Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 241 · 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.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) switching topic each sum (b) a shuffled set of sums (c) all area sums together (d) algebra and area mixed
3. 3.🔀 Interleaving means… (a) skipping hard topics (b) reading only (c) one topic for weeks (d) mixing different topics
4. 4.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) it is shorter (c) it skips topics (d) you practise choosing
5. 5.🔀 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
6. 6.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the percentage method. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) one topic all evening (b) all area sums together (c) a shuffled set of sums (d) one chapter’s sums only
8. 8.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
9. 9.🔀 When is blocked practice useful? (a) never at all (b) for every revision (c) when first learning (d) the night before exams
10. 10.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
11. 11.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) area (c) percentage (d) fractions
12. 12.True or false: “one formula, 20 times” is blocked practice (one type only). (a) False (b) True
13. 13.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) True (b) False
14. 14.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) switching topic each sum (b) old and new topics mixed (c) only fraction sums (d) a mixed revision quiz
16. 16.🔍 Which is the odd one out? (a) same type, page by page (b) one chapter’s sums only (c) all area sums together (d) switching topic each sum
17. 17.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
18. 18.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) False (b) True
19. 19.🔀 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
20. 20.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
21. 21.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the fractions method. (a) True (b) False
22. 22.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) only fraction sums (c) one formula, 20 times (d) one chapter’s sums only
23. 23.True or false: “What is 3/4 + 1/8?” needs the area method. (a) False (b) True
24. 24.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) one formula, 20 times (c) algebra and area mixed (d) one topic all evening
25. 25.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) fractions (b) ratio (c) percentage (d) area
26. 26.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) False (b) True
27. 27.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) fraction, %, ratio mixed (c) one topic all evening (d) a shuffled set of sums
28. 28.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False
29. 29.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) percentage (b) area (c) ratio (d) fractions
30. 30.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) algebra and area mixed (b) switching topic each sum (c) a shuffled set of sums (d) one topic all evening
32. 32.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) same type, page by page
33. 33.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
34. 34.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
35. 35.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
36. 36.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) one formula, 20 times (c) switching topic each sum (d) a shuffled set of sums
37. 37.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one topic all evening (c) switching topic each sum (d) one chapter’s sums only
38. 38.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
39. 39.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False
40. 40.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

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