Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 515 · 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.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
2. 2.True or false: “Find 20% of 150.” needs the area method. (a) False (b) True
3. 3.Which of these is interleaving (mixed practice)? (a) all area sums together (b) fraction, %, ratio mixed (c) same type, page by page (d) only fraction sums
4. 4.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
5. 5.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
6. 6.🔀 Interleaving means… (a) skipping hard topics (b) reading only (c) mixing different topics (d) one topic for weeks
7. 7.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) area (b) ratio (c) fractions (d) percentage
8. 8.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it needs no thinking (c) you practise choosing (d) it is shorter
9. 9.True or false: “same type, page by page” is blocked practice (one type only). (a) False (b) True
10. 10.🔍 Which is the odd one out? (a) a mixed revision quiz (b) same type, page by page (c) one formula, 20 times (d) one topic all evening
11. 11.True or false: “What is 3/4 + 1/8?” needs the area method. (a) True (b) False
12. 12.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the fractions method. (a) True (b) False
13. 13.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
14. 14.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) algebra and area mixed (b) switching topic each sum (c) only fraction sums (d) a shuffled set of sums
16. 16.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
17. 17.True or false: “old and new topics mixed” is interleaving (mixed practice). (a) True (b) False
18. 18.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) same type, page by page (c) a mixed revision quiz (d) switching topic each sum
19. 19.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) bad for learning (c) a waste of time (d) a sign to stop
20. 20.🔍 Which is the odd one out? (a) one topic all evening (b) all area sums together (c) one chapter’s sums only (d) old and new topics mixed
21. 21.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the fractions method. (a) False (b) True
22. 22.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) True (b) False
23. 23.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) one formula, 20 times (c) only fraction sums (d) algebra and area mixed
24. 24.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) same type, page by page (c) only fraction sums (d) one topic all evening
25. 25.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
26. 26.🔍 Which is the odd one out? (a) one chapter’s sums only (b) a mixed revision quiz (c) switching topic each sum (d) old and new topics mixed
27. 27.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) one formula, 20 times (c) algebra and area mixed (d) fraction, %, ratio mixed
28. 28.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) fractions (c) ratio (d) percentage
29. 29.🔀 Mixed practice: which method does this question need? Boys to girls is 3 : 4 in a class of 28. How many girls? (a) area (b) ratio (c) percentage (d) fractions
30. 30.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
31. 31.🔀 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
32. 32.True or false: “Find the space inside a square of side 7 cm.” needs the fractions method. (a) True (b) False
33. 33.🔀 When is blocked practice useful? (a) for every revision (b) never at all (c) the night before exams (d) when first learning
34. 34.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) True (b) False
35. 35.True or false: “same type, page by page” is interleaving (mixed practice). (a) True (b) False
36. 36.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) False (b) True
37. 37.🔀 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) percentage (c) fractions (d) area
38. 38.🔍 Which is the odd one out? (a) switching topic each sum (b) all area sums together (c) only fraction sums (d) one chapter’s sums only
39. 39.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
40. 40.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) only fraction sums (c) one formula, 20 times (d) a shuffled set of sums

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