Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 55 · 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) 20 algebra sums only (b) algebra, area, %, mixed (c) one percentage page (d) area sums only
2. 2.🔍 Which is the odd one out? (a) old and new topics mixed (b) algebra and area mixed (c) same type, page by page (d) a shuffled set of sums
3. 3.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
4. 4.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) old and new topics mixed (c) a mixed revision quiz (d) same type, page by page
5. 5.🔍 Which is the odd one out? (a) all area sums together (b) only fraction sums (c) old and new topics mixed (d) one formula, 20 times
6. 6.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) percentage (c) fractions (d) area
7. 7.True or false: “What is 15 out of 60 as a per cent?” needs the area method. (a) False (b) True
8. 8.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) percentage (b) ratio (c) area (d) fractions
9. 9.Which of these is blocked practice (one type only)? (a) only fraction sums (b) switching topic each sum (c) a mixed revision quiz (d) old and new topics mixed
10. 10.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one formula, 20 times (c) one topic all evening (d) a mixed revision quiz
11. 11.Which of these is interleaving (mixed practice)? (a) algebra and area mixed (b) one chapter’s sums only (c) one topic all evening (d) one formula, 20 times
12. 12.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) old and new topics mixed (c) a mixed revision quiz (d) all area sums together
13. 13.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the area method. (a) True (b) False
14. 14.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) skipping hard topics (d) mixing different topics
15. 15.True or false: “one topic all evening” is blocked practice (one type only). (a) False (b) True
16. 16.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) one formula, 20 times (c) only fraction sums (d) old and new topics mixed
17. 17.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
18. 18.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) fractions (b) percentage (c) area (d) ratio
19. 19.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) False (b) True
20. 20.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
21. 21.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) fraction, %, ratio mixed (c) a mixed revision quiz (d) one formula, 20 times
22. 22.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) bad for learning (c) a sign to stop (d) normal and useful
23. 23.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False
24. 24.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) True (b) False
25. 25.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the ratio method. (a) True (b) False
26. 26.Which of these is interleaving (mixed practice)? (a) all area sums together (b) only fraction sums (c) one topic all evening (d) a shuffled set of sums
27. 27.🔍 Which is the odd one out? (a) one formula, 20 times (b) one topic all evening (c) a shuffled set of sums (d) one chapter’s sums only
28. 28.🔀 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) fractions (c) ratio (d) area
29. 29.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
30. 30.True or false: “one formula, 20 times” is blocked practice (one type only). (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a shuffled set of sums (c) old and new topics mixed (d) one topic all evening
32. 32.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
33. 33.True or false: “same type, page by page” is blocked practice (one type only). (a) False (b) True
34. 34.🔀 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) fractions (c) area (d) percentage
35. 35.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
36. 36.🔍 Which is the odd one out? (a) algebra and area mixed (b) same type, page by page (c) only fraction sums (d) one formula, 20 times
37. 37.True or false: “Find 20% of 150.” needs the fractions method. (a) False (b) True
38. 38.True or false: “What is 3/4 + 1/8?” needs the ratio method. (a) True (b) False
39. 39.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the fractions method. (a) True (b) False
40. 40.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) percentage (b) fractions (c) area (d) ratio

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