Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 92 · 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? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) percentage (c) fractions (d) area
2. 2.🔍 Which is the odd one out? (a) algebra and area mixed (b) one chapter’s sums only (c) a mixed revision quiz (d) a shuffled set of sums
3. 3.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) it skips topics (d) you practise choosing
4. 4.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
5. 5.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) switching topic each sum (c) same type, page by page (d) all area sums together
6. 6.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) a shuffled set of sums (c) only fraction sums (d) one formula, 20 times
7. 7.🔍 Which is the odd one out? (a) all area sums together (b) one chapter’s sums only (c) one topic all evening (d) a mixed revision quiz
8. 8.🔀 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
9. 9.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) area (b) fractions (c) percentage (d) ratio
10. 10.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) a shuffled set of sums (d) one chapter’s sums only
11. 11.🔀 When is blocked practice useful? (a) the night before exams (b) never at all (c) when first learning (d) for every revision
12. 12.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
13. 13.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) old and new topics mixed (d) same type, page by page
14. 14.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) a mixed revision quiz (c) a shuffled set of sums (d) one topic all evening
15. 15.True or false: “one topic all evening” is interleaving (mixed practice). (a) False (b) True
16. 16.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
17. 17.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the ratio method. (a) True (b) False
18. 18.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
19. 19.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the area method. (a) True (b) False
20. 20.True or false: “switching topic each sum” is interleaving (mixed practice). (a) True (b) False
21. 21.🔍 Which is the odd one out? (a) one chapter’s sums only (b) old and new topics mixed (c) only fraction sums (d) same type, page by page
22. 22.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) only fraction sums (d) switching topic each sum
23. 23.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) percentage (b) ratio (c) fractions (d) area
24. 24.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
25. 25.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) one percentage page (c) area sums only (d) algebra, area, %, mixed
26. 26.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) fractions (c) percentage (d) area
27. 27.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) one formula, 20 times (b) old and new topics mixed (c) a mixed revision quiz (d) a shuffled set of sums
29. 29.True or false: “Find 20% of 150.” needs the percentage method. (a) False (b) True
30. 30.🔍 Which is the odd one out? (a) a mixed revision quiz (b) one topic all evening (c) fraction, %, ratio mixed (d) a shuffled set of sums
31. 31.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
32. 32.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
33. 33.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the ratio method. (a) False (b) True
34. 34.🔍 Which is the odd one out? (a) old and new topics mixed (b) only fraction sums (c) switching topic each sum (d) fraction, %, ratio mixed
35. 35.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) old and new topics mixed (d) all area sums together
36. 36.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
37. 37.🔀 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) percentage (c) area (d) ratio
38. 38.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) fractions (b) ratio (c) area (d) percentage
39. 39.Which of these is interleaving (mixed practice)? (a) old and new topics mixed (b) one formula, 20 times (c) only fraction sums (d) same type, page by page
40. 40.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) same type, page by page (c) all area sums together (d) fraction, %, ratio mixed

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