Study Skills Worksheet: Interleaving

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

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