Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 310 · 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 of these is interleaving (mixed practice)? (a) same type, page by page (b) only fraction sums (c) one topic all evening (d) fraction, %, ratio mixed
2. 2.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
3. 3.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) ratio (b) fractions (c) area (d) percentage
4. 4.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) algebra and area mixed (c) one chapter’s sums only (d) one formula, 20 times
5. 5.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
6. 6.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the percentage method. (a) True (b) False
7. 7.True or false: “What is 3/4 + 1/8?” needs the ratio method. (a) False (b) True
8. 8.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) fractions (b) ratio (c) area (d) percentage
9. 9.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
10. 10.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) same type, page by page (c) old and new topics mixed (d) one topic all evening
11. 11.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
12. 12.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) False (b) True
13. 13.🔀 When is blocked practice useful? (a) for every revision (b) never at all (c) the night before exams (d) when first learning
14. 14.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
15. 15.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) same type, page by page (c) a shuffled set of sums (d) one topic all evening
16. 16.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
17. 17.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the percentage method. (a) False (b) True
18. 18.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) True (b) False
19. 19.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) old and new topics mixed (d) same type, page by page
20. 20.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
21. 21.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) ratio (b) area (c) percentage (d) fractions
22. 22.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the area method. (a) True (b) False
23. 23.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
24. 24.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) False (b) True
25. 25.🔀 Interleaving means… (a) skipping hard topics (b) mixing different topics (c) one topic for weeks (d) reading only
26. 26.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
27. 27.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) all area sums together (b) only fraction sums (c) same type, page by page (d) old and new topics mixed
29. 29.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) percentage (b) fractions (c) area (d) ratio
30. 30.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it is shorter (c) it needs no thinking (d) you practise choosing
31. 31.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) False (b) True
32. 32.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) False (b) True
33. 33.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) percentage (b) fractions (c) ratio (d) area
34. 34.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) fractions (c) ratio (d) percentage
35. 35.🔍 Which is the odd one out? (a) switching topic each sum (b) algebra and area mixed (c) only fraction sums (d) a mixed revision quiz
36. 36.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
37. 37.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
38. 38.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) area (b) percentage (c) ratio (d) fractions
39. 39.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
40. 40.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the fractions method. (a) False (b) True

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