Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 566 · 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.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it is shorter (c) it skips topics (d) it needs no thinking
2. 2.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
3. 3.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one topic all evening (c) only fraction sums (d) a shuffled set of sums
4. 4.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one topic all evening (c) one formula, 20 times (d) all area sums together
5. 5.🔀 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) fractions (c) ratio (d) area
6. 6.True or false: “old and new topics mixed” is blocked practice (one type only). (a) True (b) False
7. 7.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the fractions method. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) algebra and area mixed (b) all area sums together (c) one chapter’s sums only (d) one topic all evening
9. 9.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
10. 10.🔍 Which is the odd one out? (a) one chapter’s sums only (b) all area sums together (c) switching topic each sum (d) one topic all evening
11. 11.🔀 When is blocked practice useful? (a) the night before exams (b) when first learning (c) for every revision (d) never at all
12. 12.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) area (b) percentage (c) ratio (d) fractions
13. 13.🔍 Which is the odd one out? (a) switching topic each sum (b) algebra and area mixed (c) old and new topics mixed (d) all area sums together
14. 14.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) old and new topics mixed (b) same type, page by page (c) algebra and area mixed (d) switching topic each sum
16. 16.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) area (b) ratio (c) fractions (d) percentage
17. 17.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
18. 18.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) a sign to stop (c) bad for learning (d) normal and useful
19. 19.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) fractions (b) area (c) ratio (d) percentage
20. 20.True or false: “switching topic each sum” is interleaving (mixed practice). (a) True (b) False
21. 21.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) area (c) percentage (d) fractions
22. 22.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
23. 23.🔍 Which is the odd one out? (a) one formula, 20 times (b) one topic all evening (c) fraction, %, ratio mixed (d) only fraction sums
24. 24.🔍 Which is the odd one out? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) switching topic each sum (d) one chapter’s sums only
25. 25.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) a mixed revision quiz (c) all area sums together (d) one topic all evening
26. 26.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
27. 27.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) percentage (b) ratio (c) fractions (d) area
28. 28.True or false: “What is 15 out of 60 as a per cent?” needs the percentage method. (a) False (b) True
29. 29.🔀 Interleaving or blocked practice: algebra and area mixed? (a) interleaving (b) blocked practice
30. 30.🔀 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
31. 31.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) area (b) ratio (c) fractions (d) percentage
32. 32.True or false: “one topic all evening” is interleaving (mixed practice). (a) False (b) True
33. 33.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
34. 34.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) ratio (b) percentage (c) area (d) fractions
35. 35.🔀 Mixed practice: which method does this question need? Mix juice and water 2 : 3. How much water for 4 cups of juice? (a) ratio (b) area (c) fractions (d) percentage
36. 36.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
37. 37.🔍 Which is the odd one out? (a) algebra and area mixed (b) one topic all evening (c) a shuffled set of sums (d) fraction, %, ratio mixed
38. 38.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) fractions (b) area (c) ratio (d) percentage
39. 39.🔍 Which is the odd one out? (a) a shuffled set of sums (b) one chapter’s sums only (c) only fraction sums (d) one formula, 20 times
40. 40.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) switching topic each sum (d) one formula, 20 times

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