Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 223 · 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 25011959 are a date: day, month, year. Which chunking shows the date? (a) 25/0119/59 (b) 250/119/59 (c) 2501/19/59 (d) 25/01/1959
2. 2.📅 The digits 18091992 are a date: day, month, year. Which chunking shows the date? (a) 18/0919/92 (b) 180/919/92 (c) 1809/19/92 (d) 18/09/1992
3. 3.🔢 You want to remember the number 6305342589. Which chunked version keeps every digit in the same order? (a) 630 534 25889 (b) 603 534 2589 (c) 630 534 2589 (d) 635 342 589
4. 4.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) numbers and letter lists (d) only pictures
5. 5.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.📅 The digits 13101960 are a date: day, month, year. Which chunking shows the date? (a) 1310/19/60 (b) 13/1019/60 (c) 13/10/1960 (d) 131/019/60
7. 7.📅 The digits 10101993 are a date: day, month, year. Which chunking shows the date? (a) 101/019/93 (b) 10/10/1993 (c) 10/1019/93 (d) 1010/19/93
8. 8.📅 The digits 04051974 are a date: day, month, year. Which chunking shows the date? (a) 040/519/74 (b) 0405/19/74 (c) 04/0519/74 (d) 04/05/1974
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
10. 10.📅 The digits 10041997 are a date: day, month, year. Which chunking shows the date? (a) 10/0419/97 (b) 100/419/97 (c) 1004/19/97 (d) 10/04/1997
11. 11.📅 The digits 03081991 are a date: day, month, year. Which chunking shows the date? (a) 03/0819/91 (b) 030/819/91 (c) 0308/19/91 (d) 03/08/1991
12. 12.📅 The digits 05052022 are a date: day, month, year. Which chunking shows the date? (a) 0505/20/22 (b) 05/0520/22 (c) 050/520/22 (d) 05/05/2022
13. 13.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
14. 14.🔢 You want to remember the number 935894833. Which chunked version keeps every digit in the same order? (a) 935 894 383 (b) 935 848 33 (c) 993 589 4833 (d) 935 894 833
15. 15.📅 The digits 05012001 are a date: day, month, year. Which chunking shows the date? (a) 050/120/01 (b) 05/01/2001 (c) 0501/20/01 (d) 05/0120/01
16. 16.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
17. 17.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.🔢 You want to remember the number 929514599266. Which chunked version keeps every digit in the same order? (a) 9295 1499 266 (b) 9295 1459 9626 (c) 9929 5145 99266 (d) 9295 1459 9266
20. 20.📅 The digits 09111979 are a date: day, month, year. Which chunking shows the date? (a) 0911/19/79 (b) 091/119/79 (c) 09/11/1979 (d) 09/1119/79
21. 21.📅 The digits 23041991 are a date: day, month, year. Which chunking shows the date? (a) 230/419/91 (b) 23/04/1991 (c) 2304/19/91 (d) 23/0419/91
22. 22.🔢 You want to remember the number 629616160. Which chunked version keeps every digit in the same order? (a) 629 661 6160 (b) 629 616 160 (c) 629 661 160 (d) 626 161 60
23. 23.🔢 You want to remember the number 3711986995. Which chunked version keeps every digit in the same order? (a) 317 198 6995 (b) 371 119 86995 (c) 371 196 995 (d) 371 198 6995
24. 24.🔢 You want to remember the number 458672929812. Which chunked version keeps every digit in the same order? (a) 4586 7729 29812 (b) 5486 7292 9812 (c) 4586 2929 812 (d) 4586 7292 9812
25. 25.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
26. 26.🔢 You want to remember the number 322024339. Which chunked version keeps every digit in the same order? (a) 232 024 339 (b) 320 243 39 (c) 322 024 339 (d) 322 024 3399
27. 27.📅 The digits 24122023 are a date: day, month, year. Which chunking shows the date? (a) 24/1220/23 (b) 24/12/2023 (c) 241/220/23 (d) 2412/20/23
28. 28.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
29. 29.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) means something to you (d) has no pattern
30. 30.🔢 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
31. 31.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 You want to remember the number 451091586. Which chunked version keeps every digit in the same order? (a) 415 091 586 (b) 451 109 1586 (c) 451 091 586 (d) 451 095 86
33. 33.📅 The digits 08041996 are a date: day, month, year. Which chunking shows the date? (a) 08/0419/96 (b) 080/419/96 (c) 0804/19/96 (d) 08/04/1996
34. 34.📅 The digits 18121959 are a date: day, month, year. Which chunking shows the date? (a) 1812/19/59 (b) 181/219/59 (c) 18/12/1959 (d) 18/1219/59
35. 35.🔢 You want to remember the number 989597600. Which chunked version keeps every digit in the same order? (a) 998 597 600 (b) 989 597 600 (c) 989 576 00 (d) 989 597 7600
36. 36.📅 The digits 10041988 are a date: day, month, year. Which chunking shows the date? (a) 100/419/88 (b) 1004/19/88 (c) 10/0419/88 (d) 10/04/1988
37. 37.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 2052535467. Which chunked version keeps every digit in the same order? (a) 205 253 5467 (b) 052 535 467 (c) 205 523 5467 (d) 205 525 35467
39. 39.📅 The digits 10121984 are a date: day, month, year. Which chunking shows the date? (a) 10/12/1984 (b) 101/219/84 (c) 10/1219/84 (d) 1012/19/84
40. 40.📅 The digits 24061989 are a date: day, month, year. Which chunking shows the date? (a) 240/619/89 (b) 24/0619/89 (c) 2406/19/89 (d) 24/06/1989

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