Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 350 · 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 of these is interleaving (mixed practice)? (a) only fraction sums (b) all area sums together (c) a mixed revision quiz (d) same type, page by page
2. 2.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
3. 3.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) one topic all evening (d) algebra and area mixed
4. 4.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
5. 5.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) switching topic each sum (c) only fraction sums (d) all area sums together
6. 6.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) percentage (b) fractions (c) ratio (d) area
7. 7.🔀 Interleaving or blocked practice: algebra and area mixed? (a) blocked practice (b) interleaving
8. 8.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
9. 9.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) fractions (b) ratio (c) percentage (d) area
10. 10.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) fractions (c) percentage (d) ratio
11. 11.🔍 Which is the odd one out? (a) switching topic each sum (b) same type, page by page (c) one chapter’s sums only (d) only fraction sums
12. 12.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the fractions method. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) one topic all evening (b) a shuffled set of sums (c) only fraction sums (d) all area sums together
14. 14.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) all area sums together (c) a shuffled set of sums (d) a mixed revision quiz
15. 15.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) normal and useful (c) bad for learning (d) a waste of time
16. 16.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) ratio (b) percentage (c) area (d) fractions
17. 17.🔀 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) area (c) fractions (d) ratio
18. 18.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
19. 19.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
20. 20.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
21. 21.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
22. 22.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the fractions method. (a) False (b) True
23. 23.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) fraction, %, ratio mixed (c) switching topic each sum (d) same type, page by page
24. 24.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) True (b) False
25. 25.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
26. 26.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
27. 27.🔀 When is blocked practice useful? (a) the night before exams (b) never at all (c) when first learning (d) for every revision
28. 28.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
29. 29.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
30. 30.True or false: “same type, page by page” is blocked practice (one type only). (a) True (b) False
31. 31.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) it is shorter (c) you practise choosing (d) it skips topics
32. 32.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) area (b) percentage (c) fractions (d) ratio
33. 33.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) switching topic each sum (c) only fraction sums (d) algebra and area mixed
34. 34.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) False (b) True
35. 35.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) one topic all evening (c) same type, page by page (d) all area sums together
36. 36.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
37. 37.True or false: “What is 3/4 + 1/8?” needs the area method. (a) False (b) True
38. 38.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one formula, 20 times (c) one chapter’s sums only (d) algebra and area mixed
39. 39.True or false: “Find the space inside a square of side 7 cm.” needs the ratio method. (a) True (b) False
40. 40.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) algebra and area mixed (c) a shuffled set of sums (d) a mixed revision quiz

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