Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 595 · 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.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) percentage (c) area (d) fractions
2. 2.🔀 Interleaving means… (a) skipping hard topics (b) one topic for weeks (c) reading only (d) mixing different topics
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.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) percentage (c) ratio (d) area
5. 5.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) fractions (b) percentage (c) ratio (d) area
6. 6.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) True (b) False
7. 7.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) True (b) False
8. 8.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
9. 9.True or false: “Find 20% of 150.” needs the area method. (a) True (b) False
10. 10.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) ratio (c) percentage (d) area
11. 11.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
12. 12.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
13. 13.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
14. 14.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
15. 15.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) one formula, 20 times (c) switching topic each sum (d) old and new topics mixed
16. 16.🔍 Which is the odd one out? (a) algebra and area mixed (b) old and new topics mixed (c) same type, page by page (d) a shuffled set of sums
17. 17.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) area (b) percentage (c) ratio (d) fractions
18. 18.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
19. 19.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
20. 20.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) all area sums together (b) one topic all evening (c) one formula, 20 times (d) a mixed revision quiz
22. 22.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
23. 23.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) area (b) ratio (c) fractions (d) percentage
24. 24.🔀 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) percentage (d) fractions
25. 25.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the area method. (a) True (b) False
26. 26.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
27. 27.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) fraction, %, ratio mixed (c) only fraction sums (d) same type, page by page
28. 28.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the percentage method. (a) True (b) False
29. 29.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one chapter’s sums only (c) algebra and area mixed (d) same type, page by page
30. 30.🔍 Which is the odd one out? (a) all area sums together (b) one chapter’s sums only (c) switching topic each sum (d) same type, page by page
31. 31.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) old and new topics mixed (d) all area sums together
32. 32.🔍 Which is the odd one out? (a) switching topic each sum (b) algebra and area mixed (c) one topic all evening (d) fraction, %, ratio mixed
33. 33.🔀 When is blocked practice useful? (a) never at all (b) the night before exams (c) when first learning (d) for every revision
34. 34.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the area method. (a) False (b) True
35. 35.🔀 Which revision set is interleaved? (a) area sums only (b) one percentage page (c) algebra, area, %, mixed (d) 20 algebra sums only
36. 36.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
37. 37.True or false: “Find 20% of 150.” needs the percentage method. (a) False (b) True
38. 38.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
39. 39.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one chapter’s sums only (c) same type, page by page (d) all area sums together
40. 40.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) one chapter’s sums only (c) switching topic each sum (d) old and new topics mixed

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