Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 926 · 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 08031984 are a date: day, month, year. Which chunking shows the date? (a) 0803/19/84 (b) 080/319/84 (c) 08/03/1984 (d) 08/0319/84
2. 2.📅 The digits 19071977 are a date: day, month, year. Which chunking shows the date? (a) 1907/19/77 (b) 19/07/1977 (c) 190/719/77 (d) 19/0719/77
3. 3.🔢 You want to remember the number 6664707389. Which chunked version keeps every digit in the same order? (a) 666 447 07389 (b) 666 407 7389 (c) 666 470 739 (d) 666 470 7389
4. 4.🔢 Chunking works for… (a) only pictures (b) only numbers (c) numbers and letter lists (d) nothing at all
5. 5.🔢 You want to remember the number 578679462. Which chunked version keeps every digit in the same order? (a) 786 794 62 (b) 758 679 462 (c) 578 679 462 (d) 578 679 4622
6. 6.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
7. 7.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is a smaller number (c) it has fewer digits (d) it is printed bigger
8. 8.🔢 You want to remember the number 570211652. Which chunked version keeps every digit in the same order? (a) 502 116 52 (b) 570 121 652 (c) 570 211 652 (d) 570 221 1652
9. 9.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
10. 10.📅 The digits 18031961 are a date: day, month, year. Which chunking shows the date? (a) 18/0319/61 (b) 1803/19/61 (c) 18/03/1961 (d) 180/319/61
11. 11.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 You want to remember the number 1361406545. Which chunked version keeps every digit in the same order? (a) 136 140 545 (b) 136 140 6545 (c) 136 114 06545 (d) 316 140 6545
13. 13.📅 The digits 21011997 are a date: day, month, year. Which chunking shows the date? (a) 21/01/1997 (b) 2101/19/97 (c) 210/119/97 (d) 21/0119/97
14. 14.🔢 You want to remember the number 900282937. Which chunked version keeps every digit in the same order? (a) 900 282 2937 (b) 900 282 937 (c) 900 282 97 (d) 900 228 937
15. 15.🔢 You want to remember the number 143866012489. Which chunked version keeps every digit in the same order? (a) 1143 8660 12489 (b) 4386 6012 489 (c) 1438 6601 2489 (d) 1438 6602 1489
16. 16.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 19 and 47 (c) 194 and 7 (d) 1 and 947
17. 17.🔢 You want to remember the number 112495088056. Which chunked version keeps every digit in the same order? (a) 1124 9508 805 (b) 1124 9508 8056 (c) 1214 9508 8056 (d) 1124 4950 88056
18. 18.📅 The digits 27062021 are a date: day, month, year. Which chunking shows the date? (a) 270/620/21 (b) 27/06/2021 (c) 2706/20/21 (d) 27/0620/21
19. 19.🔢 You want to remember the number 821420250931. Which chunked version keeps every digit in the same order? (a) 8214 2025 50931 (b) 8212 0250 931 (c) 8214 2025 0931 (d) 8214 2025 0391
20. 20.📅 The digits 14011950 are a date: day, month, year. Which chunking shows the date? (a) 140/119/50 (b) 1401/19/50 (c) 14/01/1950 (d) 14/0119/50
21. 21.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 800227592. Which chunked version keeps every digit in the same order? (a) 800 227 592 (b) 880 022 7592 (c) 800 275 92 (d) 800 225 792
23. 23.📅 The digits 20071988 are a date: day, month, year. Which chunking shows the date? (a) 200/719/88 (b) 2007/19/88 (c) 20/0719/88 (d) 20/07/1988
24. 24.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
25. 25.📅 The digits 09111992 are a date: day, month, year. Which chunking shows the date? (a) 091/119/92 (b) 09/1119/92 (c) 0911/19/92 (d) 09/11/1992
26. 26.📅 The digits 21061999 are a date: day, month, year. Which chunking shows the date? (a) 210/619/99 (b) 21/0619/99 (c) 21/06/1999 (d) 2106/19/99
27. 27.🔢 You want to remember the number 451626156. Which chunked version keeps every digit in the same order? (a) 451 626 1556 (b) 451 661 56 (c) 451 626 516 (d) 451 626 156
28. 28.📅 The digits 26052011 are a date: day, month, year. Which chunking shows the date? (a) 26/05/2011 (b) 26/0520/11 (c) 260/520/11 (d) 2605/20/11
29. 29.🔢 You want to remember the number 9718123452. Which chunked version keeps every digit in the same order? (a) 971 812 3452 (b) 971 182 3452 (c) 971 812 23452 (d) 971 812 342
30. 30.🔢 You want to remember the number 2262104117. Which chunked version keeps every digit in the same order? (a) 226 210 4117 (b) 226 214 117 (c) 226 210 41117 (d) 226 214 0117
31. 31.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 You want to remember the number 889177669686. Which chunked version keeps every digit in the same order? (a) 8917 7669 686 (b) 8891 7766 9686 (c) 8891 7766 99686 (d) 8819 7766 9686
33. 33.📅 The digits 25121955 are a date: day, month, year. Which chunking shows the date? (a) 2512/19/55 (b) 25/12/1955 (c) 251/219/55 (d) 25/1219/55
34. 34.📅 The digits 28042003 are a date: day, month, year. Which chunking shows the date? (a) 28/0420/03 (b) 2804/20/03 (c) 28/04/2003 (d) 280/420/03
35. 35.🔢 You want to remember the number 9912230981. Which chunked version keeps every digit in the same order? (a) 991 223 981 (b) 999 122 30981 (c) 991 223 0981 (d) 991 220 3981
36. 36.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 2212387938. Which chunked version keeps every digit in the same order? (a) 221 238 798 (b) 221 238 79938 (c) 221 283 7938 (d) 221 238 7938
38. 38.📅 The digits 09031975 are a date: day, month, year. Which chunking shows the date? (a) 090/319/75 (b) 0903/19/75 (c) 09/0319/75 (d) 09/03/1975
39. 39.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
40. 40.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?

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