Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 906 · 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.📅 The digits 02031957 are a date: day, month, year. Which chunking shows the date? (a) 02/03/1957 (b) 020/319/57 (c) 02/0319/57 (d) 0203/19/57
2. 2.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 1 and 947 (d) 194 and 7
4. 4.📅 The digits 07031964 are a date: day, month, year. Which chunking shows the date? (a) 0703/19/64 (b) 07/03/1964 (c) 070/319/64 (d) 07/0319/64
5. 5.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 4728181429. Which chunked version keeps every digit in the same order? (a) 472 811 8429 (b) 472 811 429 (c) 472 818 11429 (d) 472 818 1429
7. 7.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
8. 8.📅 The digits 27021963 are a date: day, month, year. Which chunking shows the date? (a) 270/219/63 (b) 2702/19/63 (c) 27/0219/63 (d) 27/02/1963
9. 9.📅 The digits 22031973 are a date: day, month, year. Which chunking shows the date? (a) 220/319/73 (b) 22/03/1973 (c) 22/0319/73 (d) 2203/19/73
10. 10.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
11. 11.📅 The digits 14061966 are a date: day, month, year. Which chunking shows the date? (a) 14/06/1966 (b) 1406/19/66 (c) 140/619/66 (d) 14/0619/66
12. 12.🔢 You want to remember the number 3159729020. Which chunked version keeps every digit in the same order? (a) 315 972 90200 (b) 315 972 9020 (c) 315 792 9020 (d) 315 929 020
13. 13.🔢 You want to remember the number 5623195206. Which chunked version keeps every digit in the same order? (a) 563 219 5206 (b) 562 319 520 (c) 562 319 5206 (d) 562 319 95206
14. 14.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) three chunks, not ten (d) it has fewer digits
15. 15.🔢 You want to remember the number 1492490467. Which chunked version keeps every digit in the same order? (a) 149 249 0467 (b) 144 924 90467 (c) 492 490 467 (d) 149 240 9467
16. 16.📅 The digits 04121987 are a date: day, month, year. Which chunking shows the date? (a) 0412/19/87 (b) 04/12/1987 (c) 04/1219/87 (d) 041/219/87
17. 17.🔢 You want to remember the number 947532832867. Which chunked version keeps every digit in the same order? (a) 9475 3283 28667 (b) 9475 3283 2867 (c) 9753 2832 867 (d) 9745 3283 2867
18. 18.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
19. 19.📅 The digits 28041996 are a date: day, month, year. Which chunking shows the date? (a) 2804/19/96 (b) 28/0419/96 (c) 28/04/1996 (d) 280/419/96
20. 20.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 342362921. Which chunked version keeps every digit in the same order? (a) 342 362 291 (b) 342 362 921 (c) 342 362 2921 (d) 323 629 21
22. 22.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.📅 The digits 10121987 are a date: day, month, year. Which chunking shows the date? (a) 1012/19/87 (b) 101/219/87 (c) 10/1219/87 (d) 10/12/1987
24. 24.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only pictures (d) only numbers
25. 25.🔢 A chunk is easiest to keep when it… (a) means something to you (b) has no pattern (c) is very long (d) changes daily
26. 26.🔢 You want to remember the number 484231297. Which chunked version keeps every digit in the same order? (a) 484 231 27 (b) 484 231 297 (c) 484 231 1297 (d) 844 231 297
27. 27.🔢 You want to remember the number 815191211110. Which chunked version keeps every digit in the same order? (a) 8151 9121 1110 (b) 8151 9121 110 (c) 8151 1921 1110 (d) 8151 9112 11110
28. 28.📅 The digits 14042002 are a date: day, month, year. Which chunking shows the date? (a) 140/420/02 (b) 1404/20/02 (c) 14/04/2002 (d) 14/0420/02
29. 29.📅 The digits 20082019 are a date: day, month, year. Which chunking shows the date? (a) 20/08/2019 (b) 200/820/19 (c) 20/0820/19 (d) 2008/20/19
30. 30.📅 The digits 28121968 are a date: day, month, year. Which chunking shows the date? (a) 281/219/68 (b) 2812/19/68 (c) 28/1219/68 (d) 28/12/1968
31. 31.🔢 You want to remember the number 811506521701. Which chunked version keeps every digit in the same order? (a) 8115 5065 21701 (b) 8115 0652 1701 (c) 8150 6521 701 (d) 8110 5652 1701
32. 32.📅 The digits 13071995 are a date: day, month, year. Which chunking shows the date? (a) 13/07/1995 (b) 130/719/95 (c) 13/0719/95 (d) 1307/19/95
33. 33.🔢 You want to remember the number 988313700. Which chunked version keeps every digit in the same order? (a) 983 813 700 (b) 998 831 3700 (c) 988 337 00 (d) 988 313 700
34. 34.🔢 You want to remember the number 370126618. Which chunked version keeps every digit in the same order? (a) 377 012 6618 (b) 370 126 168 (c) 370 266 18 (d) 370 126 618
35. 35.📅 The digits 02111987 are a date: day, month, year. Which chunking shows the date? (a) 02/11/1987 (b) 02/1119/87 (c) 0211/19/87 (d) 021/119/87
36. 36.📅 The digits 09091962 are a date: day, month, year. Which chunking shows the date? (a) 09/0919/62 (b) 0909/19/62 (c) 09/09/1962 (d) 090/919/62
37. 37.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
38. 38.📅 The digits 08102004 are a date: day, month, year. Which chunking shows the date? (a) 081/020/04 (b) 0810/20/04 (c) 08/10/2004 (d) 08/1020/04
39. 39.🔢 You want to remember the number 187525899. Which chunked version keeps every digit in the same order? (a) 187 525 899 (b) 187 528 599 (c) 187 558 99 (d) 187 525 8999
40. 40.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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