Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 481 · 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.🔀 When is blocked practice useful? (a) never at all (b) when first learning (c) for every revision (d) the night before exams
2. 2.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
3. 3.True or false: “only fraction sums” is blocked practice (one type only). (a) False (b) True
4. 4.Which of these is interleaving (mixed practice)? (a) a mixed revision quiz (b) same type, page by page (c) one formula, 20 times (d) one topic all evening
5. 5.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) percentage (b) fractions (c) ratio (d) area
6. 6.🔀 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) area (d) percentage
7. 7.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) same type, page by page (d) fraction, %, ratio mixed
8. 8.🔍 Which is the odd one out? (a) a mixed revision quiz (b) switching topic each sum (c) one topic all evening (d) algebra and area mixed
9. 9.🔀 Which revision set is interleaved? (a) one percentage page (b) algebra, area, %, mixed (c) area sums only (d) 20 algebra sums only
10. 10.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) you practise choosing (d) it skips topics
11. 11.🔍 Which is the odd one out? (a) one formula, 20 times (b) only fraction sums (c) one topic all evening (d) algebra and area mixed
12. 12.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
13. 13.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
14. 14.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
15. 15.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
16. 16.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) interleaving (b) blocked practice
17. 17.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
18. 18.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
19. 19.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one topic all evening (c) same type, page by page (d) a shuffled set of sums
20. 20.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
21. 21.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) same type, page by page (c) old and new topics mixed (d) one topic all evening
22. 22.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) one chapter’s sums only (c) old and new topics mixed (d) fraction, %, ratio mixed
23. 23.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) ratio (c) fractions (d) percentage
24. 24.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one chapter’s sums only (c) a mixed revision quiz (d) a shuffled set of sums
25. 25.True or false: “same type, page by page” is interleaving (mixed practice). (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 area method. (a) True (b) False
27. 27.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one formula, 20 times (c) only fraction sums (d) one chapter’s sums only
28. 28.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) True (b) False
29. 29.True or false: “switching topic each sum” is interleaving (mixed practice). (a) True (b) False
30. 30.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) switching topic each sum (c) one formula, 20 times (d) algebra and area mixed
31. 31.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
32. 32.🔀 Mixed practice can feel harder at first. That is… (a) bad for learning (b) a waste of time (c) normal and useful (d) a sign to stop
33. 33.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) area (c) percentage (d) fractions
34. 34.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) area (b) ratio (c) percentage (d) fractions
35. 35.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
36. 36.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) fractions (c) percentage (d) area
37. 37.🔍 Which is the odd one out? (a) one topic all evening (b) one chapter’s sums only (c) one formula, 20 times (d) fraction, %, ratio mixed
38. 38.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
39. 39.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
40. 40.🔀 Interleaving means… (a) mixing different topics (b) one topic for weeks (c) reading only (d) skipping hard topics

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