Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 289 · 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? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) ratio (b) percentage (c) fractions (d) area
2. 2.🔍 Which is the odd one out? (a) same type, page by page (b) switching topic each sum (c) one topic all evening (d) one formula, 20 times
3. 3.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) percentage (c) area (d) ratio
4. 4.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
5. 5.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
6. 6.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
7. 7.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
8. 8.Which of these is interleaving (mixed practice)? (a) old and new topics mixed (b) all area sums together (c) one chapter’s sums only (d) only fraction sums
9. 9.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
10. 10.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) fractions (b) area (c) percentage (d) ratio
11. 11.🔍 Which is the odd one out? (a) old and new topics mixed (b) a mixed revision quiz (c) algebra and area mixed (d) one chapter’s sums only
12. 12.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) you practise choosing (c) it skips topics (d) it is shorter
13. 13.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
14. 14.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
15. 15.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one formula, 20 times (c) a mixed revision quiz (d) one topic all evening
16. 16.🔀 When is blocked practice useful? (a) the night before exams (b) for every revision (c) never at all (d) when first learning
17. 17.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) only fraction sums (c) a shuffled set of sums (d) switching topic each sum
18. 18.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) a waste of time (c) bad for learning (d) normal and useful
19. 19.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) a shuffled set of sums (d) old and new topics mixed
20. 20.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) False (b) True
21. 21.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
22. 22.True or false: “What is 3/4 + 1/8?” needs the area method. (a) True (b) False
23. 23.🔍 Which is the odd one out? (a) one chapter’s sums only (b) algebra and area mixed (c) one formula, 20 times (d) all area sums together
24. 24.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
25. 25.🔀 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) ratio (c) fractions (d) area
26. 26.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the percentage method. (a) False (b) True
27. 27.True or false: “Find the space inside a square of side 7 cm.” needs the fractions method. (a) True (b) False
28. 28.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) one chapter’s sums only (c) one formula, 20 times (d) algebra and area mixed
29. 29.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) fraction, %, ratio mixed (c) a shuffled set of sums (d) one topic all evening
30. 30.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
31. 31.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) old and new topics mixed (d) all area sums together
32. 32.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
33. 33.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) fractions (b) percentage (c) ratio (d) area
34. 34.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) percentage (c) area (d) ratio
35. 35.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
36. 36.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) only fraction sums (c) switching topic each sum (d) one topic all evening
37. 37.True or false: “Find 20% of 150.” needs the fractions method. (a) True (b) False
38. 38.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) False (b) True
39. 39.🔀 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
40. 40.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True

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