Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 338 · 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 revision set is interleaved? (a) one percentage page (b) 20 algebra sums only (c) algebra, area, %, mixed (d) area sums only
2. 2.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it needs no thinking (c) you practise choosing (d) it skips topics
3. 3.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) fractions (c) percentage (d) area
4. 4.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) one formula, 20 times (c) only fraction sums (d) a shuffled set of sums
5. 5.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
6. 6.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
7. 7.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
8. 8.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) percentage (b) fractions (c) area (d) ratio
9. 9.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) fraction, %, ratio mixed (c) old and new topics mixed (d) one topic all evening
10. 10.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) all area sums together
11. 11.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
12. 12.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
13. 13.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
14. 14.🔀 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
15. 15.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
16. 16.Which of these is interleaving (mixed practice)? (a) fraction, %, ratio mixed (b) one chapter’s sums only (c) all area sums together (d) one formula, 20 times
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) percentage (b) area (c) fractions (d) ratio
18. 18.True or false: “What is 15 out of 60 as a per cent?” needs the fractions method. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) all area sums together (b) a shuffled set of sums (c) same type, page by page (d) one chapter’s sums only
20. 20.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one topic all evening (c) algebra and area mixed (d) same type, page by page
21. 21.True or false: “Find 20% of 150.” needs the fractions method. (a) True (b) False
22. 22.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
23. 23.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the area method. (a) False (b) True
24. 24.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one topic all evening (c) a mixed revision quiz (d) only fraction sums
26. 26.🔍 Which is the odd one out? (a) old and new topics mixed (b) one formula, 20 times (c) a shuffled set of sums (d) switching topic each sum
27. 27.🔀 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
28. 28.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) old and new topics mixed (c) algebra and area mixed (d) one formula, 20 times
29. 29.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) False (b) True
30. 30.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
31. 31.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
32. 32.🔀 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) ratio (c) area (d) fractions
33. 33.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) same type, page by page (c) one chapter’s sums only (d) one formula, 20 times
34. 34.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
35. 35.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
36. 36.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) fractions (c) percentage (d) area
37. 37.True or false: “switching topic each sum” is interleaving (mixed practice). (a) False (b) True
38. 38.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) True (b) False
39. 39.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) False (b) True
40. 40.🔀 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) ratio (c) fractions (d) area

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