OCR GCSE Maths Paper 4 Higher November 2017 Solutions

Описание: OCR GCSE Maths Paper 4 (Higher Tier) – November 2017

This video is a complete, step-by-step walkthrough of the OCR GCSE Mathematics Paper 4 Higher Tier (November 2017).

Ideal for students preparing for mocks, resits, or summer exams, this video explains every question clearly using calculator-friendly methods and exam-ready reasoning to help you secure every possible mark.

🔗 DOWNLOADS & RESOURCES:

📄 Blank Question Paper (PDF): https://mathvault.io/ocr-gcse

✅ Official Mark Scheme (PDF): https://mathvault.io/ocr-gcse

✍️ Worked Solutions (PDF): https://mathvault.io/ocr-gcse

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📌 What’s Covered in This Video:

✅ Convert lengths-per-time and check a 55-minute target, plus assumptions (Q1a–c)
✅ Index laws and factorising expressions (Q2a–b)
✅ Constructions: perpendicular bisector + circle with scale (Q3a)
✅ Explain why only one valid point lies inside the garden (Q3b)
✅ Scatter graphs: plot points, correlation, and percentage calculations (Q4a–c)
✅ Quadratic graph: complete table, draw curve, solve roots, then solve intersections with a line (Q5a–d)
✅ Ratio mixture problem: adjust paint ratio by adding red only (Q6)
✅ Regular polygons + symmetry to find an angle (Q7)
✅ Counting combinations and “at least one vegetarian” fraction (Q8a–b)
✅ Two-way table from survey data + check a claim using proportions (Q9)
✅ Histogram: estimate a fraction, totals, and state assumptions (Q10a–b)
✅ Inverse proportion: find k and form y = k/x² (Q11)
✅ Bounds problem: maximum number of fence posts (Q12)
✅ Solve quadratic equation + expand triple brackets (Q13a–b)
✅ 3D trigonometry in a cuboid to find an angle (Q14)
✅ Rationalise denominator and simplify surd fraction (Q15)
✅ Complete the square + turning point of a quadratic (Q16a–b)
✅ Cosine rule to show AC, then sine rule to find BC (Q17a–b)
✅ Quadratic formula solutions to 2 d.p. (Q18)

TIMESTAMPS

0:00 Intro
0:07 Q1a–c Swimming rates, assumptions, and reasons
2:10 Q2a–b Indices + factorising
3:08 Q3a Construction (perp bisector + 15m from C)
6:46 Q3b Only one point inside the garden
7:54 Q4 Plot points, correlation, percentage
10:50 Q5 Table, quadratic graph, roots, line graph & intersections
16:52 Q6 Paint ratio (add red)
18:32 Q7 Regular polygons + symmetry angle
22:02 Q8 Meal combinations + vegetarian fraction + 3-course total
24:15 Q9 Two-way table + check “2 out of 5” claim
27:49 Q10 Histogram fraction + assumption
31:46 Q11 Inverse proportion formula
32:43 Q12 Bounds: max fence posts
35:06 Q13 Solve quadratic + expand/simplify
39:25 Q14 Cuboid trig angle
43:37 Q15 Rationalise and simplify
46:21 Q16 Complete the square + turning point
47:40 Q17 Cosine rule then sine rule
52:55 Q18 Quadratic formula (2 d.p.)

🎯 Who Is This For?

• Year 10 & 11 students preparing for OCR Higher Tier
• Students revising independently or with a tutor
• Teachers, parents & tutors supporting GCSE revision

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