Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 295 · 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) a mixed revision quiz (b) one chapter’s sums only (c) one formula, 20 times (d) only fraction sums
2. 2.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
3. 3.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
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.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
6. 6.🔀 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) fractions (c) ratio (d) area
7. 7.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) True (b) False
8. 8.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) algebra and area mixed (c) a mixed revision quiz (d) one topic all evening
9. 9.🔀 Why does mixed practice help in exams? (a) it is shorter (b) you practise choosing (c) it skips topics (d) it needs no thinking
10. 10.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
11. 11.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
12. 12.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) fractions (c) percentage (d) area
13. 13.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) area (b) ratio (c) fractions (d) percentage
14. 14.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) percentage (c) fractions (d) ratio
15. 15.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) same type, page by page (c) all area sums together (d) a shuffled set of sums
16. 16.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) algebra and area mixed (c) old and new topics mixed (d) one chapter’s sums only
17. 17.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) True (b) False
18. 18.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) True (b) False
19. 19.🔀 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) fractions (c) area (d) ratio
20. 20.🔀 Interleaving means… (a) skipping hard topics (b) one topic for weeks (c) reading only (d) mixing different topics
21. 21.🔍 Which is the odd one out? (a) one formula, 20 times (b) switching topic each sum (c) old and new topics mixed (d) algebra and area mixed
22. 22.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
23. 23.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) area (b) fractions (c) ratio (d) percentage
24. 24.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
25. 25.🔀 Which revision set is interleaved? (a) one percentage page (b) 20 algebra sums only (c) algebra, area, %, mixed (d) area sums only
26. 26.True or false: “Find the space inside a square of side 7 cm.” needs the percentage method. (a) False (b) True
27. 27.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
28. 28.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
29. 29.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) True (b) False
30. 30.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
31. 31.🔍 Which is the odd one out? (a) old and new topics mixed (b) same type, page by page (c) one formula, 20 times (d) one topic all evening
32. 32.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
33. 33.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
34. 34.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) bad for learning (c) a sign to stop (d) normal and useful
35. 35.Which of these is blocked practice (one type only)? (a) only fraction sums (b) old and new topics mixed (c) a mixed revision quiz (d) fraction, %, ratio mixed
36. 36.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) only fraction sums (c) one topic all evening (d) all area sums together
37. 37.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) ratio (b) fractions (c) area (d) percentage
38. 38.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) fractions (b) percentage (c) area (d) ratio
39. 39.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) same type, page by page (c) a shuffled set of sums (d) fraction, %, ratio mixed
40. 40.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False

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