Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 728 · 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 07021953 are a date: day, month, year. Which chunking shows the date? (a) 0702/19/53 (b) 070/219/53 (c) 07/0219/53 (d) 07/02/1953
2. 2.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 1 and 947 (d) 194 and 7
3. 3.🔢 You want to remember the number 723708798529. Which chunked version keeps every digit in the same order? (a) 7237 0879 85229 (b) 7237 0879 8529 (c) 7237 0879 859 (d) 7237 0879 8259
4. 4.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
6. 6.📅 The digits 04112007 are a date: day, month, year. Which chunking shows the date? (a) 041/120/07 (b) 0411/20/07 (c) 04/11/2007 (d) 04/1120/07
7. 7.🔢 You want to remember the number 522408232200. Which chunked version keeps every digit in the same order? (a) 5224 4082 32200 (b) 5240 8232 200 (c) 5224 0823 2200 (d) 5224 0823 2020
8. 8.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) numbers and letter lists (d) only pictures
9. 9.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
10. 10.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) means something to you (d) has no pattern
11. 11.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.🔢 You want to remember the number 961623111. Which chunked version keeps every digit in the same order? (a) 961 632 111 (b) 961 231 11 (c) 961 623 111 (d) 996 162 3111
13. 13.🔢 You want to remember the number 6271269585. Which chunked version keeps every digit in the same order? (a) 627 126 9585 (b) 627 216 9585 (c) 662 712 69585 (d) 627 126 958
14. 14.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 5025826282. Which chunked version keeps every digit in the same order? (a) 520 582 6282 (b) 502 582 26282 (c) 502 582 6282 (d) 502 582 682
16. 16.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 368504091972. Which chunked version keeps every digit in the same order? (a) 3685 0409 19772 (b) 3685 0409 1972 (c) 3685 0490 1972 (d) 3850 4091 972
18. 18.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.📅 The digits 05051962 are a date: day, month, year. Which chunking shows the date? (a) 050/519/62 (b) 05/0519/62 (c) 05/05/1962 (d) 0505/19/62
20. 20.🔢 You want to remember the number 244112374. Which chunked version keeps every digit in the same order? (a) 244 112 374 (b) 244 411 2374 (c) 241 123 74 (d) 244 112 734
21. 21.🔢 You want to remember the number 172771404048. Which chunked version keeps every digit in the same order? (a) 1727 1740 4048 (b) 1727 1404 048 (c) 1727 7714 04048 (d) 1727 7140 4048
22. 22.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
24. 24.📅 The digits 02031990 are a date: day, month, year. Which chunking shows the date? (a) 02/03/1990 (b) 02/0319/90 (c) 0203/19/90 (d) 020/319/90
25. 25.🔢 You want to remember the number 614392958. Which chunked version keeps every digit in the same order? (a) 614 392 958 (b) 613 929 58 (c) 614 392 9958 (d) 614 392 598
26. 26.📅 The digits 02091963 are a date: day, month, year. Which chunking shows the date? (a) 0209/19/63 (b) 02/09/1963 (c) 020/919/63 (d) 02/0919/63
27. 27.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it has fewer digits (d) it is a smaller number
28. 28.📅 The digits 22061963 are a date: day, month, year. Which chunking shows the date? (a) 220/619/63 (b) 22/0619/63 (c) 2206/19/63 (d) 22/06/1963
29. 29.🔢 You want to remember the number 417774050032. Which chunked version keeps every digit in the same order? (a) 4177 7450 0032 (b) 4177 7405 00032 (c) 4177 7405 003 (d) 4177 7405 0032
30. 30.🔢 You want to remember the number 5185957786. Which chunked version keeps every digit in the same order? (a) 518 597 786 (b) 518 955 7786 (c) 518 559 57786 (d) 518 595 7786
31. 31.📅 The digits 14112021 are a date: day, month, year. Which chunking shows the date? (a) 14/1120/21 (b) 1411/20/21 (c) 141/120/21 (d) 14/11/2021
32. 32.📅 The digits 25022009 are a date: day, month, year. Which chunking shows the date? (a) 2502/20/09 (b) 25/0220/09 (c) 250/220/09 (d) 25/02/2009
33. 33.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.📅 The digits 26021966 are a date: day, month, year. Which chunking shows the date? (a) 2602/19/66 (b) 26/02/1966 (c) 26/0219/66 (d) 260/219/66
35. 35.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
37. 37.📅 The digits 12072004 are a date: day, month, year. Which chunking shows the date? (a) 12/07/2004 (b) 1207/20/04 (c) 12/0720/04 (d) 120/720/04
38. 38.📅 The digits 11022016 are a date: day, month, year. Which chunking shows the date? (a) 110/220/16 (b) 1102/20/16 (c) 11/02/2016 (d) 11/0220/16
39. 39.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
40. 40.📅 The digits 04101969 are a date: day, month, year. Which chunking shows the date? (a) 041/019/69 (b) 0410/19/69 (c) 04/1019/69 (d) 04/10/1969

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