Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 452 · 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 is the odd one out? (a) switching topic each sum (b) one chapter’s sums only (c) a mixed revision quiz (d) old and new topics mixed
2. 2.🔍 Which is the odd one out? (a) a shuffled set of sums (b) one topic all evening (c) one chapter’s sums only (d) all area sums together
3. 3.🔀 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
4. 4.🔀 Why does mixed practice help in exams? (a) it skips topics (b) you practise choosing (c) it is shorter (d) it needs no thinking
5. 5.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) ratio (b) area (c) percentage (d) fractions
6. 6.Which of these is blocked practice (one type only)? (a) only fraction sums (b) old and new topics mixed (c) algebra and area mixed (d) switching topic each sum
7. 7.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) fractions (c) area (d) percentage
8. 8.Which of these is blocked practice (one type only)? (a) one chapter’s sums only (b) switching topic each sum (c) a shuffled set of sums (d) fraction, %, ratio mixed
9. 9.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
10. 10.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one chapter’s sums only (c) all area sums together (d) fraction, %, ratio mixed
11. 11.🔍 Which is the odd one out? (a) same type, page by page (b) algebra and area mixed (c) all area sums together (d) one formula, 20 times
12. 12.True or false: “one topic all evening” is interleaving (mixed practice). (a) True (b) False
13. 13.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
14. 14.🔍 Which is the odd one out? (a) a mixed revision quiz (b) one formula, 20 times (c) switching topic each sum (d) a shuffled set of sums
15. 15.🔀 Which revision set is interleaved? (a) one percentage page (b) algebra, area, %, mixed (c) area sums only (d) 20 algebra sums only
16. 16.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) percentage (b) fractions (c) ratio (d) area
17. 17.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) False (b) True
18. 18.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
19. 19.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
20. 20.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) bad for learning (c) a sign to stop (d) a waste of time
21. 21.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
22. 22.True or false: “one formula, 20 times” is blocked practice (one type only). (a) False (b) True
23. 23.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) ratio (c) percentage (d) area
24. 24.🔍 Which is the odd one out? (a) switching topic each sum (b) same type, page by page (c) a mixed revision quiz (d) old and new topics mixed
25. 25.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
26. 26.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
27. 27.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) fractions (b) area (c) ratio (d) percentage
28. 28.True or false: “What is 15 out of 60 as a per cent?” needs the ratio method. (a) False (b) True
29. 29.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
30. 30.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) False (b) True
31. 31.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
32. 32.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) False (b) True
33. 33.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) old and new topics mixed (c) one chapter’s sums only (d) all area sums together
34. 34.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) ratio (b) area (c) fractions (d) percentage
35. 35.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) False (b) True
36. 36.🔀 Interleaving means… (a) one topic for weeks (b) mixing different topics (c) reading only (d) skipping hard topics
37. 37.True or false: “all area sums together” is blocked practice (one type only). (a) False (b) True
38. 38.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
39. 39.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) percentage (b) area (c) ratio (d) fractions
40. 40.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False

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