Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 207 · 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) old and new topics mixed (b) fraction, %, ratio mixed (c) switching topic each sum (d) only fraction sums
2. 2.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
3. 3.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
4. 4.🔀 Which revision set is interleaved? (a) area sums only (b) 20 algebra sums only (c) algebra, area, %, mixed (d) one percentage page
5. 5.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the area method. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) old and new topics mixed (b) one topic all evening (c) one chapter’s sums only (d) all area sums together
7. 7.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
8. 8.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) area (c) ratio (d) percentage
9. 9.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) percentage (b) ratio (c) fractions (d) area
10. 10.🔀 Interleaving means… (a) skipping hard topics (b) reading only (c) mixing different topics (d) one topic for weeks
11. 11.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) True (b) False
12. 12.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
13. 13.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) False (b) True
14. 14.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
15. 15.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) a mixed revision quiz (c) only fraction sums (d) fraction, %, ratio mixed
16. 16.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) True (b) False
17. 17.🔍 Which is the odd one out? (a) switching topic each sum (b) fraction, %, ratio mixed (c) a mixed revision quiz (d) one chapter’s sums only
18. 18.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) one chapter’s sums only (b) algebra and area mixed (c) only fraction sums (d) all area sums together
20. 20.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it is shorter (c) it skips topics (d) it needs no thinking
21. 21.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) fractions (b) area (c) ratio (d) percentage
22. 22.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) only fraction sums (c) one chapter’s sums only (d) algebra and area mixed
23. 23.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) False (b) True
24. 24.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) fractions (b) area (c) ratio (d) percentage
25. 25.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
26. 26.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
27. 27.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
28. 28.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
29. 29.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) area (b) ratio (c) fractions (d) percentage
30. 30.True or false: “What is 3/4 + 1/8?” needs the area method. (a) True (b) False
31. 31.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the ratio method. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) one chapter’s sums only (b) only fraction sums (c) one formula, 20 times (d) a shuffled set of sums
33. 33.🔀 When is blocked practice useful? (a) the night before exams (b) for every revision (c) never at all (d) when first learning
34. 34.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the fractions method. (a) False (b) True
35. 35.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
36. 36.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
37. 37.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the percentage method. (a) False (b) True
38. 38.True or false: “only fraction sums” is blocked practice (one type only). (a) False (b) True
39. 39.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
40. 40.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

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