Past Paper Example 1
OCR Jun 2024 5H Q17
5 marks
The diagram shows a number line.
P = 1.2̇ and Q = 123.
Q is the midpoint of PR.
Find the value of R.
Give your answer as a mixed number in its simplest form.
You must show your working.
Q is the midpoint of PR.
Find the value of R.
Give your answer as a mixed number in its simplest form.
You must show your working.
Worked Solution & Mark Scheme (5 marks)
P = 1.2̇ = 1 2/9 = 11/9. M2
Q = 1 2/3 = 1 6/9 = 15/9. M1
Step from P to Q = 15/9 − 11/9 = 4/9. M1
R = Q + 4/9 = 15/9 + 4/9 = 19/9 = 2 1/9. A1
Q = 1 2/3 = 1 6/9 = 15/9. M1
Step from P to Q = 15/9 − 11/9 = 4/9. M1
R = Q + 4/9 = 15/9 + 4/9 = 19/9 = 2 1/9. A1
Answer: 219