Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 404 · 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.🔀 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) ratio (c) fractions (d) percentage
2. 2.🔍 Which is the odd one out? (a) one formula, 20 times (b) all area sums together (c) one topic all evening (d) a mixed revision quiz
3. 3.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
4. 4.🔀 Interleaving means… (a) one topic for weeks (b) skipping hard topics (c) reading only (d) mixing different topics
5. 5.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) ratio (b) area (c) fractions (d) percentage
6. 6.🔍 Which is the odd one out? (a) switching topic each sum (b) only fraction sums (c) fraction, %, ratio mixed (d) a shuffled set of sums
7. 7.🔍 Which is the odd one out? (a) a shuffled set of sums (b) switching topic each sum (c) all area sums together (d) old and new topics mixed
8. 8.🔀 Why does mixed practice help in exams? (a) it is shorter (b) it skips topics (c) you practise choosing (d) it needs no thinking
9. 9.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) 20 algebra sums only (c) area sums only (d) one percentage page
10. 10.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) ratio (b) percentage (c) area (d) fractions
11. 11.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) area (c) percentage (d) fractions
12. 12.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) percentage (b) area (c) fractions (d) ratio
13. 13.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) one topic all evening (c) one chapter’s sums only (d) only fraction sums
14. 14.🔍 Which is the odd one out? (a) one formula, 20 times (b) only fraction sums (c) a shuffled set of sums (d) same type, page by page
15. 15.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
16. 16.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) interleaving (b) blocked practice
17. 17.🔀 When is blocked practice useful? (a) when first learning (b) never at all (c) for every revision (d) the night before exams
18. 18.Which of these is blocked practice (one type only)? (a) switching topic each sum (b) old and new topics mixed (c) algebra and area mixed (d) one topic all evening
19. 19.🔀 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) percentage (c) area (d) fractions
20. 20.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
21. 21.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
22. 22.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
23. 23.True or false: “Find the space inside a square of side 7 cm.” needs the fractions method. (a) False (b) True
24. 24.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
25. 25.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) one formula, 20 times (c) a mixed revision quiz (d) all area sums together
26. 26.🔀 Mixed practice can feel harder at first. That is… (a) normal and useful (b) a waste of time (c) bad for learning (d) a sign to stop
27. 27.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) all area sums together (b) old and new topics mixed (c) one chapter’s sums only (d) one formula, 20 times
29. 29.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) one chapter’s sums only (d) switching topic each sum
30. 30.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) percentage (b) ratio (c) area (d) fractions
31. 31.🔀 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
32. 32.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
33. 33.True or false: “one chapter’s sums only” is blocked practice (one type only). (a) False (b) True
34. 34.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) area (b) fractions (c) ratio (d) percentage
35. 35.True or false: “one formula, 20 times” is blocked practice (one type only). (a) True (b) False
36. 36.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
37. 37.🔀 Interleaving or blocked practice: old and new topics mixed? (a) blocked practice (b) interleaving
38. 38.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) True (b) False
39. 39.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
40. 40.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) percentage (b) area (c) fractions (d) ratio

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