Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 400 · 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? Share ₹60 between two friends in the ratio 1 : 2. (a) fractions (b) area (c) percentage (d) ratio
2. 2.Which of these is blocked practice (one type only)? (a) algebra and area mixed (b) a mixed revision quiz (c) one chapter’s sums only (d) old and new topics mixed
3. 3.🔀 Interleaving or blocked practice: one topic all evening? (a) blocked practice (b) interleaving
4. 4.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) same type, page by page (c) all area sums together (d) switching topic each sum
5. 5.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) percentage (b) area (c) ratio (d) fractions
6. 6.🔀 Why does mixed practice help in exams? (a) it is shorter (b) you practise choosing (c) it needs no thinking (d) it skips topics
7. 7.True or false: “switching topic each sum” is interleaving (mixed practice). (a) True (b) False
8. 8.🔀 Interleaving or blocked practice: same type, page by page? (a) interleaving (b) blocked practice
9. 9.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
10. 10.Which of these is blocked practice (one type only)? (a) one formula, 20 times (b) a mixed revision quiz (c) fraction, %, ratio mixed (d) algebra and area mixed
11. 11.🔍 Which is the odd one out? (a) one formula, 20 times (b) all area sums together (c) only fraction sums (d) a mixed revision quiz
12. 12.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
13. 13.🔀 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) area (c) fractions (d) percentage
14. 14.🔀 Interleaving means… (a) one topic for weeks (b) reading only (c) mixing different topics (d) skipping hard topics
15. 15.True or false: “all area sums together” is blocked practice (one type only). (a) False (b) True
16. 16.🔀 Mixed practice can feel harder at first. That is… (a) bad for learning (b) normal and useful (c) a sign to stop (d) a waste of time
17. 17.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) fraction, %, ratio mixed (c) switching topic each sum (d) all area sums together
18. 18.True or false: “a shuffled set of sums” is blocked practice (one type only). (a) True (b) False
19. 19.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
20. 20.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) percentage (b) area (c) ratio (d) fractions
21. 21.True or false: “Half a cake was eaten, then a quarter of the rest. What part was eaten?” needs the fractions method. (a) False (b) True
22. 22.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) False (b) True
23. 23.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
24. 24.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
25. 25.True or false: “same type, page by page” is blocked practice (one type only). (a) True (b) False
26. 26.🔀 Which revision set is interleaved? (a) algebra, area, %, mixed (b) area sums only (c) one percentage page (d) 20 algebra sums only
27. 27.🔍 Which is the odd one out? (a) switching topic each sum (b) a mixed revision quiz (c) all area sums together (d) old and new topics mixed
28. 28.🔀 Mixed practice: which method does this question need? What is 3/4 + 1/8? (a) ratio (b) area (c) percentage (d) fractions
29. 29.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the ratio method. (a) False (b) True
30. 30.True or false: “one formula, 20 times” is blocked practice (one type only). (a) False (b) True
31. 31.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) True (b) False
32. 32.True or false: “Share ₹60 between two friends in the ratio 1 : 2.” needs the area method. (a) True (b) False
33. 33.🔀 Interleaving or blocked practice: one formula, 20 times? (a) interleaving (b) blocked practice
34. 34.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
35. 35.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
36. 36.True or false: “algebra and area mixed” is interleaving (mixed practice). (a) False (b) True
37. 37.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) percentage (b) area (c) fractions (d) ratio
38. 38.🔍 Which is the odd one out? (a) only fraction sums (b) a shuffled set of sums (c) fraction, %, ratio mixed (d) algebra and area mixed
39. 39.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
40. 40.🔀 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) area (c) ratio (d) percentage

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