Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 69 · 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.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) percentage (b) ratio (c) fractions (d) area
2. 2.🔍 Which is the odd one out? (a) same type, page by page (b) one chapter’s sums only (c) only fraction sums (d) switching topic each sum
3. 3.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) area (b) percentage (c) fractions (d) ratio
4. 4.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
5. 5.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
6. 6.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) True (b) False
7. 7.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) all area sums together (c) old and new topics mixed (d) one formula, 20 times
8. 8.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) same type, page by page (c) algebra and area mixed (d) a shuffled set of sums
9. 9.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
10. 10.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
11. 11.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) percentage (b) ratio (c) fractions (d) area
12. 12.True or false: “Find 20% of 150.” needs the fractions method. (a) False (b) True
13. 13.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the area method. (a) True (b) False
14. 14.Which of these is blocked practice (one type only)? (a) only fraction sums (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) old and new topics mixed
15. 15.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
16. 16.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) True (b) False
17. 17.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) one topic all evening (c) fraction, %, ratio mixed (d) old and new topics mixed
18. 18.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) area (b) percentage (c) ratio (d) fractions
19. 19.🔀 When is blocked practice useful? (a) when first learning (b) for every revision (c) the night before exams (d) never at all
20. 20.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the percentage method. (a) False (b) True
21. 21.🔀 Interleaving means… (a) reading only (b) one topic for weeks (c) mixing different topics (d) skipping hard topics
22. 22.True or false: “What is 3/4 + 1/8?” needs the area method. (a) True (b) False
23. 23.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it is shorter (c) it needs no thinking (d) it skips topics
24. 24.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) algebra and area mixed (d) all area sums together
25. 25.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) all area sums together (d) same type, page by page
26. 26.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) False (b) True
27. 27.True or false: “Find 20% of 150.” needs the area method. (a) False (b) True
28. 28.Which of these is interleaving (mixed practice)? (a) fraction, %, ratio mixed (b) one topic all evening (c) same type, page by page (d) only fraction sums
29. 29.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
30. 30.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) one chapter’s sums only (c) switching topic each sum (d) a mixed revision quiz
31. 31.🔀 Which revision set is interleaved? (a) one percentage page (b) area sums only (c) algebra, area, %, mixed (d) 20 algebra sums only
32. 32.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) False (b) True
33. 33.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) a mixed revision quiz (c) all area sums together (d) only fraction sums
34. 34.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) False (b) True
35. 35.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) one chapter’s sums only (b) algebra and area mixed (c) fraction, %, ratio mixed (d) a shuffled set of sums
37. 37.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) one topic all evening (b) only fraction sums (c) one chapter’s sums only (d) old and new topics mixed
39. 39.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
40. 40.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) percentage (c) area (d) ratio

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