Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 462 · 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 22071964 are a date: day, month, year. Which chunking shows the date? (a) 220/719/64 (b) 22/0719/64 (c) 2207/19/64 (d) 22/07/1964
2. 2.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.📅 The digits 12061970 are a date: day, month, year. Which chunking shows the date? (a) 1206/19/70 (b) 120/619/70 (c) 12/0619/70 (d) 12/06/1970
4. 4.📅 The digits 08011985 are a date: day, month, year. Which chunking shows the date? (a) 08/0119/85 (b) 08/01/1985 (c) 080/119/85 (d) 0801/19/85
5. 5.📅 The digits 08101963 are a date: day, month, year. Which chunking shows the date? (a) 08/10/1963 (b) 0810/19/63 (c) 081/019/63 (d) 08/1019/63
6. 6.📅 The digits 26052012 are a date: day, month, year. Which chunking shows the date? (a) 26/0520/12 (b) 2605/20/12 (c) 260/520/12 (d) 26/05/2012
7. 7.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) saying it backwards (d) splitting into groups
8. 8.🔢 You want to remember the number 116336809419. Which chunked version keeps every digit in the same order? (a) 1163 3680 9419 (b) 1136 3680 9419 (c) 1116 3368 09419 (d) 1163 6809 419
9. 9.🔢 You want to remember the number 990520326570. Which chunked version keeps every digit in the same order? (a) 9990 5203 26570 (b) 9905 2032 6570 (c) 9905 2032 670 (d) 9902 5032 6570
10. 10.🔢 You want to remember the number 212894097. Which chunked version keeps every digit in the same order? (a) 212 894 907 (b) 212 894 0977 (c) 212 940 97 (d) 212 894 097
11. 11.🔢 You want to remember the number 5801879234. Which chunked version keeps every digit in the same order? (a) 580 187 234 (b) 580 187 99234 (c) 580 187 9234 (d) 580 178 9234
12. 12.📅 The digits 23011960 are a date: day, month, year. Which chunking shows the date? (a) 2301/19/60 (b) 23/0119/60 (c) 230/119/60 (d) 23/01/1960
13. 13.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
14. 14.📅 The digits 17021995 are a date: day, month, year. Which chunking shows the date? (a) 1702/19/95 (b) 17/0219/95 (c) 17/02/1995 (d) 170/219/95
15. 15.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
16. 16.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
17. 17.📅 The digits 02092005 are a date: day, month, year. Which chunking shows the date? (a) 020/920/05 (b) 02/0920/05 (c) 0209/20/05 (d) 02/09/2005
18. 18.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.📅 The digits 03111967 are a date: day, month, year. Which chunking shows the date? (a) 03/1119/67 (b) 0311/19/67 (c) 031/119/67 (d) 03/11/1967
20. 20.🔢 You want to remember the number 290927834174. Which chunked version keeps every digit in the same order? (a) 2290 9278 34174 (b) 2990 2783 4174 (c) 2909 2734 174 (d) 2909 2783 4174
21. 21.📅 The digits 20021961 are a date: day, month, year. Which chunking shows the date? (a) 20/02/1961 (b) 2002/19/61 (c) 200/219/61 (d) 20/0219/61
22. 22.📅 The digits 17112002 are a date: day, month, year. Which chunking shows the date? (a) 17/1120/02 (b) 1711/20/02 (c) 17/11/2002 (d) 171/120/02
23. 23.🔢 You want to remember the number 5214244590. Which chunked version keeps every digit in the same order? (a) 522 142 44590 (b) 521 424 4590 (c) 521 244 4590 (d) 214 244 590
24. 24.📅 The digits 05011995 are a date: day, month, year. Which chunking shows the date? (a) 050/119/95 (b) 05/01/1995 (c) 05/0119/95 (d) 0501/19/95
25. 25.🔢 You want to remember the number 6513439255. Which chunked version keeps every digit in the same order? (a) 665 134 39255 (b) 651 343 9255 (c) 651 349 3255 (d) 651 343 925
26. 26.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 194 and 7 (d) 1 and 947
29. 29.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
30. 30.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
31. 31.📅 The digits 27012014 are a date: day, month, year. Which chunking shows the date? (a) 270/120/14 (b) 27/0120/14 (c) 2701/20/14 (d) 27/01/2014
32. 32.📅 The digits 03021972 are a date: day, month, year. Which chunking shows the date? (a) 030/219/72 (b) 0302/19/72 (c) 03/0219/72 (d) 03/02/1972
33. 33.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
35. 35.📅 The digits 27072014 are a date: day, month, year. Which chunking shows the date? (a) 27/0720/14 (b) 27/07/2014 (c) 2707/20/14 (d) 270/720/14
36. 36.📅 The digits 08081959 are a date: day, month, year. Which chunking shows the date? (a) 080/819/59 (b) 08/08/1959 (c) 08/0819/59 (d) 0808/19/59
37. 37.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) three chunks, not ten (c) it has fewer digits (d) it is a smaller number
38. 38.📅 The digits 09021967 are a date: day, month, year. Which chunking shows the date? (a) 0902/19/67 (b) 09/0219/67 (c) 09/02/1967 (d) 090/219/67
39. 39.🔢 You want to remember the number 706000789565. Which chunked version keeps every digit in the same order? (a) 7060 0087 9565 (b) 7060 0078 956 (c) 7060 0078 9565 (d) 7060 0077 89565
40. 40.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?

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