Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 284 · 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 means… (a) skipping hard topics (b) one topic for weeks (c) mixing different topics (d) reading only
2. 2.True or false: “one chapter’s sums only” is interleaving (mixed practice). (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) percentage (b) fractions (c) area (d) ratio
4. 4.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
5. 5.True or false: “Find 20% of 150.” needs the area method. (a) False (b) True
6. 6.🔍 Which is the odd one out? (a) algebra and area mixed (b) old and new topics mixed (c) same type, page by page (d) fraction, %, ratio mixed
7. 7.🔀 When is blocked practice useful? (a) never at all (b) when first learning (c) the night before exams (d) for every revision
8. 8.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) percentage (b) fractions (c) area (d) ratio
9. 9.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
10. 10.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
11. 11.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
12. 12.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) a shuffled set of sums (c) one chapter’s sums only (d) old and new topics mixed
13. 13.🔍 Which is the odd one out? (a) switching topic each sum (b) algebra and area mixed (c) a mixed revision quiz (d) one chapter’s sums only
14. 14.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) ratio (c) percentage (d) fractions
15. 15.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) all area sums together
16. 16.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
17. 17.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) one chapter’s sums only (c) same type, page by page (d) fraction, %, ratio mixed
18. 18.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) all area sums together (c) a mixed revision quiz (d) one formula, 20 times
19. 19.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one chapter’s sums only (c) a shuffled set of sums (d) same type, page by page
20. 20.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
21. 21.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
22. 22.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
23. 23.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) a shuffled set of sums (b) same type, page by page (c) one chapter’s sums only (d) only fraction sums
25. 25.🔍 Which is the odd one out? (a) old and new topics mixed (b) one topic all evening (c) only fraction sums (d) all area sums together
26. 26.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) percentage (b) fractions (c) ratio (d) area
27. 27.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
28. 28.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) False (b) True
29. 29.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) True (b) False
30. 30.True or false: “Find 20% of 150.” needs the ratio method. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) switching topic each sum (b) same type, page by page (c) only fraction sums (d) one chapter’s sums only
32. 32.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) old and new topics mixed (c) fraction, %, ratio mixed (d) algebra and area mixed
33. 33.True or false: “one topic all evening” is blocked practice (one type only). (a) False (b) True
34. 34.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
35. 35.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
36. 36.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
37. 37.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) one topic all evening (c) algebra and area mixed (d) a shuffled set of sums
38. 38.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) you practise choosing (c) it is shorter (d) it skips topics
39. 39.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) fractions (b) percentage (c) ratio (d) area
40. 40.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) False (b) True

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