Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 499 · 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.🔢 You want to remember the number 4436710621. Which chunked version keeps every digit in the same order? (a) 443 671 00621 (b) 443 671 061 (c) 443 671 0621 (d) 443 671 0261
2. 2.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) has no pattern (d) means something to you
3. 3.🔢 You want to remember the number 381412549. Which chunked version keeps every digit in the same order? (a) 338 141 2549 (b) 381 412 549 (c) 814 125 49 (d) 384 112 549
4. 4.🔢 You want to remember the number 477916502161. Which chunked version keeps every digit in the same order? (a) 4777 9165 02161 (b) 4779 1602 161 (c) 4779 1650 2161 (d) 4797 1650 2161
5. 5.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
6. 6.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 You want to remember the number 7184060687. Which chunked version keeps every digit in the same order? (a) 718 460 0687 (b) 718 406 0687 (c) 718 406 067 (d) 718 840 60687
8. 8.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
9. 9.🔢 You want to remember the number 142007498. Which chunked version keeps every digit in the same order? (a) 142 000 7498 (b) 142 007 49 (c) 142 007 948 (d) 142 007 498
10. 10.🔢 You want to remember the number 7871335018. Which chunked version keeps every digit in the same order? (a) 787 133 518 (b) 787 133 5018 (c) 787 133 5081 (d) 787 713 35018
11. 11.🔢 You want to remember the number 341532160. Which chunked version keeps every digit in the same order? (a) 345 132 160 (b) 341 531 60 (c) 341 532 160 (d) 341 532 1160
12. 12.📅 The digits 12081957 are a date: day, month, year. Which chunking shows the date? (a) 12/0819/57 (b) 12/08/1957 (c) 120/819/57 (d) 1208/19/57
13. 13.🔢 You want to remember the number 632929612. Which chunked version keeps every digit in the same order? (a) 329 296 12 (b) 633 292 9612 (c) 632 929 612 (d) 639 229 612
14. 14.📅 The digits 02051951 are a date: day, month, year. Which chunking shows the date? (a) 020/519/51 (b) 02/05/1951 (c) 0205/19/51 (d) 02/0519/51
15. 15.🔢 You want to remember the number 4354922235. Which chunked version keeps every digit in the same order? (a) 435 492 2325 (b) 435 492 22355 (c) 435 492 235 (d) 435 492 2235
16. 16.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is a smaller number (d) it is printed bigger
17. 17.📅 The digits 28031991 are a date: day, month, year. Which chunking shows the date? (a) 2803/19/91 (b) 28/0319/91 (c) 280/319/91 (d) 28/03/1991
18. 18.🔢 You want to remember the number 609996855114. Which chunked version keeps every digit in the same order? (a) 6909 9685 5114 (b) 6099 9685 514 (c) 6099 9685 5114 (d) 6099 9668 55114
19. 19.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
21. 21.📅 The digits 10122001 are a date: day, month, year. Which chunking shows the date? (a) 1012/20/01 (b) 10/12/2001 (c) 10/1220/01 (d) 101/220/01
22. 22.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
24. 24.📅 The digits 20101959 are a date: day, month, year. Which chunking shows the date? (a) 201/019/59 (b) 20/1019/59 (c) 20/10/1959 (d) 2010/19/59
25. 25.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 1 9 4 7 (d) 19 and 47
26. 26.📅 The digits 22041956 are a date: day, month, year. Which chunking shows the date? (a) 220/419/56 (b) 22/0419/56 (c) 2204/19/56 (d) 22/04/1956
27. 27.🔢 You want to remember the number 380985312. Which chunked version keeps every digit in the same order? (a) 380 985 312 (b) 809 853 12 (c) 380 985 3122 (d) 389 085 312
28. 28.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 479581190. Which chunked version keeps every digit in the same order? (a) 479 511 90 (b) 479 581 1190 (c) 479 581 190 (d) 479 851 190
30. 30.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.🔢 You want to remember the number 3333805860. Which chunked version keeps every digit in the same order? (a) 333 380 5860 (b) 333 380 560 (c) 333 830 5860 (d) 333 380 58860
33. 33.📅 The digits 04081969 are a date: day, month, year. Which chunking shows the date? (a) 040/819/69 (b) 0408/19/69 (c) 04/0819/69 (d) 04/08/1969
34. 34.📅 The digits 09011972 are a date: day, month, year. Which chunking shows the date? (a) 090/119/72 (b) 09/01/1972 (c) 0901/19/72 (d) 09/0119/72
35. 35.🔢 You want to remember the number 8021596702. Which chunked version keeps every digit in the same order? (a) 802 159 6072 (b) 802 159 6702 (c) 802 156 702 (d) 880 215 96702
36. 36.🔢 You want to remember the number 973803021. Which chunked version keeps every digit in the same order? (a) 973 803 012 (b) 973 800 21 (c) 973 803 021 (d) 973 800 3021
37. 37.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
38. 38.🔢 You want to remember the number 757369347366. Which chunked version keeps every digit in the same order? (a) 7573 6934 7366 (b) 7573 9634 7366 (c) 7573 6933 47366 (d) 7576 9347 366
39. 39.📅 The digits 28061995 are a date: day, month, year. Which chunking shows the date? (a) 28/0619/95 (b) 280/619/95 (c) 28/06/1995 (d) 2806/19/95
40. 40.📅 The digits 24061959 are a date: day, month, year. Which chunking shows the date? (a) 240/619/59 (b) 24/0619/59 (c) 24/06/1959 (d) 2406/19/59

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