Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 306 · 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.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 1 9 4 7 (d) 194 and 7
2. 2.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
3. 3.🔢 You want to remember the number 839818158672. Which chunked version keeps every digit in the same order? (a) 3898 1815 8672 (b) 8398 8158 672 (c) 8398 1815 58672 (d) 8398 1815 8672
4. 4.📅 The digits 01122004 are a date: day, month, year. Which chunking shows the date? (a) 01/1220/04 (b) 011/220/04 (c) 0112/20/04 (d) 01/12/2004
5. 5.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
7. 7.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
8. 8.📅 The digits 10032016 are a date: day, month, year. Which chunking shows the date? (a) 10/03/2016 (b) 10/0320/16 (c) 1003/20/16 (d) 100/320/16
9. 9.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
10. 10.🔢 You want to remember the number 4398052963. Which chunked version keeps every digit in the same order? (a) 438 905 2963 (b) 439 805 2963 (c) 439 805 52963 (d) 439 802 963
11. 11.🔢 You want to remember the number 798704966. Which chunked version keeps every digit in the same order? (a) 798 704 9966 (b) 987 049 66 (c) 798 704 966 (d) 978 704 966
12. 12.🔢 You want to remember the number 921807593. Which chunked version keeps every digit in the same order? (a) 291 807 593 (b) 921 807 593 (c) 918 075 93 (d) 921 807 5993
13. 13.🔢 You want to remember the number 4602261265. Which chunked version keeps every digit in the same order? (a) 460 262 1265 (b) 460 261 265 (c) 460 226 12265 (d) 460 226 1265
14. 14.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
15. 15.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
16. 16.🔢 You want to remember the number 1477362071. Which chunked version keeps every digit in the same order? (a) 147 773 62071 (b) 147 736 2071 (c) 477 362 071 (d) 174 736 2071
17. 17.🔢 You want to remember the number 989245024. Which chunked version keeps every digit in the same order? (a) 998 924 5024 (b) 892 450 24 (c) 989 245 024 (d) 899 245 024
18. 18.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
19. 19.🔢 You want to remember the number 552943745. Which chunked version keeps every digit in the same order? (a) 552 947 345 (b) 552 943 7455 (c) 529 437 45 (d) 552 943 745
20. 20.📅 The digits 10031953 are a date: day, month, year. Which chunking shows the date? (a) 10/0319/53 (b) 10/03/1953 (c) 1003/19/53 (d) 100/319/53
21. 21.📅 The digits 07051955 are a date: day, month, year. Which chunking shows the date? (a) 07/05/1955 (b) 070/519/55 (c) 07/0519/55 (d) 0705/19/55
22. 22.📅 The digits 27092014 are a date: day, month, year. Which chunking shows the date? (a) 270/920/14 (b) 2709/20/14 (c) 27/0920/14 (d) 27/09/2014
23. 23.🔢 You want to remember the number 118231695. Which chunked version keeps every digit in the same order? (a) 118 231 65 (b) 111 823 1695 (c) 118 231 695 (d) 118 236 195
24. 24.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.📅 The digits 11061969 are a date: day, month, year. Which chunking shows the date? (a) 110/619/69 (b) 11/0619/69 (c) 1106/19/69 (d) 11/06/1969
26. 26.🔢 You want to remember the number 369243412540. Which chunked version keeps every digit in the same order? (a) 3692 4412 540 (b) 3692 4344 12540 (c) 3692 4342 1540 (d) 3692 4341 2540
27. 27.📅 The digits 14121955 are a date: day, month, year. Which chunking shows the date? (a) 14/12/1955 (b) 141/219/55 (c) 14/1219/55 (d) 1412/19/55
28. 28.🔢 You want to remember the number 291418085. Which chunked version keeps every digit in the same order? (a) 291 410 85 (b) 291 148 085 (c) 291 418 8085 (d) 291 418 085
29. 29.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it has fewer digits (c) three chunks, not ten (d) it is a smaller number
30. 30.🔢 You want to remember the number 531374098553. Which chunked version keeps every digit in the same order? (a) 5313 7409 8553 (b) 5313 7408 553 (c) 5313 7440 98553 (d) 3513 7409 8553
31. 31.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.📅 The digits 06092024 are a date: day, month, year. Which chunking shows the date? (a) 0609/20/24 (b) 06/0920/24 (c) 06/09/2024 (d) 060/920/24
33. 33.🔢 You want to remember the number 1981449725. Which chunked version keeps every digit in the same order? (a) 198 144 49725 (b) 198 149 725 (c) 198 144 9725 (d) 198 149 4725
34. 34.📅 The digits 21022007 are a date: day, month, year. Which chunking shows the date? (a) 21/0220/07 (b) 210/220/07 (c) 21/02/2007 (d) 2102/20/07
35. 35.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
36. 36.🔢 You want to remember the number 619810765598. Which chunked version keeps every digit in the same order? (a) 6198 1067 5598 (b) 6198 1076 559 (c) 6619 8107 65598 (d) 6198 1076 5598
37. 37.🔢 You want to remember the number 378980620. Which chunked version keeps every digit in the same order? (a) 378 980 620 (b) 378 806 20 (c) 337 898 0620 (d) 378 908 620
38. 38.🔢 You want to remember the number 251111015. Which chunked version keeps every digit in the same order? (a) 251 111 015 (b) 251 111 1015 (c) 251 110 15 (d) 251 111 051
39. 39.📅 The digits 27081963 are a date: day, month, year. Which chunking shows the date? (a) 27/0819/63 (b) 2708/19/63 (c) 27/08/1963 (d) 270/819/63
40. 40.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?

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