Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 100 · 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) percentage (b) area (c) fractions (d) ratio
2. 2.🔀 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) area (c) fractions (d) percentage
3. 3.🔀 Interleaving means… (a) reading only (b) one topic for weeks (c) mixing different topics (d) skipping hard topics
4. 4.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) False (b) True
5. 5.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the percentage method. (a) True (b) False
6. 6.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
7. 7.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
8. 8.🔍 Which is the odd one out? (a) algebra and area mixed (b) same type, page by page (c) old and new topics mixed (d) fraction, %, ratio mixed
9. 9.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) percentage (c) area (d) fractions
10. 10.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
11. 11.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
12. 12.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) False (b) True
13. 13.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a shuffled set of sums (b) one formula, 20 times (c) one topic all evening (d) one chapter’s sums only
15. 15.True or false: “one topic all evening” is interleaving (mixed practice). (a) True (b) False
16. 16.True or false: “all area sums together” is blocked practice (one type only). (a) False (b) True
17. 17.🔀 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) percentage (c) area (d) fractions
18. 18.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) fractions (c) ratio (d) percentage
19. 19.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the fractions method. (a) True (b) False
20. 20.🔍 Which is the odd one out? (a) a mixed revision quiz (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) one formula, 20 times
21. 21.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
22. 22.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) ratio (c) fractions (d) percentage
23. 23.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
24. 24.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
25. 25.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) all area sums together (b) switching topic each sum (c) algebra and area mixed (d) a mixed revision quiz
27. 27.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) algebra, area, %, mixed (c) one percentage page (d) area sums only
28. 28.True or false: “same type, page by page” is interleaving (mixed practice). (a) False (b) True
29. 29.🔍 Which is the odd one out? (a) a shuffled set of sums (b) only fraction sums (c) fraction, %, ratio mixed (d) algebra and area mixed
30. 30.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) one topic all evening (b) only fraction sums (c) all area sums together (d) old and new topics mixed
32. 32.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) a waste of time (c) a sign to stop (d) bad for learning
33. 33.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) only fraction sums (c) switching topic each sum (d) fraction, %, ratio mixed
34. 34.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) fractions (c) percentage (d) area
35. 35.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
36. 36.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) a mixed revision quiz (d) a shuffled set of sums
37. 37.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) ratio (b) area (c) percentage (d) fractions
38. 38.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False
39. 39.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
40. 40.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving

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