Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 124 · 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: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the percentage method. (a) True (b) False
2. 2.🔍 Which is the odd one out? (a) same type, page by page (b) only fraction sums (c) one formula, 20 times (d) a shuffled set of sums
3. 3.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) ratio (b) area (c) percentage (d) fractions
4. 4.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it needs no thinking (c) you practise choosing (d) it is shorter
5. 5.Which of these is interleaving (mixed practice)? (a) all area sums together (b) one formula, 20 times (c) one chapter’s sums only (d) fraction, %, ratio mixed
6. 6.🔀 Which revision set is interleaved? (a) 20 algebra sums only (b) algebra, area, %, mixed (c) one percentage page (d) area sums only
7. 7.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
8. 8.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) old and new topics mixed (c) only fraction sums (d) all area sums together
9. 9.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one topic all evening (c) same type, page by page (d) algebra and area mixed
10. 10.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) percentage (c) area (d) fractions
11. 11.🔀 Interleaving means… (a) mixing different topics (b) skipping hard topics (c) one topic for weeks (d) reading only
12. 12.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) all area sums together (c) old and new topics mixed (d) a shuffled set of sums
13. 13.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) percentage (b) ratio (c) area (d) fractions
14. 14.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) ratio (b) percentage (c) fractions (d) area
15. 15.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
16. 16.True or false: “all area sums together” is interleaving (mixed practice). (a) True (b) False
17. 17.True or false: “only fraction sums” is blocked practice (one type only). (a) True (b) False
18. 18.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) switching topic each sum (c) fraction, %, ratio mixed (d) one topic all evening
19. 19.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
20. 20.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
21. 21.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) True (b) False
22. 22.True or false: “a mixed revision quiz” is interleaving (mixed practice). (a) False (b) True
23. 23.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) algebra and area mixed (c) one topic all evening (d) switching topic each sum
24. 24.True or false: “same type, page by page” is blocked practice (one type only). (a) False (b) True
25. 25.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) False (b) True
26. 26.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False
27. 27.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) area (b) percentage (c) fractions (d) ratio
28. 28.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
29. 29.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) area (b) percentage (c) fractions (d) ratio
30. 30.🔍 Which is the odd one out? (a) one chapter’s sums only (b) algebra and area mixed (c) only fraction sums (d) all area sums together
31. 31.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) same type, page by page (c) a mixed revision quiz (d) a shuffled set of sums
32. 32.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) area (b) percentage (c) ratio (d) fractions
33. 33.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
34. 34.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) old and new topics mixed
35. 35.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) fractions (b) percentage (c) ratio (d) area
36. 36.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) area (b) percentage (c) fractions (d) ratio
37. 37.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
38. 38.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
39. 39.🔍 Which is the odd one out? (a) all area sums together (b) fraction, %, ratio mixed (c) a mixed revision quiz (d) algebra and area mixed
40. 40.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

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