Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 83 · 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? Find 20% of 150. (a) fractions (b) area (c) ratio (d) percentage
2. 2.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) percentage (b) ratio (c) fractions (d) area
3. 3.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
4. 4.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
5. 5.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) ratio (c) percentage (d) fractions
6. 6.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) False (b) True
7. 7.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the fractions method. (a) True (b) False
8. 8.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
9. 9.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
10. 10.True or false: “same type, page by page” is interleaving (mixed practice). (a) True (b) False
11. 11.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) one topic all evening (c) all area sums together (d) only fraction sums
12. 12.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it is shorter (d) it needs no thinking
13. 13.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one topic all evening (c) only fraction sums (d) algebra and area mixed
14. 14.🔍 Which is the odd one out? (a) switching topic each sum (b) algebra and area mixed (c) fraction, %, ratio mixed (d) same type, page by page
15. 15.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) algebra and area mixed (c) one formula, 20 times (d) switching topic each sum
16. 16.🔀 Interleaving means… (a) skipping hard topics (b) reading only (c) mixing different topics (d) one topic for weeks
17. 17.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the fractions method. (a) True (b) False
18. 18.🔍 Which is the odd one out? (a) same type, page by page (b) only fraction sums (c) fraction, %, ratio mixed (d) one formula, 20 times
19. 19.True or false: “one topic all evening” is blocked practice (one type only). (a) False (b) True
20. 20.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) one formula, 20 times (d) a shuffled set of sums
21. 21.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
22. 22.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) ratio (b) fractions (c) percentage (d) area
23. 23.🔍 Which is the odd one out? (a) only fraction sums (b) algebra and area mixed (c) fraction, %, ratio mixed (d) a shuffled set of sums
24. 24.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) algebra and area mixed (c) old and new topics mixed (d) one chapter’s sums only
25. 25.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
26. 26.🔍 Which is the odd one out? (a) switching topic each sum (b) old and new topics mixed (c) algebra and area mixed (d) one topic all evening
27. 27.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) one topic all evening (c) old and new topics mixed (d) fraction, %, ratio mixed
28. 28.🔍 Which is the odd one out? (a) a shuffled set of sums (b) only fraction sums (c) all area sums together (d) same type, page by page
29. 29.True or false: “only fraction sums” is interleaving (mixed practice). (a) True (b) False
30. 30.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
31. 31.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) a waste of time (c) normal and useful (d) bad for learning
32. 32.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) True (b) False
33. 33.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) same type, page by page (c) fraction, %, ratio mixed (d) one formula, 20 times
34. 34.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) one topic all evening (b) switching topic each sum (c) all area sums together (d) only fraction sums
36. 36.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
37. 37.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
38. 38.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
39. 39.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
40. 40.🔍 Which is the odd one out? (a) switching topic each sum (b) one chapter’s sums only (c) algebra and area mixed (d) a mixed revision quiz

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