Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 806 · 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 28071984 are a date: day, month, year. Which chunking shows the date? (a) 28/07/1984 (b) 28/0719/84 (c) 2807/19/84 (d) 280/719/84
2. 2.🔢 Chunking works for… (a) only numbers (b) nothing at all (c) numbers and letter lists (d) only pictures
3. 3.🔢 You want to remember the number 457382970. Which chunked version keeps every digit in the same order? (a) 457 382 9700 (b) 457 382 970 (c) 573 829 70 (d) 453 782 970
4. 4.🔢 You want to remember the number 9841180184. Which chunked version keeps every digit in the same order? (a) 984 111 80184 (b) 984 118 0184 (c) 981 418 0184 (d) 984 118 014
5. 5.📅 The digits 26091968 are a date: day, month, year. Which chunking shows the date? (a) 26/09/1968 (b) 2609/19/68 (c) 260/919/68 (d) 26/0919/68
6. 6.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 You want to remember the number 207114795209. Which chunked version keeps every digit in the same order? (a) 2701 1479 5209 (b) 2711 4795 209 (c) 2071 1479 5209 (d) 2071 1147 95209
8. 8.📅 The digits 13112023 are a date: day, month, year. Which chunking shows the date? (a) 13/1120/23 (b) 13/11/2023 (c) 131/120/23 (d) 1311/20/23
9. 9.🔢 You want to remember the number 242562966. Which chunked version keeps every digit in the same order? (a) 242 256 2966 (b) 225 629 66 (c) 422 562 966 (d) 242 562 966
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.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
12. 12.📅 The digits 11081974 are a date: day, month, year. Which chunking shows the date? (a) 1108/19/74 (b) 11/08/1974 (c) 11/0819/74 (d) 110/819/74
13. 13.📅 The digits 05022024 are a date: day, month, year. Which chunking shows the date? (a) 050/220/24 (b) 05/0220/24 (c) 05/02/2024 (d) 0502/20/24
14. 14.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 262968953. Which chunked version keeps every digit in the same order? (a) 269 689 53 (b) 262 969 853 (c) 262 996 8953 (d) 262 968 953
16. 16.🔢 You want to remember the number 9796235532. Which chunked version keeps every digit in the same order? (a) 979 632 5532 (b) 796 235 532 (c) 979 623 5532 (d) 979 623 55532
17. 17.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 You want to remember the number 136226392012. Which chunked version keeps every digit in the same order? (a) 1362 2369 2012 (b) 3622 6392 012 (c) 1362 2639 2012 (d) 1136 2263 92012
19. 19.🔢 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
20. 20.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) splitting into groups (d) writing it twice
21. 21.🔢 You want to remember the number 857110830. Which chunked version keeps every digit in the same order? (a) 857 110 830 (b) 857 108 30 (c) 875 110 830 (d) 885 711 0830
22. 22.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
23. 23.📅 The digits 01091954 are a date: day, month, year. Which chunking shows the date? (a) 010/919/54 (b) 01/0919/54 (c) 0109/19/54 (d) 01/09/1954
24. 24.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) it is a smaller number (d) three chunks, not ten
25. 25.📅 The digits 09012025 are a date: day, month, year. Which chunking shows the date? (a) 09/0120/25 (b) 090/120/25 (c) 09/01/2025 (d) 0901/20/25
26. 26.🔢 You want to remember the number 4366262106. Which chunked version keeps every digit in the same order? (a) 346 626 2106 (b) 436 626 2106 (c) 436 262 106 (d) 436 626 21006
27. 27.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
28. 28.🔢 You want to remember the number 829297499500. Which chunked version keeps every digit in the same order? (a) 8292 9749 500 (b) 8922 9749 9500 (c) 8292 9749 9500 (d) 8829 2974 99500
29. 29.🔢 You want to remember the number 621018019. Which chunked version keeps every digit in the same order? (a) 621 018 019 (b) 622 101 8019 (c) 621 018 091 (d) 620 180 19
30. 30.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 03082025 are a date: day, month, year. Which chunking shows the date? (a) 0308/20/25 (b) 03/08/2025 (c) 030/820/25 (d) 03/0820/25
32. 32.🔢 You want to remember the number 216085046. Which chunked version keeps every digit in the same order? (a) 216 085 046 (b) 216 080 546 (c) 260 850 46 (d) 216 608 5046
33. 33.📅 The digits 07051999 are a date: day, month, year. Which chunking shows the date? (a) 070/519/99 (b) 07/0519/99 (c) 07/05/1999 (d) 0705/19/99
34. 34.🔢 Instead of holding 8 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 4299638418. Which chunked version keeps every digit in the same order? (a) 429 963 8148 (b) 429 963 84188 (c) 429 938 418 (d) 429 963 8418
36. 36.📅 The digits 17082007 are a date: day, month, year. Which chunking shows the date? (a) 1708/20/07 (b) 17/08/2007 (c) 17/0820/07 (d) 170/820/07
37. 37.📅 The digits 25031964 are a date: day, month, year. Which chunking shows the date? (a) 25/03/1964 (b) 250/319/64 (c) 25/0319/64 (d) 2503/19/64
38. 38.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
39. 39.📅 The digits 20122023 are a date: day, month, year. Which chunking shows the date? (a) 2012/20/23 (b) 20/1220/23 (c) 20/12/2023 (d) 201/220/23
40. 40.📅 The digits 04051999 are a date: day, month, year. Which chunking shows the date? (a) 04/0519/99 (b) 0405/19/99 (c) 04/05/1999 (d) 040/519/99

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