therefore, the answer is 4.

Step 3

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Answer

The prime numbers between 10 and 20 are 11, 13, 17, and 19. For this question, we can choose:

Thus, two prime numbers are 11 and 13.

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