Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 406 · 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 room is 4 m by 5 m. How much floor is there?” needs the ratio method. (a) True (b) False
2. 2.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the area method. (a) False (b) True
3. 3.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) one percentage page (c) algebra, area, %, mixed (d) area sums only
4. 4.🔀 When is blocked practice useful? (a) when first learning (b) the night before exams (c) for every revision (d) never at all
5. 5.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
6. 6.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
7. 7.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
8. 8.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
9. 9.🔀 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
10. 10.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) True (b) False
11. 11.Which of these is blocked practice (one type only)? (a) one chapter’s sums only (b) old and new topics mixed (c) a mixed revision quiz (d) fraction, %, ratio mixed
12. 12.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) False (b) True
13. 13.🔍 Which is the odd one out? (a) same type, page by page (b) one chapter’s sums only (c) all area sums together (d) old and new topics mixed
14. 14.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) switching topic each sum (c) old and new topics mixed (d) fraction, %, ratio mixed
15. 15.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) all area sums together (c) old and new topics mixed (d) algebra and area mixed
16. 16.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) True (b) False
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) ratio (b) percentage (c) fractions (d) area
18. 18.🔀 Interleaving means… (a) mixing different topics (b) skipping hard topics (c) reading only (d) one topic for weeks
19. 19.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
20. 20.🔍 Which is the odd one out? (a) algebra and area mixed (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) all area sums together
21. 21.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one chapter’s sums only (c) one topic all evening (d) fraction, %, ratio mixed
22. 22.🔍 Which is the odd one out? (a) same type, page by page (b) one topic all evening (c) switching topic each sum (d) only fraction sums
23. 23.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) area (b) fractions (c) ratio (d) percentage
24. 24.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
25. 25.🔍 Which is the odd one out? (a) a shuffled set of sums (b) fraction, %, ratio mixed (c) algebra and area mixed (d) only fraction sums
26. 26.True or false: “How many 1 m square tiles cover a 3 m by 6 m patio?” needs the fractions method. (a) True (b) False
27. 27.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) percentage (b) ratio (c) area (d) fractions
28. 28.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) percentage (b) area (c) fractions (d) ratio
29. 29.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) area (b) fractions (c) ratio (d) percentage
30. 30.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) area (b) fractions (c) ratio (d) percentage
31. 31.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) all area sums together (c) same type, page by page (d) a mixed revision quiz
32. 32.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) True (b) False
33. 33.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one formula, 20 times (c) old and new topics mixed (d) one chapter’s sums only
34. 34.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it is shorter (c) it needs no thinking (d) you practise choosing
35. 35.True or false: “one topic all evening” is interleaving (mixed practice). (a) True (b) False
36. 36.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
37. 37.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
38. 38.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) switching topic each sum (c) one chapter’s sums only (d) one topic all evening
39. 39.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) fraction, %, ratio mixed (c) same type, page by page (d) algebra and area mixed
40. 40.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

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