Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 164 · 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.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
2. 2.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.📅 The digits 14032011 are a date: day, month, year. Which chunking shows the date? (a) 14/03/2011 (b) 1403/20/11 (c) 14/0320/11 (d) 140/320/11
4. 4.🔢 You want to remember the number 239960444. Which chunked version keeps every digit in the same order? (a) 239 960 44 (b) 239 690 444 (c) 239 960 444 (d) 239 960 4444
5. 5.📅 The digits 25021969 are a date: day, month, year. Which chunking shows the date? (a) 2502/19/69 (b) 250/219/69 (c) 25/0219/69 (d) 25/02/1969
6. 6.🔢 You want to remember the number 101961686000. Which chunked version keeps every digit in the same order? (a) 0119 6168 6000 (b) 1019 6168 6000 (c) 1001 9616 86000 (d) 1019 6186 000
7. 7.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.🔢 Chunking works for… (a) only pictures (b) only numbers (c) numbers and letter lists (d) nothing at all
9. 9.📅 The digits 28081957 are a date: day, month, year. Which chunking shows the date? (a) 2808/19/57 (b) 280/819/57 (c) 28/0819/57 (d) 28/08/1957
10. 10.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 194 and 7 (c) 1 and 947 (d) 1 9 4 7
11. 11.📅 The digits 17121952 are a date: day, month, year. Which chunking shows the date? (a) 17/1219/52 (b) 17/12/1952 (c) 1712/19/52 (d) 171/219/52
12. 12.📅 The digits 02071994 are a date: day, month, year. Which chunking shows the date? (a) 020/719/94 (b) 02/0719/94 (c) 0207/19/94 (d) 02/07/1994
13. 13.🔢 You want to remember the number 8291741353. Which chunked version keeps every digit in the same order? (a) 829 174 41353 (b) 829 174 1353 (c) 829 174 353 (d) 289 174 1353
14. 14.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 7760622504. Which chunked version keeps every digit in the same order? (a) 776 062 2504 (b) 776 062 5204 (c) 777 606 22504 (d) 770 622 504
16. 16.📅 The digits 09081983 are a date: day, month, year. Which chunking shows the date? (a) 090/819/83 (b) 09/0819/83 (c) 0908/19/83 (d) 09/08/1983
17. 17.📅 The digits 01012013 are a date: day, month, year. Which chunking shows the date? (a) 010/120/13 (b) 01/0120/13 (c) 0101/20/13 (d) 01/01/2013
18. 18.🔢 You want to remember the number 6061641933. Which chunked version keeps every digit in the same order? (a) 606 164 41933 (b) 606 164 1933 (c) 606 146 1933 (d) 606 164 133
19. 19.📅 The digits 04091952 are a date: day, month, year. Which chunking shows the date? (a) 04/09/1952 (b) 04/0919/52 (c) 0409/19/52 (d) 040/919/52
20. 20.📅 The digits 15032021 are a date: day, month, year. Which chunking shows the date? (a) 150/320/21 (b) 1503/20/21 (c) 15/0320/21 (d) 15/03/2021
21. 21.📅 The digits 10081959 are a date: day, month, year. Which chunking shows the date? (a) 1008/19/59 (b) 10/0819/59 (c) 10/08/1959 (d) 100/819/59
22. 22.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
23. 23.🔢 You want to remember the number 7207485080. Which chunked version keeps every digit in the same order? (a) 720 748 5080 (b) 720 478 5080 (c) 720 748 50880 (d) 720 745 080
24. 24.🔢 You want to remember the number 658543617747. Which chunked version keeps every digit in the same order? (a) 5685 4361 7747 (b) 6585 4336 17747 (c) 6585 4361 777 (d) 6585 4361 7747
25. 25.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it is a smaller number (d) it has fewer digits
26. 26.📅 The digits 13021962 are a date: day, month, year. Which chunking shows the date? (a) 1302/19/62 (b) 130/219/62 (c) 13/0219/62 (d) 13/02/1962
27. 27.📅 The digits 26102004 are a date: day, month, year. Which chunking shows the date? (a) 2610/20/04 (b) 261/020/04 (c) 26/10/2004 (d) 26/1020/04
28. 28.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 3823749010. Which chunked version keeps every digit in the same order? (a) 382 374 010 (b) 382 377 49010 (c) 382 374 9010 (d) 382 347 9010
30. 30.📅 The digits 10082018 are a date: day, month, year. Which chunking shows the date? (a) 1008/20/18 (b) 10/0820/18 (c) 10/08/2018 (d) 100/820/18
31. 31.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
32. 32.🔢 You want to remember the number 616027083. Which chunked version keeps every digit in the same order? (a) 616 070 83 (b) 616 027 0083 (c) 616 027 083 (d) 610 627 083
33. 33.📅 The digits 22011966 are a date: day, month, year. Which chunking shows the date? (a) 2201/19/66 (b) 220/119/66 (c) 22/01/1966 (d) 22/0119/66
34. 34.📅 The digits 19031984 are a date: day, month, year. Which chunking shows the date? (a) 1903/19/84 (b) 19/0319/84 (c) 19/03/1984 (d) 190/319/84
35. 35.🔢 You want to remember the number 1265006169. Which chunked version keeps every digit in the same order? (a) 125 006 169 (b) 126 500 6169 (c) 126 500 61669 (d) 126 500 1669
36. 36.🔢 You want to remember the number 212334485732. Which chunked version keeps every digit in the same order? (a) 2123 3448 57732 (b) 2123 3448 5723 (c) 2233 4485 732 (d) 2123 3448 5732
37. 37.🔢 You want to remember the number 157317299. Which chunked version keeps every digit in the same order? (a) 157 317 29 (b) 157 317 2999 (c) 517 317 299 (d) 157 317 299
38. 38.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
39. 39.🔢 You want to remember the number 763021497. Which chunked version keeps every digit in the same order? (a) 763 021 97 (b) 763 021 479 (c) 763 021 497 (d) 763 302 1497
40. 40.🔢 You want to remember the number 231018141184. Which chunked version keeps every digit in the same order? (a) 2310 8114 1184 (b) 2310 1814 11884 (c) 2310 1814 1184 (d) 2310 8141 184

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