Mnemonics Worksheet: Chunking Numbers
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.
NameDateTime takenScore ___ / 40
- 1.📅 The digits 24012014 are a date: day, month, year. Which chunking shows the date? (a) 24/0120/14 (b) 2401/20/14 (c) 240/120/14 (d) 24/01/2014
- 2.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
- 3.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is printed bigger (d) it is a smaller number
- 4.📅 The digits 26042005 are a date: day, month, year. Which chunking shows the date? (a) 26/04/2005 (b) 260/420/05 (c) 2604/20/05 (d) 26/0420/05
- 5.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
- 6.🔢 You want to remember the number 504634188087. Which chunked version keeps every digit in the same order? (a) 5046 3418 8087 (b) 0546 3418 8087 (c) 5046 3418 087 (d) 5046 3441 88087
- 7.📅 The digits 19111993 are a date: day, month, year. Which chunking shows the date? (a) 19/1119/93 (b) 191/119/93 (c) 1911/19/93 (d) 19/11/1993
- 8.📅 The digits 22081953 are a date: day, month, year. Which chunking shows the date? (a) 22/08/1953 (b) 220/819/53 (c) 22/0819/53 (d) 2208/19/53
- 9.🔢 Chunking works for… (a) only pictures (b) only numbers (c) numbers and letter lists (d) nothing at all
- 10.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
- 11.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
- 12.🔢 What is chunking? (a) saying it backwards (b) reading very fast (c) writing it twice (d) splitting into groups
- 13.🔢 You want to remember the number 245716801891. Which chunked version keeps every digit in the same order? (a) 2457 1680 1891 (b) 2451 7680 1891 (c) 2457 7168 01891 (d) 2457 1680 191
- 14.📅 The digits 06021992 are a date: day, month, year. Which chunking shows the date? (a) 06/02/1992 (b) 060/219/92 (c) 0602/19/92 (d) 06/0219/92
- 15.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
- 16.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
- 17.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
- 18.🔢 You want to remember the number 6451515343. Which chunked version keeps every digit in the same order? (a) 651 515 343 (b) 645 151 5343 (c) 645 515 15343 (d) 645 151 3543
- 19.📅 The digits 27071989 are a date: day, month, year. Which chunking shows the date? (a) 27/0719/89 (b) 2707/19/89 (c) 270/719/89 (d) 27/07/1989
- 20.📅 The digits 28051958 are a date: day, month, year. Which chunking shows the date? (a) 2805/19/58 (b) 28/0519/58 (c) 28/05/1958 (d) 280/519/58
- 21.📅 The digits 09011960 are a date: day, month, year. Which chunking shows the date? (a) 090/119/60 (b) 09/0119/60 (c) 09/01/1960 (d) 0901/19/60
- 22.📅 The digits 13041993 are a date: day, month, year. Which chunking shows the date? (a) 13/0419/93 (b) 130/419/93 (c) 1304/19/93 (d) 13/04/1993
- 23.🔢 You want to remember the number 254866788944. Which chunked version keeps every digit in the same order? (a) 2548 6678 89444 (b) 2546 6788 944 (c) 2548 6678 8944 (d) 2458 6678 8944
- 24.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
- 25.📅 The digits 25072000 are a date: day, month, year. Which chunking shows the date? (a) 250/720/00 (b) 2507/20/00 (c) 25/0720/00 (d) 25/07/2000
- 26.🔢 You want to remember the number 4200088981. Which chunked version keeps every digit in the same order? (a) 240 008 8981 (b) 420 088 981 (c) 420 000 88981 (d) 420 008 8981
- 27.📅 The digits 07061981 are a date: day, month, year. Which chunking shows the date? (a) 07/0619/81 (b) 070/619/81 (c) 07/06/1981 (d) 0706/19/81
- 28.📅 The digits 05031985 are a date: day, month, year. Which chunking shows the date? (a) 0503/19/85 (b) 050/319/85 (c) 05/03/1985 (d) 05/0319/85
- 29.🔢 You want to remember the number 494334272736. Which chunked version keeps every digit in the same order? (a) 4943 3427 2736 (b) 4943 4327 2736 (c) 4943 3427 27736 (d) 4943 3427 273
- 30.📅 The digits 16112016 are a date: day, month, year. Which chunking shows the date? (a) 16/1120/16 (b) 16/11/2016 (c) 161/120/16 (d) 1611/20/16
- 31.📅 The digits 12011986 are a date: day, month, year. Which chunking shows the date? (a) 120/119/86 (b) 12/01/1986 (c) 12/0119/86 (d) 1201/19/86
- 32.📅 The digits 24012007 are a date: day, month, year. Which chunking shows the date? (a) 240/120/07 (b) 24/0120/07 (c) 2401/20/07 (d) 24/01/2007
- 33.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
- 34.🔢 You want to remember the number 470780770. Which chunked version keeps every digit in the same order? (a) 470 780 7700 (b) 477 807 70 (c) 740 780 770 (d) 470 780 770
- 35.📅 The digits 13111966 are a date: day, month, year. Which chunking shows the date? (a) 13/1119/66 (b) 13/11/1966 (c) 1311/19/66 (d) 131/119/66
- 36.📅 The digits 18112016 are a date: day, month, year. Which chunking shows the date? (a) 181/120/16 (b) 1811/20/16 (c) 18/1120/16 (d) 18/11/2016
- 37.📅 The digits 05021950 are a date: day, month, year. Which chunking shows the date? (a) 050/219/50 (b) 0502/19/50 (c) 05/0219/50 (d) 05/02/1950
- 38.🔢 You want to remember the number 394069627572. Which chunked version keeps every digit in the same order? (a) 3940 6962 77572 (b) 3940 6962 7527 (c) 3940 6962 7572 (d) 3940 6962 572
- 39.📅 The digits 08061977 are a date: day, month, year. Which chunking shows the date? (a) 08/0619/77 (b) 080/619/77 (c) 08/06/1977 (d) 0806/19/77
- 40.🔢 You want to remember the number 6350132809. Which chunked version keeps every digit in the same order? (a) 365 013 2809 (b) 635 013 2809 (c) 635 013 280 (d) 635 013 28009
Answer key
- 24/01/2014
- 2
- three chunks, not ten
- 26/04/2005
- 19 and 47
- 5046 3418 8087
- 19/11/1993
- 22/08/1953
- numbers and letter lists
- 3
- 3
- splitting into groups
- 2457 1680 1891
- 06/02/1992
- means something to you
- 5
- 9
- 645 151 5343
- 27/07/1989
- 28/05/1958
- 09/01/1960
- 13/04/1993
- 2548 6678 8944
- 5
- 25/07/2000
- 420 008 8981
- 07/06/1981
- 05/03/1985
- 4943 3427 2736
- 16/11/2016
- 12/01/1986
- 24/01/2007
- 2
- 470 780 770
- 13/11/1966
- 18/11/2016
- 05/02/1950
- 3940 6962 7572
- 08/06/1977
- 635 013 2809
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