Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 752 · 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 17091975 are a date: day, month, year. Which chunking shows the date? (a) 17/09/1975 (b) 1709/19/75 (c) 170/919/75 (d) 17/0919/75
2. 2.🔢 You want to remember the number 264110000150. Which chunked version keeps every digit in the same order? (a) 2641 1000 0105 (b) 2641 1000 01500 (c) 2641 1000 050 (d) 2641 1000 0150
3. 3.🔢 You want to remember the number 1854603620. Which chunked version keeps every digit in the same order? (a) 185 406 3620 (b) 185 460 36620 (c) 185 603 620 (d) 185 460 3620
4. 4.🔢 You want to remember the number 701099412. Which chunked version keeps every digit in the same order? (a) 701 109 9412 (b) 700 199 412 (c) 701 099 412 (d) 700 994 12
5. 5.🔢 You want to remember the number 385574615421. Which chunked version keeps every digit in the same order? (a) 3855 7461 542 (b) 8355 7461 5421 (c) 3855 5746 15421 (d) 3855 7461 5421
6. 6.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
8. 8.🔢 You want to remember the number 149848621. Which chunked version keeps every digit in the same order? (a) 149 848 621 (b) 149 846 821 (c) 149 848 6211 (d) 148 486 21
9. 9.📅 The digits 27041958 are a date: day, month, year. Which chunking shows the date? (a) 2704/19/58 (b) 27/04/1958 (c) 270/419/58 (d) 27/0419/58
10. 10.🔢 You want to remember the number 868562092789. Which chunked version keeps every digit in the same order? (a) 8688 5620 92789 (b) 6856 2092 789 (c) 8685 6209 2789 (d) 8685 6209 2879
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it is printed bigger (d) it has fewer digits
12. 12.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
13. 13.📅 The digits 12091958 are a date: day, month, year. Which chunking shows the date? (a) 1209/19/58 (b) 12/09/1958 (c) 120/919/58 (d) 12/0919/58
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 203150712132. Which chunked version keeps every digit in the same order? (a) 2031 5072 132 (b) 0231 5071 2132 (c) 2003 1507 12132 (d) 2031 5071 2132
16. 16.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
17. 17.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
18. 18.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
20. 20.🔢 You want to remember the number 3608389829. Which chunked version keeps every digit in the same order? (a) 306 838 9829 (b) 366 083 89829 (c) 608 389 829 (d) 360 838 9829
21. 21.🔢 You want to remember the number 890038129. Which chunked version keeps every digit in the same order? (a) 890 038 219 (b) 890 033 8129 (c) 890 381 29 (d) 890 038 129
22. 22.📅 The digits 06112022 are a date: day, month, year. Which chunking shows the date? (a) 06/11/2022 (b) 0611/20/22 (c) 061/120/22 (d) 06/1120/22
23. 23.📅 The digits 05081981 are a date: day, month, year. Which chunking shows the date? (a) 0508/19/81 (b) 05/0819/81 (c) 05/08/1981 (d) 050/819/81
24. 24.📅 The digits 01022015 are a date: day, month, year. Which chunking shows the date? (a) 01/02/2015 (b) 01/0220/15 (c) 0102/20/15 (d) 010/220/15
25. 25.📅 The digits 17012019 are a date: day, month, year. Which chunking shows the date? (a) 1701/20/19 (b) 17/0120/19 (c) 170/120/19 (d) 17/01/2019
26. 26.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
27. 27.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 and 947 (d) 1 9 4 7
29. 29.🔢 You want to remember the number 170328154. Which chunked version keeps every digit in the same order? (a) 170 328 154 (b) 170 321 54 (c) 170 238 154 (d) 170 332 8154
30. 30.🔢 You want to remember the number 9473315708. Which chunked version keeps every digit in the same order? (a) 947 331 5780 (b) 947 331 55708 (c) 947 331 570 (d) 947 331 5708
31. 31.📅 The digits 22041996 are a date: day, month, year. Which chunking shows the date? (a) 22/0419/96 (b) 2204/19/96 (c) 220/419/96 (d) 22/04/1996
32. 32.📅 The digits 19012021 are a date: day, month, year. Which chunking shows the date? (a) 1901/20/21 (b) 19/0120/21 (c) 190/120/21 (d) 19/01/2021
33. 33.📅 The digits 26071976 are a date: day, month, year. Which chunking shows the date? (a) 26/0719/76 (b) 2607/19/76 (c) 260/719/76 (d) 26/07/1976
34. 34.🔢 You want to remember the number 9277332245. Which chunked version keeps every digit in the same order? (a) 927 733 22245 (b) 927 733 2425 (c) 927 733 2245 (d) 927 733 224
35. 35.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 5401251397. Which chunked version keeps every digit in the same order? (a) 540 125 1397 (b) 541 251 397 (c) 540 112 51397 (d) 450 125 1397
38. 38.🔢 You want to remember the number 212746140. Which chunked version keeps every digit in the same order? (a) 217 461 40 (b) 212 746 140 (c) 212 746 104 (d) 212 774 6140
39. 39.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
40. 40.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?

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