Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 581 · 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 3 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 11052015 are a date: day, month, year. Which chunking shows the date? (a) 11/05/2015 (b) 110/520/15 (c) 11/0520/15 (d) 1105/20/15
3. 3.📅 The digits 24011986 are a date: day, month, year. Which chunking shows the date? (a) 24/01/1986 (b) 240/119/86 (c) 24/0119/86 (d) 2401/19/86
4. 4.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 1 9 4 7 (d) 194 and 7
5. 5.🔢 You want to remember the number 648307262. Which chunked version keeps every digit in the same order? (a) 648 300 7262 (b) 648 307 226 (c) 648 307 262 (d) 643 072 62
6. 6.🔢 You want to remember the number 789450146071. Which chunked version keeps every digit in the same order? (a) 7894 5014 607 (b) 7894 5014 46071 (c) 7894 5014 0671 (d) 7894 5014 6071
7. 7.🔢 You want to remember the number 932165251. Which chunked version keeps every digit in the same order? (a) 921 652 51 (b) 993 216 5251 (c) 932 165 251 (d) 392 165 251
8. 8.🔢 A chunk is easiest to keep when it… (a) is very long (b) means something to you (c) has no pattern (d) changes daily
9. 9.🔢 You want to remember the number 446160922. Which chunked version keeps every digit in the same order? (a) 441 609 22 (b) 446 116 0922 (c) 446 610 922 (d) 446 160 922
10. 10.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.🔢 You want to remember the number 721325511010. Which chunked version keeps every digit in the same order? (a) 7213 2515 1010 (b) 7221 3255 11010 (c) 7213 2551 1010 (d) 7232 5511 010
12. 12.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) numbers and letter lists (d) only numbers
13. 13.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.📅 The digits 09022017 are a date: day, month, year. Which chunking shows the date? (a) 09/0220/17 (b) 09/02/2017 (c) 0902/20/17 (d) 090/220/17
16. 16.📅 The digits 17042011 are a date: day, month, year. Which chunking shows the date? (a) 170/420/11 (b) 1704/20/11 (c) 17/0420/11 (d) 17/04/2011
17. 17.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it is printed bigger (d) it has fewer digits
18. 18.🔢 You want to remember the number 5452680242. Which chunked version keeps every digit in the same order? (a) 545 628 0242 (b) 542 680 242 (c) 545 268 0242 (d) 544 526 80242
19. 19.📅 The digits 24062019 are a date: day, month, year. Which chunking shows the date? (a) 2406/20/19 (b) 240/620/19 (c) 24/0620/19 (d) 24/06/2019
20. 20.🔢 You want to remember the number 312720231435. Which chunked version keeps every digit in the same order? (a) 3312 7202 31435 (b) 3127 2023 1435 (c) 3127 2023 1453 (d) 3127 2021 435
21. 21.🔢 You want to remember the number 953607302. Which chunked version keeps every digit in the same order? (a) 953 660 7302 (b) 935 607 302 (c) 953 607 32 (d) 953 607 302
22. 22.🔢 What is chunking? (a) splitting into groups (b) reading very fast (c) writing it twice (d) saying it backwards
23. 23.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 514176534. Which chunked version keeps every digit in the same order? (a) 514 177 6534 (b) 541 765 34 (c) 541 176 534 (d) 514 176 534
25. 25.🔢 You want to remember the number 807109945239. Which chunked version keeps every digit in the same order? (a) 8071 0994 5239 (b) 8071 0994 539 (c) 8071 0999 45239 (d) 8071 0995 4239
26. 26.📅 The digits 24071970 are a date: day, month, year. Which chunking shows the date? (a) 24/0719/70 (b) 2407/19/70 (c) 240/719/70 (d) 24/07/1970
27. 27.📅 The digits 17051959 are a date: day, month, year. Which chunking shows the date? (a) 17/05/1959 (b) 17/0519/59 (c) 1705/19/59 (d) 170/519/59
28. 28.📅 The digits 06032012 are a date: day, month, year. Which chunking shows the date? (a) 06/03/2012 (b) 06/0320/12 (c) 0603/20/12 (d) 060/320/12
29. 29.🔢 You want to remember the number 752586198422. Which chunked version keeps every digit in the same order? (a) 7525 8619 422 (b) 7525 8619 8422 (c) 7525 8661 98422 (d) 7525 8619 4822
30. 30.🔢 You want to remember the number 9437869188. Which chunked version keeps every digit in the same order? (a) 943 786 9818 (b) 943 789 188 (c) 943 786 69188 (d) 943 786 9188
31. 31.📅 The digits 23021979 are a date: day, month, year. Which chunking shows the date? (a) 23/02/1979 (b) 230/219/79 (c) 2302/19/79 (d) 23/0219/79
32. 32.📅 The digits 26071978 are a date: day, month, year. Which chunking shows the date? (a) 26/0719/78 (b) 26/07/1978 (c) 260/719/78 (d) 2607/19/78
33. 33.🔢 You want to remember the number 229232117884. Which chunked version keeps every digit in the same order? (a) 2292 3217 1884 (b) 2292 3321 17884 (c) 2292 3211 784 (d) 2292 3211 7884
34. 34.📅 The digits 08031964 are a date: day, month, year. Which chunking shows the date? (a) 08/0319/64 (b) 0803/19/64 (c) 080/319/64 (d) 08/03/1964
35. 35.🔢 You want to remember the number 1828268031. Which chunked version keeps every digit in the same order? (a) 182 822 68031 (b) 182 826 8031 (c) 182 868 031 (d) 812 826 8031
36. 36.📅 The digits 02121965 are a date: day, month, year. Which chunking shows the date? (a) 021/219/65 (b) 02/1219/65 (c) 0212/19/65 (d) 02/12/1965
37. 37.📅 The digits 19022005 are a date: day, month, year. Which chunking shows the date? (a) 190/220/05 (b) 19/02/2005 (c) 19/0220/05 (d) 1902/20/05
38. 38.📅 The digits 19111984 are a date: day, month, year. Which chunking shows the date? (a) 191/119/84 (b) 1911/19/84 (c) 19/11/1984 (d) 19/1119/84
39. 39.🔢 You want to remember the number 603191216345. Which chunked version keeps every digit in the same order? (a) 6031 9116 345 (b) 6031 9121 6435 (c) 6031 9121 6345 (d) 6033 1912 16345
40. 40.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?

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