Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 679 · 40 questions

Memory tip (Fewer, bigger pieces): Split long numbers into groups of 3 or 4: a 10-digit phone number as 3-3-4; a 12-digit number as 4-4-4. Dates: 2 digits for the day, 2 for the month, 4 for the year: 26011950 → 26/01/1950. Check every digit stays in the same order — chunks group digits, they never change them.

1. 1.🔢 You want to remember the number 758564025. Which chunked version keeps every digit in the same order? (a) 758 856 4025 (b) 758 564 205 (c) 758 564 025 (d) 758 564 02
2. 2.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
4. 4.🔢 You want to remember the number 105408220277. Which chunked version keeps every digit in the same order? (a) 1054 0822 077 (b) 1054 4082 20277 (c) 1054 0822 0277 (d) 1045 0822 0277
5. 5.📅 The digits 02071995 are a date: day, month, year. Which chunking shows the date? (a) 020/719/95 (b) 02/0719/95 (c) 0207/19/95 (d) 02/07/1995
6. 6.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
7. 7.📅 The digits 10061957 are a date: day, month, year. Which chunking shows the date? (a) 10/06/1957 (b) 10/0619/57 (c) 1006/19/57 (d) 100/619/57
8. 8.🔢 You want to remember the number 952511717. Which chunked version keeps every digit in the same order? (a) 952 151 717 (b) 995 251 1717 (c) 952 511 717 (d) 952 511 17
9. 9.📅 The digits 04031967 are a date: day, month, year. Which chunking shows the date? (a) 0403/19/67 (b) 04/03/1967 (c) 040/319/67 (d) 04/0319/67
10. 10.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
11. 11.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
12. 12.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
13. 13.🔢 A chunk is easiest to keep when it… (a) means something to you (b) changes daily (c) is very long (d) has no pattern
14. 14.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is a smaller number (c) it is printed bigger (d) it has fewer digits
15. 15.🔢 You want to remember the number 423204002. Which chunked version keeps every digit in the same order? (a) 423 204 002 (b) 423 240 02 (c) 442 320 4002 (d) 423 204 020
16. 16.🔢 You want to remember the number 5221262623. Which chunked version keeps every digit in the same order? (a) 522 126 623 (b) 522 126 2623 (c) 522 122 6623 (d) 522 126 26623
17. 17.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 5212069984. Which chunked version keeps every digit in the same order? (a) 521 209 6984 (b) 521 206 984 (c) 521 206 99984 (d) 521 206 9984
19. 19.🔢 You want to remember the number 2778138150. Which chunked version keeps every digit in the same order? (a) 277 813 8150 (b) 277 838 150 (c) 277 813 88150 (d) 277 813 8510
20. 20.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 887000389663. Which chunked version keeps every digit in the same order? (a) 8870 0083 9663 (b) 8870 0038 966 (c) 8870 0038 96663 (d) 8870 0038 9663
22. 22.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
23. 23.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 250534689558. Which chunked version keeps every digit in the same order? (a) 5053 4689 558 (b) 2500 5346 89558 (c) 2503 5468 9558 (d) 2505 3468 9558
28. 28.📅 The digits 21101960 are a date: day, month, year. Which chunking shows the date? (a) 2110/19/60 (b) 21/1019/60 (c) 211/019/60 (d) 21/10/1960
29. 29.🔢 You want to remember the number 1943952340. Which chunked version keeps every digit in the same order? (a) 149 395 2340 (b) 193 952 340 (c) 194 395 2340 (d) 194 439 52340
30. 30.🔢 You want to remember the number 9508676885. Which chunked version keeps every digit in the same order? (a) 950 867 6885 (b) 950 867 68885 (c) 950 876 6885 (d) 950 867 885
31. 31.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
32. 32.🔢 You want to remember the number 902982984. Which chunked version keeps every digit in the same order? (a) 902 982 984 (b) 902 982 2984 (c) 920 982 984 (d) 902 982 84
33. 33.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
34. 34.📅 The digits 07041950 are a date: day, month, year. Which chunking shows the date? (a) 070/419/50 (b) 07/04/1950 (c) 07/0419/50 (d) 0704/19/50
35. 35.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
36. 36.🔢 You want to remember the number 555221791. Which chunked version keeps every digit in the same order? (a) 555 522 1791 (b) 555 221 71 (c) 552 521 791 (d) 555 221 791
37. 37.🔢 You want to remember the number 281084787. Which chunked version keeps every digit in the same order? (a) 281 084 778 (b) 281 084 7787 (c) 281 084 787 (d) 281 087 87
38. 38.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
39. 39.🔢 You want to remember the number 998640031032. Which chunked version keeps every digit in the same order? (a) 9998 6400 31032 (b) 9896 4003 1032 (c) 9986 4003 1032 (d) 9986 4001 032
40. 40.📅 The digits 05111983 are a date: day, month, year. Which chunking shows the date? (a) 051/119/83 (b) 0511/19/83 (c) 05/1119/83 (d) 05/11/1983

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