Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 108 · 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.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 07111998 are a date: day, month, year. Which chunking shows the date? (a) 0711/19/98 (b) 071/119/98 (c) 07/1119/98 (d) 07/11/1998
3. 3.🔢 You want to remember the number 708127642825. Which chunked version keeps every digit in the same order? (a) 7708 1276 42825 (b) 7081 2746 2825 (c) 7081 2764 285 (d) 7081 2764 2825
4. 4.🔢 You want to remember the number 774622118324. Which chunked version keeps every digit in the same order? (a) 7774 6221 18324 (b) 7746 2211 8324 (c) 7746 2218 1324 (d) 7462 2118 324
5. 5.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 You want to remember the number 304376021942. Which chunked version keeps every digit in the same order? (a) 3403 7602 1942 (b) 3043 7602 1942 (c) 3043 7600 21942 (d) 3043 7602 142
7. 7.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) only pictures (d) nothing at all
8. 8.📅 The digits 28111984 are a date: day, month, year. Which chunking shows the date? (a) 28/1119/84 (b) 2811/19/84 (c) 28/11/1984 (d) 281/119/84
9. 9.📅 The digits 26091993 are a date: day, month, year. Which chunking shows the date? (a) 26/0919/93 (b) 26/09/1993 (c) 260/919/93 (d) 2609/19/93
10. 10.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
11. 11.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) changes daily (d) is very long
13. 13.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) it is printed bigger (d) three chunks, not ten
14. 14.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
15. 15.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 You want to remember the number 321799640107. Which chunked version keeps every digit in the same order? (a) 3279 9640 107 (b) 3221 7996 40107 (c) 3219 7964 0107 (d) 3217 9964 0107
18. 18.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) splitting into groups (d) saying it backwards
20. 20.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 2732845399. Which chunked version keeps every digit in the same order? (a) 273 284 5399 (b) 273 284 539 (c) 273 284 55399 (d) 273 284 5939
22. 22.📅 The digits 08041988 are a date: day, month, year. Which chunking shows the date? (a) 08/0419/88 (b) 08/04/1988 (c) 080/419/88 (d) 0804/19/88
23. 23.📅 The digits 22081979 are a date: day, month, year. Which chunking shows the date? (a) 2208/19/79 (b) 22/08/1979 (c) 220/819/79 (d) 22/0819/79
24. 24.📅 The digits 06091982 are a date: day, month, year. Which chunking shows the date? (a) 0609/19/82 (b) 06/0919/82 (c) 060/919/82 (d) 06/09/1982
25. 25.🔢 You want to remember the number 474906502. Which chunked version keeps every digit in the same order? (a) 474 960 502 (b) 474 906 5022 (c) 474 906 502 (d) 474 906 50
26. 26.📅 The digits 05122005 are a date: day, month, year. Which chunking shows the date? (a) 0512/20/05 (b) 05/12/2005 (c) 05/1220/05 (d) 051/220/05
27. 27.📅 The digits 28011971 are a date: day, month, year. Which chunking shows the date? (a) 28/0119/71 (b) 2801/19/71 (c) 28/01/1971 (d) 280/119/71
28. 28.📅 The digits 28041967 are a date: day, month, year. Which chunking shows the date? (a) 280/419/67 (b) 28/04/1967 (c) 28/0419/67 (d) 2804/19/67
29. 29.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
30. 30.🔢 You want to remember the number 1049619286. Which chunked version keeps every digit in the same order? (a) 104 961 19286 (b) 104 961 9286 (c) 149 619 286 (d) 104 916 9286
31. 31.📅 The digits 02022010 are a date: day, month, year. Which chunking shows the date? (a) 02/02/2010 (b) 02/0220/10 (c) 020/220/10 (d) 0202/20/10
32. 32.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 9412186643. Which chunked version keeps every digit in the same order? (a) 941 218 86643 (b) 941 218 6643 (c) 941 281 6643 (d) 941 218 643
34. 34.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
35. 35.🔢 You want to remember the number 5028547437. Which chunked version keeps every digit in the same order? (a) 502 854 77437 (b) 502 854 7437 (c) 502 847 437 (d) 502 854 7347
36. 36.🔢 You want to remember the number 918303711. Which chunked version keeps every digit in the same order? (a) 918 300 3711 (b) 918 037 11 (c) 918 303 711 (d) 918 303 171
37. 37.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 760018835. Which chunked version keeps every digit in the same order? (a) 760 018 835 (b) 760 088 35 (c) 760 018 8335 (d) 760 081 835
39. 39.🔢 You want to remember the number 148512992090. Which chunked version keeps every digit in the same order? (a) 1485 1299 2090 (b) 4851 2992 090 (c) 1485 1292 9090 (d) 1148 5129 92090
40. 40.📅 The digits 09051962 are a date: day, month, year. Which chunking shows the date? (a) 09/05/1962 (b) 09/0519/62 (c) 0905/19/62 (d) 090/519/62

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