Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 259 · 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 8 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 975582889046. Which chunked version keeps every digit in the same order? (a) 9755 8288 9406 (b) 9755 5828 89046 (c) 9758 2889 046 (d) 9755 8288 9046
3. 3.🔢 You want to remember the number 1379998791. Which chunked version keeps every digit in the same order? (a) 137 999 98791 (b) 137 999 8791 (c) 137 999 8971 (d) 137 999 879
4. 4.🔢 What is chunking? (a) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
5. 5.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
6. 6.🔢 You want to remember the number 400177833441. Which chunked version keeps every digit in the same order? (a) 4001 7783 33441 (b) 4001 7783 3441 (c) 4001 7783 4341 (d) 4017 7833 441
7. 7.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 304425252356. Which chunked version keeps every digit in the same order? (a) 3044 2525 2356 (b) 3044 2552 2356 (c) 3044 2525 22356 (d) 3442 5252 356
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
10. 10.🔢 You want to remember the number 495067360. Which chunked version keeps every digit in the same order? (a) 495 506 7360 (b) 495 067 360 (c) 495 607 360 (d) 495 073 60
11. 11.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
12. 12.🔢 You want to remember the number 9505710969. Which chunked version keeps every digit in the same order? (a) 950 710 969 (b) 950 571 0969 (c) 950 571 0699 (d) 950 571 10969
13. 13.🔢 You want to remember the number 666241699. Which chunked version keeps every digit in the same order? (a) 662 641 699 (b) 666 416 99 (c) 666 624 1699 (d) 666 241 699
14. 14.📅 The digits 07051967 are a date: day, month, year. Which chunking shows the date? (a) 07/0519/67 (b) 07/05/1967 (c) 070/519/67 (d) 0705/19/67
15. 15.🔢 You want to remember the number 800200170. Which chunked version keeps every digit in the same order? (a) 802 000 170 (b) 800 201 70 (c) 800 220 0170 (d) 800 200 170
16. 16.🔢 You want to remember the number 8746391416. Which chunked version keeps every digit in the same order? (a) 876 439 1416 (b) 846 391 416 (c) 874 463 91416 (d) 874 639 1416
17. 17.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.📅 The digits 14052020 are a date: day, month, year. Which chunking shows the date? (a) 1405/20/20 (b) 14/05/2020 (c) 140/520/20 (d) 14/0520/20
22. 22.🔢 You want to remember the number 838966037959. Which chunked version keeps every digit in the same order? (a) 8396 6037 959 (b) 8398 6603 7959 (c) 8389 6603 7959 (d) 8838 9660 37959
23. 23.🔢 You want to remember the number 1306619039. Which chunked version keeps every digit in the same order? (a) 130 666 19039 (b) 130 661 9039 (c) 130 661 0939 (d) 306 619 039
24. 24.🔢 You want to remember the number 677165710181. Which chunked version keeps every digit in the same order? (a) 6776 1571 0181 (b) 6771 6571 0181 (c) 6771 6571 00181 (d) 7716 5710 181
25. 25.📅 The digits 07041966 are a date: day, month, year. Which chunking shows the date? (a) 0704/19/66 (b) 070/419/66 (c) 07/0419/66 (d) 07/04/1966
26. 26.🔢 Chunking works for… (a) only pictures (b) only numbers (c) numbers and letter lists (d) nothing at all
27. 27.📅 The digits 15021984 are a date: day, month, year. Which chunking shows the date? (a) 150/219/84 (b) 1502/19/84 (c) 15/02/1984 (d) 15/0219/84
28. 28.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 937440870046. Which chunked version keeps every digit in the same order? (a) 9374 0870 046 (b) 9374 4087 0064 (c) 9374 4008 70046 (d) 9374 4087 0046
30. 30.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
31. 31.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 You want to remember the number 838120009452. Which chunked version keeps every digit in the same order? (a) 8381 2009 452 (b) 8381 2000 9452 (c) 8381 2000 4952 (d) 8838 1200 09452
33. 33.🔢 You want to remember the number 7344842980. Which chunked version keeps every digit in the same order? (a) 734 484 2980 (b) 734 484 2890 (c) 734 482 980 (d) 733 448 42980
34. 34.📅 The digits 09032002 are a date: day, month, year. Which chunking shows the date? (a) 090/320/02 (b) 09/0320/02 (c) 0903/20/02 (d) 09/03/2002
35. 35.📅 The digits 09071992 are a date: day, month, year. Which chunking shows the date? (a) 090/719/92 (b) 0907/19/92 (c) 09/0719/92 (d) 09/07/1992
36. 36.🔢 You want to remember the number 3142629404. Which chunked version keeps every digit in the same order? (a) 314 262 9404 (b) 314 262 94404 (c) 314 262 9440 (d) 312 629 404
37. 37.🔢 You want to remember the number 505429550279. Which chunked version keeps every digit in the same order? (a) 5054 2955 02779 (b) 5054 2955 0279 (c) 5054 2955 0297 (d) 5042 9550 279
38. 38.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
39. 39.📅 The digits 13011984 are a date: day, month, year. Which chunking shows the date? (a) 13/01/1984 (b) 130/119/84 (c) 13/0119/84 (d) 1301/19/84
40. 40.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?

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