Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 44 · 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 1152101607. Which chunked version keeps every digit in the same order? (a) 115 210 1670 (b) 115 211 01607 (c) 115 210 167 (d) 115 210 1607
2. 2.🔢 What is chunking? (a) splitting into groups (b) reading very fast (c) writing it twice (d) saying it backwards
3. 3.🔢 You want to remember the number 7839115990. Which chunked version keeps every digit in the same order? (a) 783 911 5990 (b) 873 911 5990 (c) 739 115 990 (d) 783 911 59900
4. 4.🔢 You want to remember the number 228912762995. Which chunked version keeps every digit in the same order? (a) 2289 1276 9295 (b) 2281 2762 995 (c) 2289 1276 29955 (d) 2289 1276 2995
5. 5.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 802461328. Which chunked version keeps every digit in the same order? (a) 802 641 328 (b) 802 461 328 (c) 802 461 32 (d) 802 466 1328
7. 7.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.🔢 You want to remember the number 310719275. Which chunked version keeps every digit in the same order? (a) 310 712 975 (b) 331 071 9275 (c) 310 792 75 (d) 310 719 275
9. 9.📅 The digits 06072006 are a date: day, month, year. Which chunking shows the date? (a) 06/0720/06 (b) 0607/20/06 (c) 06/07/2006 (d) 060/720/06
10. 10.📅 The digits 01031968 are a date: day, month, year. Which chunking shows the date? (a) 01/0319/68 (b) 010/319/68 (c) 0103/19/68 (d) 01/03/1968
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 194 and 7 (c) 1 and 947 (d) 19 and 47
12. 12.📅 The digits 19071960 are a date: day, month, year. Which chunking shows the date? (a) 1907/19/60 (b) 19/07/1960 (c) 190/719/60 (d) 19/0719/60
13. 13.🔢 You want to remember the number 9380131628. Which chunked version keeps every digit in the same order? (a) 938 013 1628 (b) 938 013 16228 (c) 938 013 1682 (d) 938 131 628
14. 14.🔢 You want to remember the number 549302235644. Which chunked version keeps every digit in the same order? (a) 4593 0223 5644 (b) 5493 0223 564 (c) 5493 0223 5644 (d) 5499 3022 35644
15. 15.📅 The digits 06031953 are a date: day, month, year. Which chunking shows the date? (a) 0603/19/53 (b) 06/03/1953 (c) 060/319/53 (d) 06/0319/53
16. 16.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
17. 17.🔢 You want to remember the number 3585343900. Which chunked version keeps every digit in the same order? (a) 358 853 43900 (b) 358 543 3900 (c) 585 343 900 (d) 358 534 3900
18. 18.📅 The digits 10051975 are a date: day, month, year. Which chunking shows the date? (a) 10/05/1975 (b) 100/519/75 (c) 1005/19/75 (d) 10/0519/75
19. 19.📅 The digits 07011950 are a date: day, month, year. Which chunking shows the date? (a) 070/119/50 (b) 0701/19/50 (c) 07/01/1950 (d) 07/0119/50
20. 20.🔢 You want to remember the number 610618023. Which chunked version keeps every digit in the same order? (a) 606 180 23 (b) 601 618 023 (c) 610 618 023 (d) 610 618 0023
21. 21.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is printed bigger (c) it is a smaller number (d) it has fewer digits
22. 22.📅 The digits 15111984 are a date: day, month, year. Which chunking shows the date? (a) 1511/19/84 (b) 15/1119/84 (c) 151/119/84 (d) 15/11/1984
23. 23.🔢 You want to remember the number 393813213. Which chunked version keeps every digit in the same order? (a) 393 831 213 (b) 938 132 13 (c) 399 381 3213 (d) 393 813 213
24. 24.🔢 You want to remember the number 7626910336. Which chunked version keeps every digit in the same order? (a) 762 910 336 (b) 762 691 0336 (c) 762 269 10336 (d) 762 691 3036
25. 25.📅 The digits 28061993 are a date: day, month, year. Which chunking shows the date? (a) 28/0619/93 (b) 2806/19/93 (c) 280/619/93 (d) 28/06/1993
26. 26.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
27. 27.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 You want to remember the number 281603105619. Which chunked version keeps every digit in the same order? (a) 2816 0315 0619 (b) 2816 0310 5619 (c) 2816 0310 55619 (d) 2816 0105 619
29. 29.🔢 A chunk is easiest to keep when it… (a) is very long (b) means something to you (c) changes daily (d) has no pattern
30. 30.📅 The digits 13011971 are a date: day, month, year. Which chunking shows the date? (a) 1301/19/71 (b) 130/119/71 (c) 13/01/1971 (d) 13/0119/71
31. 31.🔢 You want to remember the number 721130044861. Which chunked version keeps every digit in the same order? (a) 7211 3004 44861 (b) 7211 3040 4861 (c) 7211 3004 4861 (d) 7211 3004 486
32. 32.🔢 You want to remember the number 8120021988. Which chunked version keeps every digit in the same order? (a) 812 002 19988 (b) 820 021 988 (c) 812 002 1988 (d) 821 002 1988
33. 33.🔢 You want to remember the number 757379886073. Which chunked version keeps every digit in the same order? (a) 7573 7988 6703 (b) 7757 3798 86073 (c) 7573 7988 6073 (d) 7577 9886 073
34. 34.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
35. 35.📅 The digits 26092003 are a date: day, month, year. Which chunking shows the date? (a) 260/920/03 (b) 2609/20/03 (c) 26/0920/03 (d) 26/09/2003
36. 36.📅 The digits 16081999 are a date: day, month, year. Which chunking shows the date? (a) 1608/19/99 (b) 160/819/99 (c) 16/0819/99 (d) 16/08/1999
37. 37.🔢 You want to remember the number 167943095271. Which chunked version keeps every digit in the same order? (a) 1679 4309 5271 (b) 1674 9309 5271 (c) 6794 3095 271 (d) 1679 4309 52771
38. 38.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
39. 39.📅 The digits 19081966 are a date: day, month, year. Which chunking shows the date? (a) 1908/19/66 (b) 190/819/66 (c) 19/0819/66 (d) 19/08/1966
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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