Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 585 · 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 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only pictures (d) only numbers
4. 4.📅 The digits 12102009 are a date: day, month, year. Which chunking shows the date? (a) 12/10/2009 (b) 12/1020/09 (c) 1210/20/09 (d) 121/020/09
5. 5.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is a smaller number (c) three chunks, not ten (d) it is printed bigger
6. 6.🔢 A chunk is easiest to keep when it… (a) is very long (b) changes daily (c) has no pattern (d) means something to you
7. 7.📅 The digits 16052013 are a date: day, month, year. Which chunking shows the date? (a) 160/520/13 (b) 16/0520/13 (c) 16/05/2013 (d) 1605/20/13
8. 8.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
10. 10.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 19 and 47 (d) 1 9 4 7
11. 11.🔢 You want to remember the number 603632514. Which chunked version keeps every digit in the same order? (a) 630 632 514 (b) 603 663 2514 (c) 036 325 14 (d) 603 632 514
12. 12.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.📅 The digits 14062018 are a date: day, month, year. Which chunking shows the date? (a) 14/0620/18 (b) 140/620/18 (c) 14/06/2018 (d) 1406/20/18
14. 14.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
15. 15.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
16. 16.🔢 You want to remember the number 208282359. Which chunked version keeps every digit in the same order? (a) 208 822 359 (b) 208 282 359 (c) 208 288 2359 (d) 208 823 59
17. 17.🔢 You want to remember the number 635564792542. Which chunked version keeps every digit in the same order? (a) 6535 6479 2542 (b) 6355 6479 2542 (c) 6355 6472 542 (d) 6335 5647 92542
18. 18.🔢 You want to remember the number 1342944215. Which chunked version keeps every digit in the same order? (a) 314 294 4215 (b) 142 944 215 (c) 134 294 4215 (d) 134 294 42155
19. 19.📅 The digits 08011980 are a date: day, month, year. Which chunking shows the date? (a) 08/01/1980 (b) 08/0119/80 (c) 080/119/80 (d) 0801/19/80
20. 20.📅 The digits 17011980 are a date: day, month, year. Which chunking shows the date? (a) 17/0119/80 (b) 170/119/80 (c) 17/01/1980 (d) 1701/19/80
21. 21.🔢 You want to remember the number 438067044280. Which chunked version keeps every digit in the same order? (a) 4380 6074 4280 (b) 4380 6670 44280 (c) 4380 6704 4280 (d) 4306 7044 280
22. 22.📅 The digits 19042000 are a date: day, month, year. Which chunking shows the date? (a) 19/0420/00 (b) 19/04/2000 (c) 190/420/00 (d) 1904/20/00
23. 23.🔢 You want to remember the number 3785811028. Which chunked version keeps every digit in the same order? (a) 378 581 1028 (b) 375 811 028 (c) 378 581 10288 (d) 378 581 0128
24. 24.📅 The digits 26021951 are a date: day, month, year. Which chunking shows the date? (a) 260/219/51 (b) 26/0219/51 (c) 2602/19/51 (d) 26/02/1951
25. 25.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
26. 26.🔢 You want to remember the number 495316031. Which chunked version keeps every digit in the same order? (a) 495 311 6031 (b) 495 136 031 (c) 495 316 031 (d) 495 316 01
27. 27.📅 The digits 01111957 are a date: day, month, year. Which chunking shows the date? (a) 0111/19/57 (b) 011/119/57 (c) 01/1119/57 (d) 01/11/1957
28. 28.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
29. 29.📅 The digits 13122024 are a date: day, month, year. Which chunking shows the date? (a) 13/1220/24 (b) 131/220/24 (c) 13/12/2024 (d) 1312/20/24
30. 30.📅 The digits 28041958 are a date: day, month, year. Which chunking shows the date? (a) 280/419/58 (b) 28/0419/58 (c) 28/04/1958 (d) 2804/19/58
31. 31.🔢 You want to remember the number 395265194. Which chunked version keeps every digit in the same order? (a) 352 651 94 (b) 395 526 5194 (c) 395 265 914 (d) 395 265 194
32. 32.🔢 You want to remember the number 202195750. Which chunked version keeps every digit in the same order? (a) 202 157 50 (b) 202 195 705 (c) 202 195 7500 (d) 202 195 750
33. 33.📅 The digits 28061998 are a date: day, month, year. Which chunking shows the date? (a) 2806/19/98 (b) 28/0619/98 (c) 280/619/98 (d) 28/06/1998
34. 34.🔢 You want to remember the number 7635379861. Which chunked version keeps every digit in the same order? (a) 763 537 981 (b) 763 537 9861 (c) 763 539 7861 (d) 763 537 79861
35. 35.🔢 You want to remember the number 640232173593. Which chunked version keeps every digit in the same order? (a) 6402 3217 593 (b) 6420 3217 3593 (c) 6402 3217 35593 (d) 6402 3217 3593
36. 36.📅 The digits 07021980 are a date: day, month, year. Which chunking shows the date? (a) 0702/19/80 (b) 07/0219/80 (c) 070/219/80 (d) 07/02/1980
37. 37.🔢 You want to remember the number 495890011. Which chunked version keeps every digit in the same order? (a) 449 589 0011 (b) 495 890 01 (c) 495 890 011 (d) 495 980 011
38. 38.🔢 You want to remember the number 2271368074. Which chunked version keeps every digit in the same order? (a) 221 736 8074 (b) 227 136 68074 (c) 227 168 074 (d) 227 136 8074
39. 39.🔢 You want to remember the number 107704505. Which chunked version keeps every digit in the same order? (a) 100 770 4505 (b) 107 705 405 (c) 107 045 05 (d) 107 704 505
40. 40.🔢 You want to remember the number 669719878322. Which chunked version keeps every digit in the same order? (a) 6671 9878 322 (b) 6697 1988 78322 (c) 6679 1987 8322 (d) 6697 1987 8322

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