Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 325 · 40 questions

Study tip (Mix it up): Interleaving: mixed sets, old and new topics together, switching topic each question. Blocked: one type, page by page. Read each question for clues: “%” → percentage; “m by m” or tiles → area; “a : b” → ratio; 3/4 → fractions. Block when first learning; mix for revision and exam practice.

1. 1.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
2. 2.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the area method. (a) True (b) False
3. 3.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) fractions (b) percentage (c) ratio (d) area
4. 4.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False
5. 5.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) only fraction sums (c) one topic all evening (d) a shuffled set of sums
6. 6.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) algebra and area mixed (c) a shuffled set of sums (d) same type, page by page
7. 7.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
8. 8.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) area (b) percentage (c) fractions (d) ratio
9. 9.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
10. 10.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
11. 11.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) percentage (c) fractions (d) ratio
12. 12.🔍 Which is the odd one out? (a) all area sums together (b) one topic all evening (c) old and new topics mixed (d) same type, page by page
13. 13.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) all area sums together (c) same type, page by page (d) old and new topics mixed
14. 14.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) False (b) True
15. 15.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the ratio method. (a) True (b) False
16. 16.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
17. 17.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) fractions (b) percentage (c) area (d) ratio
18. 18.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) 20 algebra sums only (c) area sums only (d) one percentage page
19. 19.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
20. 20.🔀 Interleaving means… (a) one topic for weeks (b) skipping hard topics (c) mixing different topics (d) reading only
21. 21.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) False (b) True
22. 22.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
23. 23.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it is shorter (d) it needs no thinking
24. 24.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
25. 25.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
26. 26.🔍 Which is the odd one out? (a) algebra and area mixed (b) a mixed revision quiz (c) a shuffled set of sums (d) one topic all evening
27. 27.True or false: “switching topic each sum” is interleaving (mixed practice). (a) False (b) True
28. 28.True or false: “What is 3/4 + 1/8?” needs the ratio method. (a) False (b) True
29. 29.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) True (b) False
30. 30.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
31. 31.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
32. 32.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
33. 33.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
34. 34.🔍 Which is the odd one out? (a) one topic all evening (b) only fraction sums (c) one chapter’s sums only (d) algebra and area mixed
35. 35.🔍 Which is the odd one out? (a) a mixed revision quiz (b) old and new topics mixed (c) switching topic each sum (d) same type, page by page
36. 36.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) fractions (c) percentage (d) ratio
37. 37.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) fractions (c) ratio (d) percentage
38. 38.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the percentage method. (a) True (b) False
39. 39.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
40. 40.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) False (b) True

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