Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 177 · 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.🔍 Which is the odd one out? (a) only fraction sums (b) a shuffled set of sums (c) switching topic each sum (d) algebra and area mixed
2. 2.True or false: “Find 20% of 150.” needs the ratio method. (a) True (b) False
3. 3.True or false: “one chapter’s sums only” is interleaving (mixed practice). (a) False (b) True
4. 4.True or false: “Find the space inside a square of side 7 cm.” needs the area method. (a) True (b) False
5. 5.🔀 Mixed practice can feel harder at first. That is… (a) bad for learning (b) a sign to stop (c) a waste of time (d) normal and useful
6. 6.True or false: “Find the space inside a square of side 7 cm.” needs the ratio method. (a) False (b) True
7. 7.True or false: “Boys to girls is 3 : 4 in a class of 28. How many girls?” needs the area method. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) only fraction sums (b) algebra and area mixed (c) same type, page by page (d) one formula, 20 times
9. 9.🔍 Which is the odd one out? (a) fraction, %, ratio mixed (b) one formula, 20 times (c) switching topic each sum (d) old and new topics mixed
10. 10.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) interleaving (b) blocked practice
11. 11.Which of these is interleaving (mixed practice)? (a) a shuffled set of sums (b) only fraction sums (c) one topic all evening (d) all area sums together
12. 12.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) False (b) True
13. 13.🔀 Interleaving means… (a) reading only (b) mixing different topics (c) one topic for weeks (d) skipping hard topics
14. 14.🔀 Why does mixed practice help in exams? (a) you practise choosing (b) it skips topics (c) it is shorter (d) it needs no thinking
15. 15.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) False (b) True
16. 16.🔍 Which is the odd one out? (a) old and new topics mixed (b) switching topic each sum (c) a shuffled set of sums (d) all area sums together
17. 17.🔍 Which is the odd one out? (a) switching topic each sum (b) fraction, %, ratio mixed (c) a shuffled set of sums (d) same type, page by page
18. 18.🔀 Interleaving or blocked practice: switching topic each sum? (a) blocked practice (b) interleaving
19. 19.Which of these is blocked practice (one type only)? (a) a shuffled set of sums (b) a mixed revision quiz (c) only fraction sums (d) old and new topics mixed
20. 20.🔍 Which is the odd one out? (a) one formula, 20 times (b) one topic all evening (c) a shuffled set of sums (d) one chapter’s sums only
21. 21.True or false: “a mixed revision quiz” is blocked practice (one type only). (a) True (b) False
22. 22.True or false: “switching topic each sum” is interleaving (mixed practice). (a) False (b) True
23. 23.Which of these is blocked practice (one type only)? (a) old and new topics mixed (b) one formula, 20 times (c) a shuffled set of sums (d) fraction, %, ratio mixed
24. 24.🔍 Which is the odd one out? (a) one topic all evening (b) switching topic each sum (c) one formula, 20 times (d) only fraction sums
25. 25.True or false: “only fraction sums” is interleaving (mixed practice). (a) False (b) True
26. 26.🔀 Interleaving or blocked practice: a shuffled set of sums? (a) blocked practice (b) interleaving
27. 27.🔀 Which revision set is interleaved? (a) area sums only (b) algebra, area, %, mixed (c) 20 algebra sums only (d) one percentage page
28. 28.🔀 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
29. 29.True or false: “algebra and area mixed” is blocked practice (one type only). (a) False (b) True
30. 30.🔀 Interleaving or blocked practice: fraction, %, ratio mixed? (a) blocked practice (b) interleaving
31. 31.🔀 Mixed practice: which method does this question need? Find 20% of 150. (a) ratio (b) percentage (c) fractions (d) area
32. 32.True or false: “A room is 4 m by 5 m. How much floor is there?” needs the percentage method. (a) True (b) False
33. 33.🔀 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
34. 34.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) True (b) False
35. 35.🔀 Interleaving or blocked practice: one formula, 20 times? (a) blocked practice (b) interleaving
36. 36.🔀 Interleaving or blocked practice: only fraction sums? (a) blocked practice (b) interleaving
37. 37.True or false: “Order 2/3, 3/5 and 1/2 from smallest.” needs the fractions method. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) one chapter’s sums only (b) only fraction sums (c) fraction, %, ratio mixed (d) same type, page by page
39. 39.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) fractions (b) percentage (c) area (d) ratio
40. 40.True or false: “Mix juice and water 2 : 3. How much water for 4 cups of juice?” needs the fractions method. (a) False (b) True

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