Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 747 · 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 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 and 947 (c) 194 and 7 (d) 1 9 4 7
3. 3.🔢 You want to remember the number 640323847. Which chunked version keeps every digit in the same order? (a) 403 238 47 (b) 644 032 3847 (c) 640 323 847 (d) 604 323 847
4. 4.🔢 You want to remember the number 846429325822. Which chunked version keeps every digit in the same order? (a) 8464 2935 2822 (b) 8464 2932 5822 (c) 8464 2925 822 (d) 8464 2932 58222
5. 5.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
6. 6.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
7. 7.🔢 Chunking works for… (a) only numbers (b) only pictures (c) nothing at all (d) numbers and letter lists
8. 8.🔢 You want to remember the number 2654010246. Which chunked version keeps every digit in the same order? (a) 254 010 246 (b) 265 410 0246 (c) 265 401 02466 (d) 265 401 0246
9. 9.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.🔢 You want to remember the number 423666853226. Which chunked version keeps every digit in the same order? (a) 4236 6685 3226 (b) 4236 6653 226 (c) 4236 6685 32226 (d) 4236 6685 2326
11. 11.🔢 You want to remember the number 425127120. Which chunked version keeps every digit in the same order? (a) 425 172 120 (b) 425 127 1200 (c) 425 127 120 (d) 425 121 20
12. 12.🔢 You want to remember the number 562926804753. Which chunked version keeps every digit in the same order? (a) 5629 2680 4573 (b) 5629 2680 4753 (c) 5292 6804 753 (d) 5629 2268 04753
13. 13.🔢 You want to remember the number 307902057540. Which chunked version keeps every digit in the same order? (a) 3079 0205 75400 (b) 3709 0205 7540 (c) 3790 2057 540 (d) 3079 0205 7540
14. 14.🔢 You want to remember the number 709175952. Which chunked version keeps every digit in the same order? (a) 709 175 925 (b) 791 759 52 (c) 709 175 9952 (d) 709 175 952
15. 15.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
16. 16.📅 The digits 20071992 are a date: day, month, year. Which chunking shows the date? (a) 200/719/92 (b) 2007/19/92 (c) 20/0719/92 (d) 20/07/1992
17. 17.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.📅 The digits 24121983 are a date: day, month, year. Which chunking shows the date? (a) 2412/19/83 (b) 241/219/83 (c) 24/1219/83 (d) 24/12/1983
19. 19.🔢 You want to remember the number 825814037. Which chunked version keeps every digit in the same order? (a) 825 814 03 (b) 825 581 4037 (c) 825 814 037 (d) 825 814 073
20. 20.📅 The digits 05061959 are a date: day, month, year. Which chunking shows the date? (a) 05/0619/59 (b) 05/06/1959 (c) 050/619/59 (d) 0506/19/59
21. 21.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) means something to you (d) is very long
22. 22.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 8322591236. Which chunked version keeps every digit in the same order? (a) 832 259 11236 (b) 823 259 1236 (c) 832 259 1236 (d) 832 591 236
25. 25.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
26. 26.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) splitting into groups (d) writing it twice
28. 28.🔢 You want to remember the number 3031022271. Which chunked version keeps every digit in the same order? (a) 303 102 2271 (b) 303 022 271 (c) 303 100 22271 (d) 303 120 2271
29. 29.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) three chunks, not ten (c) it is a smaller number (d) it has fewer digits
30. 30.📅 The digits 28021968 are a date: day, month, year. Which chunking shows the date? (a) 28/0219/68 (b) 28/02/1968 (c) 280/219/68 (d) 2802/19/68
31. 31.🔢 You want to remember the number 850066617458. Which chunked version keeps every digit in the same order? (a) 8500 6661 4758 (b) 8500 6661 745 (c) 8500 6661 7458 (d) 8500 6661 74588
32. 32.🔢 You want to remember the number 843303239. Which chunked version keeps every digit in the same order? (a) 843 033 239 (b) 833 032 39 (c) 843 303 239 (d) 843 330 3239
33. 33.🔢 You want to remember the number 596978805094. Which chunked version keeps every digit in the same order? (a) 5969 7880 5094 (b) 5969 9788 05094 (c) 5967 8805 094 (d) 5969 7880 0594
34. 34.🔢 You want to remember the number 1668033566. Which chunked version keeps every digit in the same order? (a) 166 800 33566 (b) 616 803 3566 (c) 166 803 356 (d) 166 803 3566
35. 35.🔢 You want to remember the number 9100336143. Which chunked version keeps every digit in the same order? (a) 991 003 36143 (b) 910 033 6143 (c) 910 336 143 (d) 910 033 6413
36. 36.🔢 You want to remember the number 610624727. Which chunked version keeps every digit in the same order? (a) 610 624 727 (b) 610 624 72 (c) 610 642 727 (d) 610 624 4727
37. 37.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
38. 38.🔢 You want to remember the number 569908806. Which chunked version keeps every digit in the same order? (a) 569 908 860 (b) 569 908 86 (c) 569 908 806 (d) 569 990 8806
39. 39.🔢 You want to remember the number 2263980877. Which chunked version keeps every digit in the same order? (a) 226 398 0877 (b) 226 380 877 (c) 226 938 0877 (d) 226 398 08777
40. 40.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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