Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 529 · 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 236270783537. Which chunked version keeps every digit in the same order? (a) 2362 7078 3537 (b) 3627 0783 537 (c) 2362 7707 83537 (d) 2362 7078 3573
2. 2.📅 The digits 04011959 are a date: day, month, year. Which chunking shows the date? (a) 0401/19/59 (b) 04/0119/59 (c) 040/119/59 (d) 04/01/1959
3. 3.🔢 You want to remember the number 512045977. Which chunked version keeps every digit in the same order? (a) 512 045 977 (b) 510 245 977 (c) 512 045 97 (d) 512 004 5977
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) three chunks, not ten (d) it has fewer digits
5. 5.📅 The digits 03081997 are a date: day, month, year. Which chunking shows the date? (a) 03/0819/97 (b) 030/819/97 (c) 0308/19/97 (d) 03/08/1997
6. 6.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
8. 8.📅 The digits 12021995 are a date: day, month, year. Which chunking shows the date? (a) 1202/19/95 (b) 12/02/1995 (c) 12/0219/95 (d) 120/219/95
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
11. 11.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
12. 12.🔢 A chunk is easiest to keep when it… (a) means something to you (b) changes daily (c) is very long (d) has no pattern
13. 13.📅 The digits 03091979 are a date: day, month, year. Which chunking shows the date? (a) 0309/19/79 (b) 030/919/79 (c) 03/0919/79 (d) 03/09/1979
14. 14.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 910928911. Which chunked version keeps every digit in the same order? (a) 190 928 911 (b) 910 928 91 (c) 910 928 9111 (d) 910 928 911
16. 16.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only pictures (d) only numbers
17. 17.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
18. 18.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
19. 19.📅 The digits 25091991 are a date: day, month, year. Which chunking shows the date? (a) 2509/19/91 (b) 250/919/91 (c) 25/0919/91 (d) 25/09/1991
20. 20.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 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
22. 22.🔢 You want to remember the number 208203207. Which chunked version keeps every digit in the same order? (a) 208 203 207 (b) 208 202 307 (c) 220 820 3207 (d) 208 032 07
23. 23.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 3660255114. Which chunked version keeps every digit in the same order? (a) 336 602 55114 (b) 366 055 114 (c) 636 025 5114 (d) 366 025 5114
25. 25.🔢 You want to remember the number 3219642542. Which chunked version keeps every digit in the same order? (a) 321 966 42542 (b) 321 964 2542 (c) 321 942 542 (d) 231 964 2542
26. 26.📅 The digits 03092016 are a date: day, month, year. Which chunking shows the date? (a) 0309/20/16 (b) 030/920/16 (c) 03/0920/16 (d) 03/09/2016
27. 27.📅 The digits 08101956 are a date: day, month, year. Which chunking shows the date? (a) 081/019/56 (b) 0810/19/56 (c) 08/1019/56 (d) 08/10/1956
28. 28.📅 The digits 04052024 are a date: day, month, year. Which chunking shows the date? (a) 0405/20/24 (b) 040/520/24 (c) 04/0520/24 (d) 04/05/2024
29. 29.🔢 You want to remember the number 112229531867. Which chunked version keeps every digit in the same order? (a) 1122 2953 1876 (b) 1122 2931 867 (c) 1122 2295 31867 (d) 1122 2953 1867
30. 30.🔢 You want to remember the number 879453476713. Which chunked version keeps every digit in the same order? (a) 8794 5374 6713 (b) 8794 5534 76713 (c) 8794 5347 6713 (d) 8945 3476 713
31. 31.🔢 You want to remember the number 280995418272. Which chunked version keeps every digit in the same order? (a) 2809 9541 827 (b) 2809 9541 8227 (c) 2809 9541 8272 (d) 2809 9954 18272
32. 32.🔢 You want to remember the number 864364783. Which chunked version keeps every digit in the same order? (a) 864 364 7833 (b) 864 346 783 (c) 864 647 83 (d) 864 364 783
33. 33.📅 The digits 04041978 are a date: day, month, year. Which chunking shows the date? (a) 04/0419/78 (b) 0404/19/78 (c) 040/419/78 (d) 04/04/1978
34. 34.📅 The digits 16102005 are a date: day, month, year. Which chunking shows the date? (a) 1610/20/05 (b) 161/020/05 (c) 16/10/2005 (d) 16/1020/05
35. 35.📅 The digits 06092004 are a date: day, month, year. Which chunking shows the date? (a) 060/920/04 (b) 06/0920/04 (c) 0609/20/04 (d) 06/09/2004
36. 36.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
37. 37.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
39. 39.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
40. 40.📅 The digits 11041990 are a date: day, month, year. Which chunking shows the date? (a) 110/419/90 (b) 11/0419/90 (c) 1104/19/90 (d) 11/04/1990

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