Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 366 · 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) one topic all evening (b) algebra and area mixed (c) only fraction sums (d) same type, page by page
2. 2.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) area (c) fractions (d) percentage
3. 3.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) a mixed revision quiz (c) same type, page by page (d) one formula, 20 times
4. 4.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) only fraction sums (d) algebra and area mixed
5. 5.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) fractions (c) ratio (d) percentage
6. 6.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) you practise choosing (d) it skips topics
7. 7.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
8. 8.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
9. 9.🔀 When is blocked practice useful? (a) for every revision (b) the night before exams (c) when first learning (d) never at all
10. 10.True or false: “Find 20% of 150.” needs the area method. (a) False (b) True
11. 11.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
12. 12.🔀 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) fractions (c) percentage (d) area
13. 13.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) all area sums together (b) switching topic each sum (c) one topic all evening (d) one chapter’s sums only
15. 15.True or false: “one formula, 20 times” is blocked practice (one type only). (a) True (b) False
16. 16.🔀 Interleaving means… (a) reading only (b) skipping hard topics (c) mixing different topics (d) one topic for weeks
17. 17.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) a waste of time (c) bad for learning (d) normal and useful
18. 18.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) algebra and area mixed (d) one formula, 20 times
20. 20.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a mixed revision quiz (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) one topic all evening
22. 22.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
23. 23.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
24. 24.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
25. 25.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) fraction, %, ratio mixed (c) all area sums together (d) old and new topics mixed
26. 26.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) same type, page by page (c) algebra and area mixed (d) old and new topics mixed
27. 27.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) True (b) False
28. 28.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) False (b) True
29. 29.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one topic all evening (c) a shuffled set of sums (d) only fraction sums
30. 30.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) percentage (b) fractions (c) ratio (d) area
31. 31.Which of these is blocked practice (one type only)? (a) one chapter’s sums only (b) a shuffled set of sums (c) switching topic each sum (d) old and new topics mixed
32. 32.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
33. 33.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) one percentage page (c) area sums only (d) algebra, area, %, mixed
34. 34.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) fractions (b) area (c) ratio (d) percentage
35. 35.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
36. 36.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
37. 37.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the area method. (a) False (b) True
38. 38.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) True (b) False
39. 39.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
40. 40.True or false: “Find the space inside a square of side 7 cm.” needs the ratio method. (a) False (b) True

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