Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 420 · 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) area (b) percentage (c) fractions (d) ratio
2. 2.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one topic all evening (c) same type, page by page (d) only fraction sums
3. 3.True or false: “What is 15 out of 60 as a per cent?” needs the fractions method. (a) False (b) True
4. 4.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the area method. (a) True (b) False
5. 5.True or false: “same type, page by page” is interleaving (mixed practice). (a) True (b) False
6. 6.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
7. 7.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) fractions (b) ratio (c) area (d) percentage
8. 8.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
9. 9.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
10. 10.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
11. 11.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) False (b) True
12. 12.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
13. 13.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
14. 14.Which of these is blocked practice (one type only)? (a) one topic all evening (b) fraction, %, ratio mixed (c) switching topic each sum (d) algebra and area mixed
15. 15.🔍 Which is the odd one out? (a) a mixed revision quiz (b) algebra and area mixed (c) same type, page by page (d) fraction, %, ratio mixed
16. 16.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the percentage method. (a) True (b) False
17. 17.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
18. 18.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it needs no thinking (c) it is shorter (d) you practise choosing
19. 19.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one chapter’s sums only (c) a shuffled set of sums (d) switching topic each sum
20. 20.🔀 When is blocked practice useful? (a) for every revision (b) never at all (c) when first learning (d) the night before exams
21. 21.🔀 Interleaving means… (a) reading only (b) mixing different topics (c) one topic for weeks (d) skipping hard topics
22. 22.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
23. 23.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one chapter’s sums only (c) a mixed revision quiz (d) one formula, 20 times
24. 24.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) fraction, %, ratio mixed (c) a shuffled set of sums (d) algebra and area mixed
25. 25.Which of these is blocked practice (one type only)? (a) only fraction sums (b) a shuffled set of sums (c) old and new topics mixed (d) switching topic each sum
26. 26.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
27. 27.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
28. 28.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one topic all evening (c) one formula, 20 times (d) a shuffled set of sums
29. 29.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
30. 30.🔍 Which is the odd one out? (a) one topic all evening (b) only fraction sums (c) a mixed revision quiz (d) one formula, 20 times
31. 31.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) only fraction sums (c) all area sums together (d) fraction, %, ratio mixed
32. 32.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) percentage (b) fractions (c) area (d) ratio
33. 33.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) switching topic each sum (c) a shuffled set of sums (d) all area sums together
34. 34.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) area (b) percentage (c) ratio (d) fractions
35. 35.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
36. 36.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) fractions (b) area (c) ratio (d) percentage
37. 37.True or false: “same type, page by page” is blocked practice (one type only). (a) True (b) False
38. 38.🔀 Mixed practice can feel harder at first. That is… (a) bad for learning (b) a sign to stop (c) a waste of time (d) normal and useful
39. 39.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) one formula, 20 times (d) switching topic each sum
40. 40.🔍 Which is the odd one out? (a) one chapter’s sums only (b) same type, page by page (c) one topic all evening (d) switching topic each sum

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