Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 93 · 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.📅 The digits 07101961 are a date: day, month, year. Which chunking shows the date? (a) 07/1019/61 (b) 07/10/1961 (c) 0710/19/61 (d) 071/019/61
2. 2.🔢 You want to remember the number 710269348. Which chunked version keeps every digit in the same order? (a) 710 269 348 (b) 710 293 48 (c) 710 226 9348 (d) 710 269 384
3. 3.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
4. 4.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
5. 5.📅 The digits 28121955 are a date: day, month, year. Which chunking shows the date? (a) 281/219/55 (b) 2812/19/55 (c) 28/12/1955 (d) 28/1219/55
6. 6.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 You want to remember the number 242442195. Which chunked version keeps every digit in the same order? (a) 224 442 195 (b) 424 421 95 (c) 242 442 1955 (d) 242 442 195
8. 8.🔢 You want to remember the number 197809561. Which chunked version keeps every digit in the same order? (a) 917 809 561 (b) 178 095 61 (c) 197 809 561 (d) 199 780 9561
9. 9.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
10. 10.🔢 You want to remember the number 318089858. Which chunked version keeps every digit in the same order? (a) 318 098 858 (b) 380 898 58 (c) 318 808 9858 (d) 318 089 858
11. 11.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
12. 12.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
13. 13.📅 The digits 12101962 are a date: day, month, year. Which chunking shows the date? (a) 121/019/62 (b) 12/10/1962 (c) 12/1019/62 (d) 1210/19/62
14. 14.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 227312932. Which chunked version keeps every digit in the same order? (a) 227 312 932 (b) 223 129 32 (c) 222 731 2932 (d) 227 312 923
16. 16.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 733616908. Which chunked version keeps every digit in the same order? (a) 733 616 908 (b) 733 616 9908 (c) 733 616 08 (d) 733 616 980
18. 18.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) it is a smaller number (d) three chunks, not ten
19. 19.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
20. 20.📅 The digits 08072002 are a date: day, month, year. Which chunking shows the date? (a) 08/07/2002 (b) 08/0720/02 (c) 080/720/02 (d) 0807/20/02
21. 21.📅 The digits 14092002 are a date: day, month, year. Which chunking shows the date? (a) 1409/20/02 (b) 140/920/02 (c) 14/09/2002 (d) 14/0920/02
22. 22.📅 The digits 15021985 are a date: day, month, year. Which chunking shows the date? (a) 1502/19/85 (b) 150/219/85 (c) 15/0219/85 (d) 15/02/1985
23. 23.🔢 You want to remember the number 115071764560. Which chunked version keeps every digit in the same order? (a) 1150 7176 64560 (b) 1150 7176 4560 (c) 1157 1764 560 (d) 1150 7174 6560
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.📅 The digits 09082021 are a date: day, month, year. Which chunking shows the date? (a) 09/0820/21 (b) 090/820/21 (c) 09/08/2021 (d) 0908/20/21
26. 26.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) means something to you (d) has no pattern
27. 27.📅 The digits 25041998 are a date: day, month, year. Which chunking shows the date? (a) 25/04/1998 (b) 2504/19/98 (c) 25/0419/98 (d) 250/419/98
28. 28.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
29. 29.🔢 You want to remember the number 887800427. Which chunked version keeps every digit in the same order? (a) 887 800 427 (b) 887 800 47 (c) 888 700 427 (d) 887 880 0427
30. 30.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.🔢 You want to remember the number 1981699045. Which chunked version keeps every digit in the same order? (a) 198 169 90045 (b) 198 169 9045 (c) 198 169 9054 (d) 198 169 904
32. 32.📅 The digits 14072017 are a date: day, month, year. Which chunking shows the date? (a) 14/0720/17 (b) 140/720/17 (c) 1407/20/17 (d) 14/07/2017
33. 33.📅 The digits 06101995 are a date: day, month, year. Which chunking shows the date? (a) 06/10/1995 (b) 061/019/95 (c) 0610/19/95 (d) 06/1019/95
34. 34.🔢 You want to remember the number 606360824814. Which chunked version keeps every digit in the same order? (a) 6636 0824 814 (b) 6036 6082 4814 (c) 6063 6082 44814 (d) 6063 6082 4814
35. 35.🔢 You want to remember the number 724659550625. Which chunked version keeps every digit in the same order? (a) 2746 5955 0625 (b) 2465 9550 625 (c) 7246 5955 0625 (d) 7724 6595 50625
36. 36.🔢 You want to remember the number 4171598112. Which chunked version keeps every digit in the same order? (a) 417 158 9112 (b) 411 598 112 (c) 417 159 8112 (d) 417 115 98112
37. 37.🔢 You want to remember the number 4910575957. Which chunked version keeps every digit in the same order? (a) 491 057 5957 (b) 491 057 9557 (c) 491 057 59557 (d) 910 575 957
38. 38.📅 The digits 09012002 are a date: day, month, year. Which chunking shows the date? (a) 0901/20/02 (b) 090/120/02 (c) 09/0120/02 (d) 09/01/2002
39. 39.🔢 You want to remember the number 763549522. Which chunked version keeps every digit in the same order? (a) 766 354 9522 (b) 736 549 522 (c) 763 549 522 (d) 763 545 22
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?

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