Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 221 · 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.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it needs no thinking (d) it is shorter
2. 2.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) all area sums together (c) same type, page by page (d) algebra and area mixed
3. 3.🔍 Which is the odd one out? (a) only fraction sums (b) one formula, 20 times (c) one chapter’s sums only (d) fraction, %, ratio mixed
4. 4.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one chapter’s sums only (c) only fraction sums (d) a shuffled set of sums
5. 5.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
6. 6.True or false: “all area sums together” is blocked practice (one type only). (a) False (b) True
7. 7.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) ratio (b) percentage (c) area (d) fractions
8. 8.🔍 Which is the odd one out? (a) one chapter’s sums only (b) only fraction sums (c) one topic all evening (d) a shuffled set of sums
9. 9.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) old and new topics mixed (c) one formula, 20 times (d) algebra and area mixed
10. 10.🔍 Which is the odd one out? (a) old and new topics mixed (b) one topic all evening (c) switching topic each sum (d) algebra and area mixed
11. 11.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
12. 12.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
13. 13.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
14. 14.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) True (b) False
15. 15.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
16. 16.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
17. 17.🔀 Which revision set is interleaved? (a) area sums only (b) algebra, area, %, mixed (c) 20 algebra sums only (d) one percentage page
18. 18.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
19. 19.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
20. 20.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) area (c) fractions (d) percentage
21. 21.🔀 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) fractions (c) ratio (d) area
22. 22.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) True (b) False
23. 23.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) fractions (c) ratio (d) percentage
24. 24.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
25. 25.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
26. 26.True or false: “What is 3/4 + 1/8?” needs the area method. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a mixed revision quiz (b) all area sums together (c) same type, page by page (d) one topic all evening
28. 28.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
29. 29.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) switching topic each sum (c) fraction, %, ratio mixed (d) one chapter’s sums only
30. 30.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the area method. (a) False (b) True
31. 31.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
32. 32.Which of these is interleaving (mixed practice)? (a) a mixed revision quiz (b) one chapter’s sums only (c) all area sums together (d) one formula, 20 times
33. 33.🔀 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) percentage (c) ratio (d) area
34. 34.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
35. 35.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) only fraction sums (b) one chapter’s sums only (c) one topic all evening (d) algebra and area mixed
37. 37.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one formula, 20 times (c) one topic all evening (d) switching topic each sum
38. 38.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the ratio method. (a) False (b) True
39. 39.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
40. 40.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) area (b) ratio (c) percentage (d) fractions

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