Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 306 · 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? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) ratio (b) area (c) percentage (d) fractions
2. 2.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
3. 3.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
4. 4.🔀 Why does mixed practice help in exams? (a) it is shorter (b) you practise choosing (c) it skips topics (d) it needs no thinking
5. 5.🔍 Which is the odd one out? (a) one chapter’s sums only (b) all area sums together (c) a shuffled set of sums (d) same type, page by page
6. 6.True or false: “Find 20% of 150.” needs the percentage method. (a) False (b) True
7. 7.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) normal and useful (c) a sign to stop (d) bad for learning
8. 8.Which of these is interleaving (mixed practice)? (a) fraction, %, ratio mixed (b) same type, page by page (c) one topic all evening (d) only fraction sums
9. 9.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) all area sums together (c) one formula, 20 times (d) same type, page by page
10. 10.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) all area sums together (c) switching topic each sum (d) one chapter’s sums only
11. 11.🔍 Which is the odd one out? (a) switching topic each sum (b) one topic all evening (c) fraction, %, ratio mixed (d) a mixed revision quiz
12. 12.🔀 When is blocked practice useful? (a) never at all (b) the night before exams (c) for every revision (d) when first learning
13. 13.🔍 Which is the odd one out? (a) a shuffled set of sums (b) a mixed revision quiz (c) switching topic each sum (d) all area sums together
14. 14.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
15. 15.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
16. 16.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
17. 17.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) area (c) percentage (d) ratio
18. 18.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
19. 19.🔍 Which is the odd one out? (a) algebra and area mixed (b) old and new topics mixed (c) a shuffled set of sums (d) one chapter’s sums only
20. 20.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) False (b) True
21. 21.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
22. 22.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) algebra, area, %, mixed (c) area sums only (d) one percentage page
23. 23.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) algebra and area mixed (d) only fraction sums
24. 24.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
25. 25.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
26. 26.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
27. 27.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) ratio (c) area (d) percentage
28. 28.True or false: “Find the space inside a square of side 7 cm.” needs the percentage method. (a) True (b) False
29. 29.True or false: “Find 20% of 150.” 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 percentage method. (a) True (b) False
31. 31.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) algebra and area mixed (d) one formula, 20 times
32. 32.🔍 Which is the odd one out? (a) a shuffled set of sums (b) one formula, 20 times (c) switching topic each sum (d) old and new topics mixed
33. 33.True or false: “only fraction sums” is blocked practice (one type only). (a) True (b) False
34. 34.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) ratio (b) area (c) percentage (d) fractions
35. 35.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
36. 36.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) True (b) False
37. 37.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
38. 38.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
39. 39.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) False (b) True
40. 40.Which of these is blocked practice (one type only)? (a) same type, page by page (b) a shuffled set of sums (c) algebra and area mixed (d) fraction, %, ratio mixed

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