Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 50 · 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 of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) same type, page by page (d) old and new topics mixed
2. 2.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
3. 3.🔍 Which is the odd one out? (a) a shuffled set of sums (b) switching topic each sum (c) only fraction sums (d) fraction, %, ratio mixed
4. 4.🔍 Which is the odd one out? (a) one formula, 20 times (b) a mixed revision quiz (c) only fraction sums (d) one chapter’s sums only
5. 5.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
6. 6.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
7. 7.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
8. 8.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
9. 9.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) ratio (b) percentage (c) area (d) fractions
10. 10.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) old and new topics mixed (c) one formula, 20 times (d) only fraction sums
11. 11.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
12. 12.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) same type, page by page (c) one topic all evening (d) only fraction sums
13. 13.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
14. 14.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
15. 15.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
16. 16.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it is shorter (c) it needs no thinking (d) you practise choosing
17. 17.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
18. 18.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) one percentage page (c) area sums only (d) algebra, area, %, mixed
19. 19.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
20. 20.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) ratio (c) area (d) percentage
21. 21.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a shuffled set of sums (b) a mixed revision quiz (c) one topic all evening (d) switching topic each sum
23. 23.True or false: “What is 3/4 + 1/8?” needs the ratio method. (a) False (b) True
24. 24.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) a shuffled set of sums (c) all area sums together (d) algebra and area mixed
25. 25.🔀 Interleaving means… (a) one topic for weeks (b) skipping hard topics (c) mixing different topics (d) reading only
26. 26.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) True (b) False
27. 27.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) percentage (b) area (c) fractions (d) ratio
28. 28.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a shuffled set of sums (b) algebra and area mixed (c) all area sums together (d) a mixed revision quiz
30. 30.🔀 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) ratio (c) percentage (d) area
31. 31.🔍 Which is the odd one out? (a) old and new topics mixed (b) one topic all evening (c) all area sums together (d) one chapter’s sums only
32. 32.🔀 When is blocked practice useful? (a) the night before exams (b) for every revision (c) never at all (d) when first learning
33. 33.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) fractions (c) area (d) percentage
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 of these is interleaving (mixed practice)? (a) one topic all evening (b) one chapter’s sums only (c) a shuffled set of sums (d) only fraction sums
36. 36.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
37. 37.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) a mixed revision quiz (c) one topic all evening (d) a shuffled set of sums
38. 38.🔍 Which is the odd one out? (a) same type, page by page (b) algebra and area mixed (c) one chapter’s sums only (d) all area sums together
39. 39.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) bad for learning (c) a waste of time (d) a sign to stop
40. 40.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False

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