Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 394 · 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.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one topic all evening (c) old and new topics mixed (d) switching topic each sum
2. 2.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
3. 3.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) False (b) True
4. 4.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
5. 5.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
6. 6.🔍 Which is the odd one out? (a) only fraction sums (b) one topic all evening (c) switching topic each sum (d) same type, page by page
7. 7.Which of these is interleaving (mixed practice)? (a) a mixed revision quiz (b) one topic all evening (c) one formula, 20 times (d) only fraction sums
8. 8.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
9. 9.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the fractions method. (a) True (b) False
10. 10.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one formula, 20 times (c) only fraction sums (d) same type, page by page
11. 11.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) percentage (b) area (c) fractions (d) ratio
12. 12.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) algebra and area mixed (c) all area sums together (d) one formula, 20 times
13. 13.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
14. 14.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
15. 15.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
16. 16.🔍 Which is the odd one out? (a) one topic all evening (b) only fraction sums (c) old and new topics mixed (d) one formula, 20 times
17. 17.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) fractions (b) percentage (c) area (d) ratio
18. 18.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
19. 19.🔍 Which is the odd one out? (a) algebra and area mixed (b) old and new topics mixed (c) one chapter’s sums only (d) a mixed revision quiz
20. 20.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
21. 21.🔀 Interleaving or blocked practice: one formula, 20 times? (a) blocked practice (b) interleaving
22. 22.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) it skips topics (d) you practise choosing
23. 23.True or false: “What is 15 out of 60 as a per cent?” needs the area method. (a) True (b) False
24. 24.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) algebra, area, %, mixed (c) one percentage page (d) area sums only
25. 25.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) False (b) True
26. 26.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) old and new topics mixed (c) switching topic each sum (d) one formula, 20 times
27. 27.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
28. 28.🔀 When is blocked practice useful? (a) for every revision (b) the night before exams (c) when first learning (d) never at all
29. 29.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
30. 30.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) fractions (b) area (c) ratio (d) percentage
31. 31.🔍 Which is the odd one out? (a) algebra and area mixed (b) one topic all evening (c) same type, page by page (d) only fraction sums
32. 32.True or false: “same type, page by page” is interleaving (mixed practice). (a) True (b) False
33. 33.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
34. 34.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
35. 35.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
36. 36.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) True (b) False
37. 37.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
38. 38.🔀 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) ratio (c) fractions (d) area
39. 39.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
40. 40.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) percentage (b) area (c) fractions (d) ratio

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