Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 264 · 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) percentage (b) ratio (c) fractions (d) area
2. 2.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
3. 3.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) ratio (b) area (c) percentage (d) fractions
4. 4.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
5. 5.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
6. 6.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) True (b) False
7. 7.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) it is shorter (c) you practise choosing (d) it skips topics
8. 8.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
9. 9.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) only fraction sums (c) algebra and area mixed (d) one formula, 20 times
10. 10.🔀 When is blocked practice useful? (a) the night before exams (b) when first learning (c) for every revision (d) never at all
11. 11.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
12. 12.🔀 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
13. 13.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the fractions method. (a) True (b) False
14. 14.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) a mixed revision quiz (d) old and new topics mixed
15. 15.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
16. 16.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) ratio (b) percentage (c) area (d) fractions
17. 17.🔀 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) ratio (d) percentage
18. 18.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
19. 19.🔀 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) percentage (c) ratio (d) area
20. 20.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) fractions (c) ratio (d) percentage
21. 21.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
22. 22.🔍 Which is the odd one out? (a) all area sums together (b) fraction, %, ratio mixed (c) same type, page by page (d) one formula, 20 times
23. 23.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) all area sums together (c) fraction, %, ratio mixed (d) one chapter’s sums only
24. 24.True or false: “Find 20% of 150.” needs the area method. (a) False (b) True
25. 25.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) all area sums together (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) switching topic each sum
27. 27.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
28. 28.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
29. 29.True or false: “What is 3/4 + 1/8?” needs the area method. (a) True (b) False
30. 30.True or false: “only fraction sums” is blocked practice (one type only). (a) True (b) False
31. 31.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) bad for learning (c) a waste of time (d) normal and useful
32. 32.🔍 Which is the odd one out? (a) one chapter’s sums only (b) all area sums together (c) one topic all evening (d) old and new topics mixed
33. 33.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the percentage method. (a) True (b) False
34. 34.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) old and new topics mixed (c) only fraction sums (d) same type, page by page
35. 35.🔀 Interleaving or blocked practice: one formula, 20 times? (a) blocked practice (b) interleaving
36. 36.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) False (b) True
37. 37.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) percentage (b) fractions (c) ratio (d) area
38. 38.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
39. 39.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) old and new topics mixed (c) only fraction sums (d) a shuffled set of sums
40. 40.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) area (c) percentage (d) fractions

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