Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 110 · 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 08081951 are a date: day, month, year. Which chunking shows the date? (a) 0808/19/51 (b) 08/08/1951 (c) 080/819/51 (d) 08/0819/51
2. 2.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 194 and 7 (d) 19 and 47
3. 3.🔢 What is chunking? (a) writing it twice (b) reading very fast (c) saying it backwards (d) splitting into groups
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.🔢 You want to remember the number 651197338148. Which chunked version keeps every digit in the same order? (a) 6519 1733 8148 (b) 6511 9733 81448 (c) 6511 9733 148 (d) 6511 9733 8148
6. 6.🔢 You want to remember the number 859910539. Which chunked version keeps every digit in the same order? (a) 855 991 0539 (b) 859 915 39 (c) 589 910 539 (d) 859 910 539
7. 7.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
9. 9.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.📅 The digits 21032017 are a date: day, month, year. Which chunking shows the date? (a) 2103/20/17 (b) 21/03/2017 (c) 210/320/17 (d) 21/0320/17
12. 12.🔢 You want to remember the number 7670185973. Which chunked version keeps every digit in the same order? (a) 776 701 85973 (b) 767 018 5973 (c) 677 018 5973 (d) 767 018 573
13. 13.🔢 You want to remember the number 1918441235. Which chunked version keeps every digit in the same order? (a) 199 184 41235 (b) 191 844 1235 (c) 191 844 2135 (d) 191 844 235
14. 14.📅 The digits 21031963 are a date: day, month, year. Which chunking shows the date? (a) 210/319/63 (b) 2103/19/63 (c) 21/0319/63 (d) 21/03/1963
15. 15.📅 The digits 18021967 are a date: day, month, year. Which chunking shows the date? (a) 180/219/67 (b) 1802/19/67 (c) 18/0219/67 (d) 18/02/1967
16. 16.📅 The digits 08041956 are a date: day, month, year. Which chunking shows the date? (a) 08/0419/56 (b) 080/419/56 (c) 08/04/1956 (d) 0804/19/56
17. 17.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) only pictures (d) numbers and letter lists
18. 18.📅 The digits 11051984 are a date: day, month, year. Which chunking shows the date? (a) 110/519/84 (b) 1105/19/84 (c) 11/0519/84 (d) 11/05/1984
19. 19.📅 The digits 25042021 are a date: day, month, year. Which chunking shows the date? (a) 25/0420/21 (b) 250/420/21 (c) 2504/20/21 (d) 25/04/2021
20. 20.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 628700517. Which chunked version keeps every digit in the same order? (a) 628 070 517 (b) 628 700 517 (c) 628 705 17 (d) 622 870 0517
22. 22.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
23. 23.🔢 You want to remember the number 180611963. Which chunked version keeps every digit in the same order? (a) 810 611 963 (b) 180 611 963 (c) 180 619 63 (d) 180 061 1963
24. 24.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
25. 25.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
26. 26.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
27. 27.🔢 You want to remember the number 642087105235. Which chunked version keeps every digit in the same order? (a) 6420 8710 535 (b) 6420 8710 5235 (c) 6420 8710 55235 (d) 6420 8710 5253
28. 28.🔢 You want to remember the number 2325656056. Which chunked version keeps every digit in the same order? (a) 232 565 6056 (b) 232 566 5056 (c) 232 565 656 (d) 232 566 56056
29. 29.🔢 You want to remember the number 565611051. Which chunked version keeps every digit in the same order? (a) 565 611 051 (b) 656 110 51 (c) 565 661 1051 (d) 655 611 051
30. 30.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.📅 The digits 25111965 are a date: day, month, year. Which chunking shows the date? (a) 2511/19/65 (b) 25/11/1965 (c) 25/1119/65 (d) 251/119/65
33. 33.📅 The digits 16111989 are a date: day, month, year. Which chunking shows the date? (a) 161/119/89 (b) 16/1119/89 (c) 16/11/1989 (d) 1611/19/89
34. 34.🔢 You want to remember the number 128561000. Which chunked version keeps every digit in the same order? (a) 128 561 000 (b) 128 556 1000 (c) 128 516 000 (d) 128 610 00
35. 35.📅 The digits 22062005 are a date: day, month, year. Which chunking shows the date? (a) 22/0620/05 (b) 22/06/2005 (c) 2206/20/05 (d) 220/620/05
36. 36.🔢 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
37. 37.📅 The digits 25062001 are a date: day, month, year. Which chunking shows the date? (a) 2506/20/01 (b) 25/0620/01 (c) 250/620/01 (d) 25/06/2001
38. 38.🔢 You want to remember the number 739921493. Which chunked version keeps every digit in the same order? (a) 739 214 93 (b) 739 921 4493 (c) 739 921 493 (d) 739 921 943
39. 39.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
40. 40.🔢 You want to remember the number 418961231. Which chunked version keeps every digit in the same order? (a) 418 961 213 (b) 418 961 1231 (c) 418 961 231 (d) 189 612 31

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