Study Skills Worksheet: Interleaving

Exam preparation lesson 11: Interleaving (mixed practice) · Set 181 · 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 of these is interleaving (mixed practice)? (a) algebra and area mixed (b) one topic all evening (c) one formula, 20 times (d) only fraction sums
2. 2.Which of these is interleaving (mixed practice)? (a) one topic all evening (b) all area sums together (c) only fraction sums (d) fraction, %, ratio mixed
3. 3.🔀 Mixed practice: which method does this question need? Find the space inside a square of side 7 cm. (a) fractions (b) ratio (c) area (d) percentage
4. 4.Which of these is interleaving (mixed practice)? (a) only fraction sums (b) a shuffled set of sums (c) one chapter’s sums only (d) one topic all evening
5. 5.True or false: “What is 3/4 + 1/8?” needs the area method. (a) False (b) True
6. 6.True or false: “one formula, 20 times” is interleaving (mixed practice). (a) False (b) True
7. 7.🔀 Interleaving or blocked practice: one chapter’s sums only? (a) blocked practice (b) interleaving
8. 8.True or false: “Find 20% of 150.” needs the percentage method. (a) True (b) False
9. 9.Which of these is blocked practice (one type only)? (a) a mixed revision quiz (b) algebra and area mixed (c) fraction, %, ratio mixed (d) one formula, 20 times
10. 10.🔍 Which is the odd one out? (a) one chapter’s sums only (b) one formula, 20 times (c) a shuffled set of sums (d) only fraction sums
11. 11.🔀 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) ratio (c) percentage (d) area
12. 12.🔀 Interleaving or blocked practice: old and new topics mixed? (a) interleaving (b) blocked practice
13. 13.🔀 Why does mixed practice help in exams? (a) it needs no thinking (b) it skips topics (c) you practise choosing (d) it is shorter
14. 14.🔀 Mixed practice: which method does this question need? What is 15 out of 60 as a per cent? (a) fractions (b) area (c) ratio (d) percentage
15. 15.🔀 Mixed practice: which method does this question need? A shirt costs ₹400 with 10% off. Find the discount. (a) fractions (b) area (c) ratio (d) percentage
16. 16.True or false: “fraction, %, ratio mixed” is blocked practice (one type only). (a) True (b) False
17. 17.🔀 Interleaving or blocked practice: same type, page by page? (a) blocked practice (b) interleaving
18. 18.🔀 Mixed practice: which method does this question need? Share ₹60 between two friends in the ratio 1 : 2. (a) ratio (b) fractions (c) percentage (d) area
19. 19.🔀 Mixed practice: which method does this question need? How many 1 m square tiles cover a 3 m by 6 m patio? (a) fractions (b) ratio (c) percentage (d) area
20. 20.True or false: “switching topic each sum” is blocked practice (one type only). (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a shuffled set of sums (b) a mixed revision quiz (c) old and new topics mixed (d) one chapter’s sums only
22. 22.🔀 Interleaving or blocked practice: a mixed revision quiz? (a) blocked practice (b) interleaving
23. 23.True or false: “Find the space inside a square of side 7 cm.” needs the percentage method. (a) False (b) True
24. 24.True or false: “A shirt costs ₹400 with 10% off. Find the discount.” needs the area method. (a) True (b) False
25. 25.🔀 Interleaving or blocked practice: all area sums together? (a) interleaving (b) blocked practice
26. 26.🔀 Interleaving or blocked practice: switching topic each sum? (a) interleaving (b) blocked practice
27. 27.True or false: “same type, page by page” is interleaving (mixed practice). (a) False (b) True
28. 28.Which of these is blocked practice (one type only)? (a) one chapter’s sums only (b) a shuffled set of sums (c) switching topic each sum (d) algebra and area mixed
29. 29.🔀 Interleaving or blocked practice: one topic all evening? (a) interleaving (b) blocked practice
30. 30.True or false: “one topic all evening” is interleaving (mixed practice). (a) False (b) True
31. 31.True or false: “a shuffled set of sums” is interleaving (mixed practice). (a) True (b) False
32. 32.True or false: “What is 3/4 + 1/8?” needs the percentage method. (a) False (b) True
33. 33.Which of these is interleaving (mixed practice)? (a) one formula, 20 times (b) one chapter’s sums only (c) old and new topics mixed (d) only fraction sums
34. 34.True or false: “What is 3/4 + 1/8?” needs the fractions method. (a) True (b) False
35. 35.True or false: “fraction, %, ratio mixed” is interleaving (mixed practice). (a) True (b) False
36. 36.Which of these is interleaving (mixed practice)? (a) switching topic each sum (b) one formula, 20 times (c) same type, page by page (d) one topic all evening
37. 37.🔀 Mixed practice: which method does this question need? Half a cake was eaten, then a quarter of the rest. What part was eaten? (a) percentage (b) ratio (c) fractions (d) area
38. 38.🔀 Mixed practice can feel harder at first. That is… (a) a waste of time (b) normal and useful (c) bad for learning (d) a sign to stop
39. 39.🔀 Mixed practice: which method does this question need? A room is 4 m by 5 m. How much floor is there? (a) area (b) percentage (c) ratio (d) fractions
40. 40.Which of these is blocked practice (one type only)? (a) same type, page by page (b) algebra and area mixed (c) fraction, %, ratio mixed (d) switching topic each sum

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