Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 131 · 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) a mixed revision quiz (b) algebra and area mixed (c) one chapter’s sums only (d) switching topic each sum
2. 2.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) fractions (b) percentage (c) ratio (d) area
3. 3.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) True (b) False
4. 4.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) False (b) True
5. 5.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
6. 6.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the area method. (a) False (b) True
7. 7.🔀 Interleaving means… (a) one topic for weeks (b) mixing different topics (c) skipping hard topics (d) reading only
8. 8.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) same type, page by page (c) all area sums together (d) old and new topics mixed
9. 9.Which of these is blocked practice (one type only)? (a) one topic all evening (b) switching topic each sum (c) a shuffled set of sums (d) fraction, %, ratio mixed
10. 10.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) False (b) True
11. 11.🔀 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) percentage (c) ratio (d) fractions
12. 12.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one topic all evening (c) all area sums together (d) one formula, 20 times
13. 13.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) fraction, %, ratio mixed (c) only fraction sums (d) same type, page by page
14. 14.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
15. 15.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
16. 16.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
17. 17.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
18. 18.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) area (c) percentage (d) fractions
19. 19.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
20. 20.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) False (b) True
21. 21.🔀 When is blocked practice useful? (a) when first learning (b) the night before exams (c) never at all (d) for every revision
22. 22.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
23. 23.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
24. 24.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
25. 25.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) same type, page by page (c) a shuffled set of sums (d) one chapter’s sums only
26. 26.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) fractions (b) area (c) ratio (d) percentage
27. 27.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
28. 28.🔍 Which is the odd one out? (a) one formula, 20 times (b) all area sums together (c) same type, page by page (d) fraction, %, ratio mixed
29. 29.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
30. 30.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) only fraction sums (b) one topic all evening (c) same type, page by page (d) a shuffled set of sums
32. 32.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
33. 33.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) fraction, %, ratio mixed (c) a mixed revision quiz (d) all area sums together
34. 34.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it needs no thinking (c) it is shorter (d) you practise choosing
35. 35.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) all area sums together (b) one topic all evening (c) one formula, 20 times (d) switching topic each sum
37. 37.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
38. 38.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) False (b) True
39. 39.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) True (b) False
40. 40.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) percentage (c) fractions (d) ratio

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