Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 149 · 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 fractions method. (a) True (b) False
2. 2.🔀 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
3. 3.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
4. 4.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
5. 5.Which of these is interleaving (mixed practice)? (a) one chapter’s sums only (b) same type, page by page (c) old and new topics mixed (d) one formula, 20 times
6. 6.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the percentage method. (a) False (b) True
7. 7.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) old and new topics mixed (c) fraction, %, ratio mixed (d) only fraction sums
8. 8.🔀 Mixed practice can feel harder at first. That is… (a) a sign to stop (b) normal and useful (c) a waste of time (d) bad for learning
9. 9.🔀 Interleaving or blocked practice: one formula, 20 times? (a) blocked practice (b) interleaving
10. 10.True or false: “algebra and area mixed” is blocked practice (one type only). (a) True (b) False
11. 11.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the fractions method. (a) False (b) True
12. 12.🔀 Interleaving means… (a) mixing different topics (b) one topic for weeks (c) skipping hard topics (d) reading only
13. 13.🔀 Interleaving or blocked practice: all area sums together? (a) blocked practice (b) interleaving
14. 14.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
15. 15.True or false: “switching topic each sum” is blocked practice (one type only). (a) True (b) False
16. 16.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one chapter’s sums only (c) algebra and area mixed (d) only fraction sums
17. 17.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) ratio (b) fractions (c) percentage (d) area
18. 18.🔍 Which is the odd one out? (a) old and new topics mixed (b) fraction, %, ratio mixed (c) one chapter’s sums only (d) a shuffled set of sums
19. 19.Which of these is interleaving (mixed practice)? (a) same type, page by page (b) one formula, 20 times (c) only fraction sums (d) a shuffled set of sums
20. 20.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
21. 21.🔀 Why does mixed practice help in exams? (a) it skips topics (b) it is shorter (c) it needs no thinking (d) you practise choosing
22. 22.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the ratio method. (a) False (b) True
23. 23.True or false: “old and new topics mixed” is blocked practice (one type only). (a) False (b) True
24. 24.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) algebra and area mixed (c) old and new topics mixed (d) one topic all evening
25. 25.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) one chapter’s sums only (d) fraction, %, ratio mixed
26. 26.🔍 Which is the odd one out? (a) all area sums together (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) old and new topics mixed
27. 27.🔀 When is blocked practice useful? (a) never at all (b) when first learning (c) for every revision (d) the night before exams
28. 28.🔍 Which is the odd one out? (a) one formula, 20 times (b) only fraction sums (c) a shuffled set of sums (d) one topic all evening
29. 29.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the percentage method. (a) False (b) True
30. 30.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) False (b) True
31. 31.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the ratio method. (a) False (b) True
32. 32.True or false: “one topic all evening” is blocked practice (one type only). (a) True (b) False
33. 33.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
34. 34.Which of these is blocked practice (one type only)? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) algebra and area mixed (d) switching topic each sum
35. 35.True or false: “one formula, 20 times” is blocked practice (one type only). (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) a mixed revision quiz (c) a shuffled set of sums (d) one formula, 20 times
37. 37.True or false: “same type, page by page” is interleaving (mixed practice). (a) True (b) False
38. 38.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the area method. (a) True (b) False
39. 39.🔀 Mixed practice: which method does this question need? Order 2/3, 3/5 and 1/2 from smallest. (a) percentage (b) fractions (c) ratio (d) area
40. 40.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving

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