Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 298 · 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.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) three chunks, not ten (d) it is printed bigger
2. 2.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
3. 3.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 and 947 (c) 19 and 47 (d) 1 9 4 7
4. 4.📅 The digits 21071976 are a date: day, month, year. Which chunking shows the date? (a) 2107/19/76 (b) 21/0719/76 (c) 210/719/76 (d) 21/07/1976
5. 5.🔢 You want to remember the number 823995868272. Which chunked version keeps every digit in the same order? (a) 8239 9586 8722 (b) 8239 9586 82772 (c) 8239 9586 8272 (d) 8239 9568 272
6. 6.🔢 You want to remember the number 145089804908. Which chunked version keeps every digit in the same order? (a) 1450 8804 908 (b) 1405 8980 4908 (c) 1450 8980 4908 (d) 1450 0898 04908
7. 7.📅 The digits 11021950 are a date: day, month, year. Which chunking shows the date? (a) 110/219/50 (b) 11/02/1950 (c) 1102/19/50 (d) 11/0219/50
8. 8.🔢 You want to remember the number 873218203. Which chunked version keeps every digit in the same order? (a) 873 218 203 (b) 873 281 203 (c) 873 282 03 (d) 873 211 8203
9. 9.📅 The digits 23011965 are a date: day, month, year. Which chunking shows the date? (a) 230/119/65 (b) 2301/19/65 (c) 23/0119/65 (d) 23/01/1965
10. 10.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
11. 11.📅 The digits 06101972 are a date: day, month, year. Which chunking shows the date? (a) 06/10/1972 (b) 061/019/72 (c) 06/1019/72 (d) 0610/19/72
12. 12.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
13. 13.🔢 You want to remember the number 805014253526. Which chunked version keeps every digit in the same order? (a) 8805 0142 53526 (b) 8050 1425 526 (c) 8050 1425 3526 (d) 8500 1425 3526
14. 14.📅 The digits 23031985 are a date: day, month, year. Which chunking shows the date? (a) 2303/19/85 (b) 23/0319/85 (c) 23/03/1985 (d) 230/319/85
15. 15.🔢 You want to remember the number 8697422394. Which chunked version keeps every digit in the same order? (a) 869 742 294 (b) 869 742 23994 (c) 869 742 2394 (d) 869 742 3294
16. 16.🔢 You want to remember the number 129945901. Which chunked version keeps every digit in the same order? (a) 129 945 901 (b) 129 495 901 (c) 112 994 5901 (d) 199 459 01
17. 17.📅 The digits 27122002 are a date: day, month, year. Which chunking shows the date? (a) 27/1220/02 (b) 271/220/02 (c) 27/12/2002 (d) 2712/20/02
18. 18.🔢 You want to remember the number 298918089. Which chunked version keeps every digit in the same order? (a) 298 918 89 (b) 298 918 089 (c) 298 991 8089 (d) 298 198 089
19. 19.🔢 You want to remember the number 229188445443. Which chunked version keeps every digit in the same order? (a) 2291 8844 54433 (b) 2291 8844 5443 (c) 2218 8445 443 (d) 2291 8844 4543
20. 20.📅 The digits 14111994 are a date: day, month, year. Which chunking shows the date? (a) 14/11/1994 (b) 141/119/94 (c) 1411/19/94 (d) 14/1119/94
21. 21.📅 The digits 02011976 are a date: day, month, year. Which chunking shows the date? (a) 020/119/76 (b) 02/0119/76 (c) 0201/19/76 (d) 02/01/1976
22. 22.🔢 You want to remember the number 580485110. Which chunked version keeps every digit in the same order? (a) 580 485 10 (b) 584 085 110 (c) 580 488 5110 (d) 580 485 110
23. 23.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.📅 The digits 22082001 are a date: day, month, year. Which chunking shows the date? (a) 220/820/01 (b) 22/08/2001 (c) 22/0820/01 (d) 2208/20/01
25. 25.📅 The digits 08011952 are a date: day, month, year. Which chunking shows the date? (a) 08/01/1952 (b) 080/119/52 (c) 0801/19/52 (d) 08/0119/52
26. 26.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.📅 The digits 02031964 are a date: day, month, year. Which chunking shows the date? (a) 02/03/1964 (b) 020/319/64 (c) 0203/19/64 (d) 02/0319/64
28. 28.📅 The digits 25011950 are a date: day, month, year. Which chunking shows the date? (a) 25/0119/50 (b) 250/119/50 (c) 25/01/1950 (d) 2501/19/50
29. 29.🔢 Chunking works for… (a) nothing at all (b) numbers and letter lists (c) only numbers (d) only pictures
30. 30.🔢 You want to remember the number 965461958. Which chunked version keeps every digit in the same order? (a) 965 461 958 (b) 695 461 958 (c) 654 619 58 (d) 965 461 9958
31. 31.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
32. 32.📅 The digits 01071986 are a date: day, month, year. Which chunking shows the date? (a) 010/719/86 (b) 01/0719/86 (c) 0107/19/86 (d) 01/07/1986
33. 33.🔢 You want to remember the number 3403116808. Which chunked version keeps every digit in the same order? (a) 340 031 16808 (b) 340 311 6808 (c) 430 311 6808 (d) 340 311 608
34. 34.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
35. 35.🔢 You want to remember the number 6396120778. Which chunked version keeps every digit in the same order? (a) 639 621 0778 (b) 396 120 778 (c) 639 612 0778 (d) 639 612 00778
36. 36.🔢 You want to remember the number 290293165265. Which chunked version keeps every digit in the same order? (a) 2902 9316 565 (b) 2902 9316 5265 (c) 2902 9316 65265 (d) 2092 9316 5265
37. 37.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
38. 38.📅 The digits 11112018 are a date: day, month, year. Which chunking shows the date? (a) 1111/20/18 (b) 111/120/18 (c) 11/11/2018 (d) 11/1120/18
39. 39.🔢 You want to remember the number 882041564. Which chunked version keeps every digit in the same order? (a) 888 204 1564 (b) 882 041 564 (c) 828 041 564 (d) 882 415 64
40. 40.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) changes daily (c) means something to you (d) is very long

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