Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 407 · 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.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) False (b) True
2. 2.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
3. 3.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
4. 4.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) percentage (b) area (c) fractions (d) ratio
5. 5.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the percentage method. (a) False (b) True
6. 6.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
7. 7.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) a mixed revision quiz (c) algebra and area mixed (d) switching topic each sum
8. 8.🔍 Which is the odd one out? (a) a shuffled set of sums (b) one chapter’s sums only (c) fraction, %, ratio mixed (d) algebra and area mixed
9. 9.🔀 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) ratio (c) percentage (d) fractions
10. 10.🔀 Interleaving means… (a) reading only (b) mixing different topics (c) one topic for weeks (d) skipping hard topics
11. 11.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
12. 12.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
13. 13.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) percentage (c) area (d) fractions
14. 14.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it needs no thinking (d) it is shorter
15. 15.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
16. 16.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
17. 17.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) a waste of time (c) a sign to stop (d) bad for learning
18. 18.🔍 Which is the odd one out? (a) switching topic each sum (b) one topic all evening (c) all area sums together (d) one chapter’s sums only
19. 19.True or false: “only fraction sums” is blocked practice (one type only). (a) False (b) True
20. 20.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
21. 21.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) area (c) percentage (d) fractions
22. 22.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) all area sums together (c) old and new topics mixed (d) a mixed revision quiz
23. 23.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
24. 24.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the area method. (a) True (b) False
25. 25.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) fraction, %, ratio mixed (c) only fraction sums (d) algebra and area mixed
26. 26.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
27. 27.🔀 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) area (d) fractions
28. 28.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) one formula, 20 times (c) one chapter’s sums only (d) all area sums together
29. 29.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a mixed revision quiz (b) one topic all evening (c) same type, page by page (d) only fraction sums
31. 31.True or false: “switching topic each sum” is interleaving (mixed practice). (a) False (b) True
32. 32.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) old and new topics mixed (d) one topic all evening
33. 33.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) fractions (b) area (c) ratio (d) percentage
34. 34.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
35. 35.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
36. 36.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
37. 37.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) only fraction sums (b) all area sums together (c) a shuffled set of sums (d) one chapter’s sums only
39. 39.True or false: “all area sums together” is interleaving (mixed practice). (a) False (b) True
40. 40.🔍 Which is the odd one out? (a) only fraction sums (b) algebra and area mixed (c) one topic all evening (d) same type, page by page

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