Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 986 · 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 824380441. Which chunked version keeps every digit in the same order? (a) 824 388 0441 (b) 824 830 441 (c) 243 804 41 (d) 824 380 441
2. 2.🔢 You want to remember the number 1618839837. Which chunked version keeps every digit in the same order? (a) 168 839 837 (b) 161 883 9837 (c) 161 883 98837 (d) 611 883 9837
3. 3.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) means something to you (d) changes daily
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) three chunks, not ten (d) it is printed bigger
5. 5.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.📅 The digits 06011977 are a date: day, month, year. Which chunking shows the date? (a) 060/119/77 (b) 06/01/1977 (c) 0601/19/77 (d) 06/0119/77
7. 7.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 1500729468. Which chunked version keeps every digit in the same order? (a) 100 729 468 (b) 150 072 9486 (c) 150 077 29468 (d) 150 072 9468
9. 9.🔢 You want to remember the number 4036024132. Which chunked version keeps every digit in the same order? (a) 403 660 24132 (b) 403 602 4123 (c) 403 602 132 (d) 403 602 4132
10. 10.📅 The digits 24061973 are a date: day, month, year. Which chunking shows the date? (a) 24/06/1973 (b) 240/619/73 (c) 2406/19/73 (d) 24/0619/73
11. 11.📅 The digits 01061972 are a date: day, month, year. Which chunking shows the date? (a) 0106/19/72 (b) 01/0619/72 (c) 010/619/72 (d) 01/06/1972
12. 12.🔢 You want to remember the number 453539942. Which chunked version keeps every digit in the same order? (a) 453 533 9942 (b) 435 539 942 (c) 455 399 42 (d) 453 539 942
13. 13.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) numbers and letter lists (d) only pictures
15. 15.📅 The digits 25061990 are a date: day, month, year. Which chunking shows the date? (a) 25/0619/90 (b) 250/619/90 (c) 25/06/1990 (d) 2506/19/90
16. 16.📅 The digits 06091995 are a date: day, month, year. Which chunking shows the date? (a) 060/919/95 (b) 06/0919/95 (c) 06/09/1995 (d) 0609/19/95
17. 17.📅 The digits 16041996 are a date: day, month, year. Which chunking shows the date? (a) 16/04/1996 (b) 1604/19/96 (c) 160/419/96 (d) 16/0419/96
18. 18.🔢 You want to remember the number 2680470440. Which chunked version keeps every digit in the same order? (a) 268 407 0440 (b) 266 804 70440 (c) 268 047 0440 (d) 268 040 440
19. 19.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.📅 The digits 21112022 are a date: day, month, year. Which chunking shows the date? (a) 21/1120/22 (b) 2111/20/22 (c) 211/120/22 (d) 21/11/2022
21. 21.📅 The digits 07102022 are a date: day, month, year. Which chunking shows the date? (a) 07/10/2022 (b) 07/1020/22 (c) 071/020/22 (d) 0710/20/22
22. 22.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.📅 The digits 26041990 are a date: day, month, year. Which chunking shows the date? (a) 2604/19/90 (b) 26/0419/90 (c) 26/04/1990 (d) 260/419/90
24. 24.📅 The digits 19012020 are a date: day, month, year. Which chunking shows the date? (a) 190/120/20 (b) 1901/20/20 (c) 19/01/2020 (d) 19/0120/20
25. 25.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
29. 29.🔢 You want to remember the number 225627782059. Which chunked version keeps every digit in the same order? (a) 2256 2778 2059 (b) 2262 7782 059 (c) 2256 2777 82059 (d) 2256 2772 8059
30. 30.🔢 You want to remember the number 2846295687. Which chunked version keeps every digit in the same order? (a) 284 629 56877 (b) 284 629 568 (c) 284 629 5687 (d) 286 429 5687
31. 31.🔢 You want to remember the number 3984488550. Which chunked version keeps every digit in the same order? (a) 398 448 8550 (b) 398 448 550 (c) 938 448 8550 (d) 339 844 88550
32. 32.📅 The digits 04011966 are a date: day, month, year. Which chunking shows the date? (a) 0401/19/66 (b) 04/0119/66 (c) 040/119/66 (d) 04/01/1966
33. 33.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
34. 34.📅 The digits 27111999 are a date: day, month, year. Which chunking shows the date? (a) 27/1119/99 (b) 271/119/99 (c) 27/11/1999 (d) 2711/19/99
35. 35.📅 The digits 04042024 are a date: day, month, year. Which chunking shows the date? (a) 0404/20/24 (b) 04/0420/24 (c) 040/420/24 (d) 04/04/2024
36. 36.📅 The digits 28041960 are a date: day, month, year. Which chunking shows the date? (a) 280/419/60 (b) 28/04/1960 (c) 28/0419/60 (d) 2804/19/60
37. 37.📅 The digits 06021975 are a date: day, month, year. Which chunking shows the date? (a) 060/219/75 (b) 0602/19/75 (c) 06/0219/75 (d) 06/02/1975
38. 38.🔢 You want to remember the number 371763297982. Which chunked version keeps every digit in the same order? (a) 3717 6239 7982 (b) 3717 6329 792 (c) 3717 6329 97982 (d) 3717 6329 7982
39. 39.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
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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