Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 450 · 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? Find 20% of 150. (a) ratio (b) area (c) fractions (d) percentage
2. 2.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) fractions (c) ratio (d) percentage
3. 3.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
4. 4.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) a mixed revision quiz (c) all area sums together (d) same type, page by page
5. 5.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) same type, page by page (c) one topic all evening (d) one formula, 20 times
6. 6.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
7. 7.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it is shorter (d) it needs no thinking
8. 8.True or false: “Find 20% of 150.” needs the percentage method. (a) False (b) True
9. 9.🔀 Interleaving means… (a) one topic for weeks (b) skipping hard topics (c) mixing different topics (d) reading only
10. 10.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
11. 11.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) algebra and area mixed (c) a mixed revision quiz (d) same type, page by page
12. 12.🔍 Which is the odd one out? (a) one chapter’s sums only (b) a shuffled set of sums (c) a mixed revision quiz (d) fraction, %, ratio mixed
13. 13.🔍 Which is the odd one out? (a) all area sums together (b) old and new topics mixed (c) one chapter’s sums only (d) one topic all evening
14. 14.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) all area sums together (c) same type, page by page (d) one chapter’s sums only
15. 15.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
16. 16.🔀 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) fractions (c) area (d) ratio
17. 17.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
18. 18.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
19. 19.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) percentage (b) ratio (c) fractions (d) area
20. 20.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) area (c) percentage (d) fractions
21. 21.🔀 When is blocked practice useful? (a) the night before exams (b) for every revision (c) never at all (d) when first learning
22. 22.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) one topic all evening (c) algebra and area mixed (d) fraction, %, ratio mixed
23. 23.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
24. 24.True or false: “What is 15 out of 60 as a per cent?” needs the fractions method. (a) True (b) False
25. 25.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) same type, page by page (b) a mixed revision quiz (c) old and new topics mixed (d) algebra and area mixed
27. 27.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
28. 28.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
29. 29.🔀 Which revision set is interleaved? (a) one percentage page (b) 20 algebra sums only (c) area sums only (d) algebra, area, %, mixed
30. 30.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) ratio (b) fractions (c) percentage (d) area
31. 31.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
32. 32.Which of these is interleaving (mixed practice)? (a) all area sums together (b) fraction, %, ratio mixed (c) same type, page by page (d) one formula, 20 times
33. 33.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) old and new topics mixed (c) only fraction sums (d) all area sums together
34. 34.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
35. 35.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) a waste of time (c) normal and useful (d) bad for learning
36. 36.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the percentage method. (a) True (b) False
37. 37.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
38. 38.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
39. 39.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) False (b) True
40. 40.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) a shuffled set of sums (d) switching topic each sum

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