Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 267 · 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: “Share ₹60 between two friends in the ratio 1 : 2.” needs the fractions method. (a) True (b) False
2. 2.🔀 Interleaving means… (a) reading only (b) one topic for weeks (c) mixing different topics (d) skipping hard topics
3. 3.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) True (b) False
4. 4.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one formula, 20 times (c) a shuffled set of sums (d) same type, page by page
5. 5.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) area (b) fractions (c) ratio (d) percentage
6. 6.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) percentage (b) area (c) fractions (d) ratio
7. 7.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) switching topic each sum (c) one formula, 20 times (d) a shuffled set of sums
8. 8.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
9. 9.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) area (b) fractions (c) percentage (d) ratio
10. 10.True or false: “one topic all evening” is interleaving (mixed practice). (a) False (b) True
11. 11.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
12. 12.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) fraction, %, ratio mixed (c) a mixed revision quiz (d) one topic all evening
13. 13.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
14. 14.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
15. 15.🔍 Which is the odd one out? (a) a shuffled set of sums (b) switching topic each sum (c) algebra and area mixed (d) one chapter’s sums only
16. 16.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
17. 17.True or false: “all area sums together” is blocked practice (one type only). (a) False (b) True
18. 18.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) all area sums together (b) fraction, %, ratio mixed (c) algebra and area mixed (d) old and new topics mixed
20. 20.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
21. 21.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) switching topic each sum (c) a mixed revision quiz (d) only fraction sums
22. 22.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the area method. (a) False (b) True
23. 23.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
24. 24.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) ratio (c) percentage (d) fractions
25. 25.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one chapter’s sums only (c) one topic all evening (d) all area sums together
26. 26.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
27. 27.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
28. 28.True or false: “Find 20% of 150.” needs the ratio method. (a) False (b) True
29. 29.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) normal and useful (c) bad for learning (d) a waste of time
30. 30.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the ratio method. (a) False (b) True
31. 31.🔀 Interleaving or blocked practice: one formula, 20 times? (a) blocked practice (b) interleaving
32. 32.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) area (b) ratio (c) percentage (d) fractions
33. 33.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one formula, 20 times (c) one topic all evening (d) fraction, %, ratio mixed
34. 34.True or false: “Find the space inside a square of side 7 cm.” needs the percentage method. (a) True (b) False
35. 35.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) area (c) fractions (d) percentage
36. 36.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one formula, 20 times (c) same type, page by page (d) switching topic each sum
37. 37.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
38. 38.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one formula, 20 times (c) old and new topics mixed (d) only fraction sums
39. 39.True or false: “Find the space inside a square of side 7 cm.” needs the fractions method. (a) False (b) True
40. 40.🔀 When is blocked practice useful? (a) when first learning (b) for every revision (c) the night before exams (d) never at all

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