Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 490 · 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 of these is blocked practice (one type only)? (a) only fraction sums (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) old and new topics mixed
2. 2.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
3. 3.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) fractions (b) percentage (c) ratio (d) area
4. 4.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) fractions (b) percentage (c) ratio (d) area
5. 5.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
6. 6.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) False (b) True
7. 7.True or false: “all area sums together” is blocked practice (one type only). (a) True (b) False
8. 8.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
9. 9.True or false: “switching topic each sum” is interleaving (mixed practice). (a) False (b) True
10. 10.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) interleaving (b) blocked practice
11. 11.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) same type, page by page (c) one chapter’s sums only (d) a mixed revision quiz
12. 12.True or false: “one topic all evening” is interleaving (mixed practice). (a) False (b) True
13. 13.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) True (b) False
14. 14.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) bad for learning (c) normal and useful (d) a sign to stop
15. 15.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) old and new topics mixed (d) all area sums together
16. 16.True or false: “What is 3/4 + 1/8?” needs the area method. (a) False (b) True
17. 17.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) one chapter’s sums only (c) a mixed revision quiz (d) algebra and area mixed
18. 18.Which of these is blocked practice (one type only)? (a) one topic all evening (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) old and new topics mixed
19. 19.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) ratio (b) percentage (c) area (d) fractions
20. 20.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the ratio method. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) same type, page by page (b) a shuffled set of sums (c) only fraction sums (d) all area sums together
22. 22.🔀 Why does mixed practice help in exams? (a) it is shorter (b) you practise choosing (c) it needs no thinking (d) it skips topics
23. 23.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
24. 24.🔍 Which is the odd one out? (a) only fraction sums (b) all area sums together (c) one chapter’s sums only (d) switching topic each sum
25. 25.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
26. 26.🔀 When is blocked practice useful? (a) never at all (b) the night before exams (c) for every revision (d) when first learning
27. 27.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
28. 28.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
29. 29.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
30. 30.🔀 Interleaving or blocked practice: only fraction sums? (a) interleaving (b) blocked practice
31. 31.Which of these is interleaving (mixed practice)? (a) all area sums together (b) switching topic each sum (c) one topic all evening (d) one formula, 20 times
32. 32.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) switching topic each sum (c) one formula, 20 times (d) algebra and area mixed
33. 33.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) fractions (b) percentage (c) area (d) ratio
34. 34.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
35. 35.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the fractions method. (a) False (b) True
36. 36.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
37. 37.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the ratio method. (a) True (b) False
38. 38.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
39. 39.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the area method. (a) True (b) False
40. 40.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) True (b) False

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