Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 308 · 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) reading only (b) skipping hard topics (c) mixing different topics (d) one topic for weeks
2. 2.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
3. 3.🔀 When is blocked practice useful? (a) the night before exams (b) never at all (c) when first learning (d) for every revision
4. 4.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the percentage method. (a) False (b) True
5. 5.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) fractions (b) ratio (c) percentage (d) area
6. 6.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
7. 7.🔍 Which is the odd one out? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) one chapter’s sums only (d) algebra and area mixed
8. 8.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) same type, page by page (c) all area sums together (d) one topic all evening
9. 9.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) False (b) True
10. 10.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
11. 11.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) a mixed revision quiz (d) all area sums together
12. 12.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) fractions (b) area (c) ratio (d) percentage
13. 13.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
14. 14.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
15. 15.True or false: “Find 20% of 150.” needs the area method. (a) True (b) False
16. 16.True or false: “Find the space inside a square of side 7 cm.” needs the fractions method. (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) one formula, 20 times (b) one topic all evening (c) same type, page by page (d) a shuffled set of sums
18. 18.Which of these is blocked practice (one type only)? (a) only fraction sums (b) switching topic each sum (c) a mixed revision quiz (d) old and new topics mixed
19. 19.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) switching topic each sum (c) old and new topics mixed (d) one topic all evening
20. 20.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) it skips topics (c) you practise choosing (d) it is shorter
21. 21.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
22. 22.True or false: “only fraction sums” is blocked practice (one type only). (a) False (b) True
23. 23.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
24. 24.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False
25. 25.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
26. 26.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) ratio (c) fractions (d) percentage
27. 27.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) True (b) False
28. 28.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
29. 29.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) same type, page by page (c) a shuffled set of sums (d) fraction, %, ratio mixed
30. 30.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
31. 31.Which of these is interleaving (mixed practice)? (a) fraction, %, ratio mixed (b) all area sums together (c) one formula, 20 times (d) one topic all evening
32. 32.🔍 Which is the odd one out? (a) a mixed revision quiz (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) one formula, 20 times
33. 33.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) False (b) True
34. 34.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the area method. (a) True (b) False
35. 35.🔍 Which is the odd one out? (a) only fraction sums (b) all area sums together (c) switching topic each sum (d) same type, page by page
36. 36.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) same type, page by page (c) all area sums together (d) old and new topics mixed
37. 37.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) switching topic each sum (c) old and new topics mixed (d) all area sums together
38. 38.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) ratio (b) area (c) fractions (d) percentage
39. 39.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
40. 40.🔀 Which revision set is interleaved? (a) one percentage page (b) area sums only (c) algebra, area, %, mixed (d) 20 algebra sums only

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