Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 333 · 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: switching topic each sum? (a) blocked practice (b) interleaving
2. 2.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
3. 3.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) same type, page by page (c) switching topic each sum (d) one chapter’s sums only
4. 4.🔀 When is blocked practice useful? (a) for every revision (b) when first learning (c) the night before exams (d) never at all
5. 5.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
6. 6.🔀 Interleaving means… (a) one topic for weeks (b) skipping hard topics (c) reading only (d) mixing different topics
7. 7.🔍 Which is the odd one out? (a) one formula, 20 times (b) a shuffled set of sums (c) algebra and area mixed (d) old and new topics mixed
8. 8.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) percentage (b) ratio (c) area (d) fractions
9. 9.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) one chapter’s sums only (d) algebra and area mixed
10. 10.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) True (b) False
11. 11.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the fractions method. (a) False (b) True
12. 12.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) algebra and area mixed (c) only fraction sums (d) a shuffled set of sums
13. 13.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
14. 14.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
15. 15.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the area method. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) all area sums together (b) only fraction sums (c) old and new topics mixed (d) one chapter’s sums only
17. 17.🔀 Which revision set is interleaved? (a) area sums only (b) 20 algebra sums only (c) one percentage page (d) algebra, area, %, mixed
18. 18.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
19. 19.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
20. 20.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) it skips topics (d) you practise choosing
21. 21.🔍 Which is the odd one out? (a) one chapter’s sums only (b) only fraction sums (c) same type, page by page (d) algebra and area mixed
22. 22.True or false: “same type, page by page” is interleaving (mixed practice). (a) False (b) True
23. 23.Which of these is blocked practice (one type only)? (a) one chapter’s sums only (b) a mixed revision quiz (c) old and new topics mixed (d) a shuffled set of sums
24. 24.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) old and new topics mixed (c) a shuffled set of sums (d) same type, page by page
25. 25.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) same type, page by page (c) all area sums together (d) algebra and area mixed
26. 26.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) ratio (b) fractions (c) area (d) percentage
27. 27.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
28. 28.True or false: “same type, page by page” is blocked practice (one type only). (a) False (b) True
29. 29.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the ratio method. (a) False (b) True
30. 30.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
31. 31.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) same type, page by page (c) one chapter’s sums only (d) all area sums together
32. 32.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
33. 33.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) False (b) True
34. 34.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the fractions method. (a) True (b) False
35. 35.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) fractions (b) percentage (c) area (d) ratio
36. 36.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
37. 37.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) area (b) percentage (c) fractions (d) ratio
38. 38.🔍 Which is the odd one out? (a) old and new topics mixed (b) a mixed revision quiz (c) switching topic each sum (d) only fraction sums
39. 39.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) percentage (b) fractions (c) ratio (d) area
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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