Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 260 · 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.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 You want to remember the number 115977813. Which chunked version keeps every digit in the same order? (a) 115 977 83 (b) 115 977 7813 (c) 151 977 813 (d) 115 977 813
3. 3.📅 The digits 10122023 are a date: day, month, year. Which chunking shows the date? (a) 101/220/23 (b) 1012/20/23 (c) 10/12/2023 (d) 10/1220/23
4. 4.🔢 You want to remember the number 9542546422. Which chunked version keeps every digit in the same order? (a) 954 246 422 (b) 954 254 6422 (c) 954 225 46422 (d) 594 254 6422
5. 5.🔢 You want to remember the number 682059740. Which chunked version keeps every digit in the same order? (a) 680 259 740 (b) 688 205 9740 (c) 682 059 740 (d) 620 597 40
6. 6.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
7. 7.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
8. 8.🔢 You want to remember the number 673124219273. Which chunked version keeps every digit in the same order? (a) 6731 2421 9273 (b) 6731 2242 19273 (c) 6312 4219 273 (d) 6731 2412 9273
9. 9.🔢 You want to remember the number 422810837. Which chunked version keeps every digit in the same order? (a) 422 810 837 (b) 422 810 8337 (c) 428 108 37 (d) 422 810 873
10. 10.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
12. 12.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
13. 13.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 900852774045. Which chunked version keeps every digit in the same order? (a) 9008 5277 40445 (b) 9008 5277 4045 (c) 9008 5274 7045 (d) 9008 2774 045
15. 15.🔢 You want to remember the number 1382151222. Which chunked version keeps every digit in the same order? (a) 138 215 1222 (b) 138 211 5222 (c) 138 211 51222 (d) 138 215 122
16. 16.🔢 You want to remember the number 7709414224. Which chunked version keeps every digit in the same order? (a) 770 941 4224 (b) 770 941 4242 (c) 770 941 224 (d) 770 941 42224
17. 17.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.📅 The digits 21031987 are a date: day, month, year. Which chunking shows the date? (a) 210/319/87 (b) 21/03/1987 (c) 21/0319/87 (d) 2103/19/87
19. 19.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
20. 20.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) three chunks, not ten (d) it has fewer digits
21. 21.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
22. 22.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 590892831. Which chunked version keeps every digit in the same order? (a) 598 092 831 (b) 590 892 831 (c) 508 928 31 (d) 590 089 2831
25. 25.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 19 and 47 (d) 1 and 947
26. 26.📅 The digits 12042012 are a date: day, month, year. Which chunking shows the date? (a) 120/420/12 (b) 12/04/2012 (c) 1204/20/12 (d) 12/0420/12
27. 27.📅 The digits 23102013 are a date: day, month, year. Which chunking shows the date? (a) 23/10/2013 (b) 23/1020/13 (c) 231/020/13 (d) 2310/20/13
28. 28.🔢 You want to remember the number 661009922. Which chunked version keeps every digit in the same order? (a) 661 009 922 (b) 661 009 9922 (c) 616 009 922 (d) 661 009 92
29. 29.🔢 You want to remember the number 410440937. Which chunked version keeps every digit in the same order? (a) 410 440 937 (b) 410 440 0937 (c) 404 409 37 (d) 410 404 937
30. 30.📅 The digits 23091961 are a date: day, month, year. Which chunking shows the date? (a) 23/09/1961 (b) 23/0919/61 (c) 2309/19/61 (d) 230/919/61
31. 31.🔢 You want to remember the number 302602263. Which chunked version keeps every digit in the same order? (a) 326 022 63 (b) 302 260 2263 (c) 302 620 263 (d) 302 602 263
32. 32.🔢 You want to remember the number 208029290. Which chunked version keeps every digit in the same order? (a) 280 292 90 (b) 208 029 290 (c) 208 209 290 (d) 200 802 9290
33. 33.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.📅 The digits 06021996 are a date: day, month, year. Which chunking shows the date? (a) 06/02/1996 (b) 06/0219/96 (c) 060/219/96 (d) 0602/19/96
35. 35.🔢 You want to remember the number 9352839794. Which chunked version keeps every digit in the same order? (a) 935 239 794 (b) 935 283 7994 (c) 935 283 9794 (d) 935 228 39794
36. 36.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 210011551819. Which chunked version keeps every digit in the same order? (a) 2100 1155 1819 (b) 2100 1151 819 (c) 2100 1155 1189 (d) 2100 1155 51819
38. 38.🔢 You want to remember the number 256141081. Which chunked version keeps every digit in the same order? (a) 256 411 081 (b) 261 410 81 (c) 256 144 1081 (d) 256 141 081
39. 39.📅 The digits 25051982 are a date: day, month, year. Which chunking shows the date? (a) 250/519/82 (b) 25/0519/82 (c) 25/05/1982 (d) 2505/19/82
40. 40.📅 The digits 02091997 are a date: day, month, year. Which chunking shows the date? (a) 02/0919/97 (b) 020/919/97 (c) 02/09/1997 (d) 0209/19/97

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