Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 342 · 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.🔍 Which is the odd one out? (a) switching topic each sum (b) fraction, %, ratio mixed (c) a shuffled set of sums (d) one topic all evening
2. 2.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) area sums only (c) algebra, area, %, mixed (d) one percentage page
3. 3.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it skips topics (c) it needs no thinking (d) you practise choosing
4. 4.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) percentage (c) fractions (d) area
5. 5.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the percentage method. (a) True (b) False
6. 6.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
7. 7.True or false: “Find 20% of 150.” needs the ratio method. (a) False (b) True
8. 8.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) only fraction sums (c) a mixed revision quiz (d) all area sums together
9. 9.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the area method. (a) False (b) True
10. 10.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
11. 11.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) algebra and area mixed (c) all area sums together (d) old and new topics mixed
12. 12.True or false: “Find the space inside a square of side 7 cm.” needs the ratio method. (a) True (b) False
13. 13.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one topic all evening (c) only fraction sums (d) switching topic each sum
14. 14.🔀 Interleaving means… (a) reading only (b) one topic for weeks (c) mixing different topics (d) skipping hard topics
15. 15.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) old and new topics mixed (c) fraction, %, ratio mixed (d) one topic all evening
16. 16.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) True (b) False
17. 17.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
18. 18.True or false: “What is 3/4 + 1/8?” needs the ratio method. (a) True (b) False
19. 19.🔀 When is blocked practice useful? (a) the night before exams (b) when first learning (c) never at all (d) for every revision
20. 20.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
21. 21.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) False (b) True
22. 22.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the ratio method. (a) True (b) False
23. 23.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
24. 24.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one formula, 20 times (c) all area sums together (d) a shuffled set of sums
26. 26.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) algebra and area mixed (c) old and new topics mixed (d) same type, page by page
27. 27.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
28. 28.True or false: “switching topic each sum” is interleaving (mixed practice). (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) only fraction sums (d) old and new topics mixed
30. 30.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the fractions method. (a) False (b) True
31. 31.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
32. 32.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
33. 33.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
34. 34.🔀 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) area (c) percentage (d) ratio
35. 35.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one chapter’s sums only (c) old and new topics mixed (d) one formula, 20 times
36. 36.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) a mixed revision quiz (c) switching topic each sum (d) one chapter’s sums only
37. 37.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) False (b) True
38. 38.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) fractions (c) percentage (d) ratio
39. 39.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) only fraction sums (c) all area sums together (d) fraction, %, ratio mixed
40. 40.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) percentage (b) fractions (c) ratio (d) area

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