Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 838 · 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 15022011 are a date: day, month, year. Which chunking shows the date? (a) 150/220/11 (b) 15/02/2011 (c) 15/0220/11 (d) 1502/20/11
2. 2.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 You want to remember the number 707278088182. Which chunked version keeps every digit in the same order? (a) 7072 7800 88182 (b) 0772 7808 8182 (c) 7072 7808 8182 (d) 7072 7888 182
4. 4.📅 The digits 11031956 are a date: day, month, year. Which chunking shows the date? (a) 11/0319/56 (b) 1103/19/56 (c) 11/03/1956 (d) 110/319/56
5. 5.🔢 You want to remember the number 412137715. Which chunked version keeps every digit in the same order? (a) 412 137 715 (b) 411 213 7715 (c) 421 377 15 (d) 412 137 175
6. 6.🔢 You want to remember the number 850970221. Which chunked version keeps every digit in the same order? (a) 850 997 0221 (b) 850 970 221 (c) 809 702 21 (d) 580 970 221
7. 7.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
8. 8.🔢 You want to remember the number 289529602. Which chunked version keeps every digit in the same order? (a) 298 529 602 (b) 289 529 60 (c) 289 529 6602 (d) 289 529 602
9. 9.🔢 You want to remember the number 104107399. Which chunked version keeps every digit in the same order? (a) 104 107 939 (b) 104 110 7399 (c) 141 073 99 (d) 104 107 399
10. 10.🔢 You want to remember the number 3365121728. Which chunked version keeps every digit in the same order? (a) 335 121 728 (b) 336 512 1728 (c) 336 511 2728 (d) 336 512 17728
11. 11.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
12. 12.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
13. 13.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) three chunks, not ten (c) it has fewer digits (d) it is printed bigger
14. 14.📅 The digits 25082001 are a date: day, month, year. Which chunking shows the date? (a) 25/08/2001 (b) 2508/20/01 (c) 25/0820/01 (d) 250/820/01
15. 15.🔢 You want to remember the number 518597818880. Which chunked version keeps every digit in the same order? (a) 5185 9818 880 (b) 5185 9788 1880 (c) 5185 9781 88800 (d) 5185 9781 8880
16. 16.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
17. 17.🔢 A chunk is easiest to keep when it… (a) changes daily (b) has no pattern (c) means something to you (d) is very long
18. 18.🔢 You want to remember the number 492068651. Which chunked version keeps every digit in the same order? (a) 492 068 61 (b) 942 068 651 (c) 492 068 6551 (d) 492 068 651
19. 19.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
20. 20.📅 The digits 26021954 are a date: day, month, year. Which chunking shows the date? (a) 2602/19/54 (b) 26/0219/54 (c) 26/02/1954 (d) 260/219/54
21. 21.🔢 You want to remember the number 262262369. Which chunked version keeps every digit in the same order? (a) 262 262 69 (b) 262 262 369 (c) 262 262 639 (d) 262 226 2369
22. 22.📅 The digits 23092022 are a date: day, month, year. Which chunking shows the date? (a) 23/0920/22 (b) 2309/20/22 (c) 23/09/2022 (d) 230/920/22
23. 23.🔢 You want to remember the number 498905224621. Which chunked version keeps every digit in the same order? (a) 4989 0522 461 (b) 4989 5022 4621 (c) 4989 0522 4621 (d) 4989 0522 46211
24. 24.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
25. 25.🔢 What is chunking? (a) reading very fast (b) saying it backwards (c) writing it twice (d) splitting into groups
26. 26.📅 The digits 13022000 are a date: day, month, year. Which chunking shows the date? (a) 130/220/00 (b) 1302/20/00 (c) 13/0220/00 (d) 13/02/2000
27. 27.🔢 You want to remember the number 217411447900. Which chunked version keeps every digit in the same order? (a) 2174 1144 7900 (b) 2174 1147 900 (c) 2177 4114 47900 (d) 2147 1144 7900
28. 28.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 You want to remember the number 368327632. Which chunked version keeps every digit in the same order? (a) 683 276 32 (b) 363 827 632 (c) 368 327 632 (d) 368 322 7632
30. 30.📅 The digits 14071968 are a date: day, month, year. Which chunking shows the date? (a) 14/07/1968 (b) 1407/19/68 (c) 140/719/68 (d) 14/0719/68
31. 31.🔢 You want to remember the number 539763403. Which chunked version keeps every digit in the same order? (a) 539 976 3403 (b) 539 763 403 (c) 537 963 403 (d) 397 634 03
32. 32.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
33. 33.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
34. 34.📅 The digits 23121987 are a date: day, month, year. Which chunking shows the date? (a) 23/12/1987 (b) 231/219/87 (c) 2312/19/87 (d) 23/1219/87
35. 35.🔢 You want to remember the number 132170190900. Which chunked version keeps every digit in the same order? (a) 1322 1701 90900 (b) 1327 1019 0900 (c) 1321 7019 0900 (d) 1317 0190 900
36. 36.📅 The digits 02081965 are a date: day, month, year. Which chunking shows the date? (a) 02/08/1965 (b) 02/0819/65 (c) 0208/19/65 (d) 020/819/65
37. 37.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
38. 38.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 9 4 7 (d) 1 and 947
39. 39.📅 The digits 18091961 are a date: day, month, year. Which chunking shows the date? (a) 18/0919/61 (b) 180/919/61 (c) 1809/19/61 (d) 18/09/1961
40. 40.📅 The digits 05041975 are a date: day, month, year. Which chunking shows the date? (a) 05/0419/75 (b) 0504/19/75 (c) 05/04/1975 (d) 050/419/75

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