Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 549 · 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 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
2. 2.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
3. 3.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 194 and 7 (c) 1 9 4 7 (d) 19 and 47
4. 4.🔢 You want to remember the number 7308390088. Which chunked version keeps every digit in the same order? (a) 730 839 0088 (b) 730 839 0808 (c) 738 390 088 (d) 730 839 00888
5. 5.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) only numbers (d) nothing at all
6. 6.📅 The digits 08042006 are a date: day, month, year. Which chunking shows the date? (a) 08/04/2006 (b) 08/0420/06 (c) 0804/20/06 (d) 080/420/06
7. 7.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
8. 8.📅 The digits 02031975 are a date: day, month, year. Which chunking shows the date? (a) 020/319/75 (b) 0203/19/75 (c) 02/0319/75 (d) 02/03/1975
9. 9.📅 The digits 23022005 are a date: day, month, year. Which chunking shows the date? (a) 230/220/05 (b) 23/02/2005 (c) 23/0220/05 (d) 2302/20/05
10. 10.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it has fewer digits (c) it is printed bigger (d) three chunks, not ten
11. 11.📅 The digits 08111987 are a date: day, month, year. Which chunking shows the date? (a) 08/11/1987 (b) 0811/19/87 (c) 08/1119/87 (d) 081/119/87
12. 12.📅 The digits 03031954 are a date: day, month, year. Which chunking shows the date? (a) 03/0319/54 (b) 03/03/1954 (c) 030/319/54 (d) 0303/19/54
13. 13.📅 The digits 13072003 are a date: day, month, year. Which chunking shows the date? (a) 1307/20/03 (b) 13/0720/03 (c) 13/07/2003 (d) 130/720/03
14. 14.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
16. 16.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
17. 17.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 You want to remember the number 629127212213. Which chunked version keeps every digit in the same order? (a) 6291 2721 22133 (b) 6291 2721 2231 (c) 6912 7212 213 (d) 6291 2721 2213
19. 19.📅 The digits 16071967 are a date: day, month, year. Which chunking shows the date? (a) 16/07/1967 (b) 160/719/67 (c) 1607/19/67 (d) 16/0719/67
20. 20.📅 The digits 22071993 are a date: day, month, year. Which chunking shows the date? (a) 22/0719/93 (b) 2207/19/93 (c) 22/07/1993 (d) 220/719/93
21. 21.🔢 You want to remember the number 887037007. Which chunked version keeps every digit in the same order? (a) 887 037 007 (b) 887 030 707 (c) 888 703 7007 (d) 880 370 07
22. 22.🔢 You want to remember the number 332702324945. Which chunked version keeps every digit in the same order? (a) 3327 0233 24945 (b) 3327 0232 4945 (c) 3327 0232 495 (d) 3327 0234 2945
23. 23.🔢 You want to remember the number 625519162. Which chunked version keeps every digit in the same order? (a) 625 191 62 (b) 625 159 162 (c) 625 519 1622 (d) 625 519 162
24. 24.🔢 You want to remember the number 386255772. Which chunked version keeps every digit in the same order? (a) 386 255 772 (b) 386 257 72 (c) 386 255 7772 (d) 382 655 772
25. 25.🔢 You want to remember the number 551165037. Which chunked version keeps every digit in the same order? (a) 551 165 037 (b) 551 165 07 (c) 555 116 5037 (d) 515 165 037
26. 26.🔢 You want to remember the number 1827832069. Which chunked version keeps every digit in the same order? (a) 182 783 32069 (b) 182 783 2069 (c) 827 832 069 (d) 182 873 2069
27. 27.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
28. 28.📅 The digits 27111953 are a date: day, month, year. Which chunking shows the date? (a) 27/1119/53 (b) 271/119/53 (c) 27/11/1953 (d) 2711/19/53
29. 29.🔢 You want to remember the number 8397732512. Which chunked version keeps every digit in the same order? (a) 839 772 512 (b) 837 973 2512 (c) 839 977 32512 (d) 839 773 2512
30. 30.📅 The digits 12051999 are a date: day, month, year. Which chunking shows the date? (a) 12/05/1999 (b) 120/519/99 (c) 1205/19/99 (d) 12/0519/99
31. 31.🔢 You want to remember the number 183760394. Which chunked version keeps every digit in the same order? (a) 187 360 394 (b) 183 760 34 (c) 183 760 394 (d) 183 760 3944
32. 32.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 7473988733. Which chunked version keeps every digit in the same order? (a) 747 398 8373 (b) 743 988 733 (c) 747 398 8733 (d) 747 399 88733
34. 34.🔢 You want to remember the number 137346172. Which chunked version keeps every digit in the same order? (a) 137 346 17 (b) 133 746 172 (c) 137 346 172 (d) 137 346 1172
35. 35.🔢 You want to remember the number 5880823752. Which chunked version keeps every digit in the same order? (a) 588 082 3752 (b) 858 082 3752 (c) 580 823 752 (d) 588 808 23752
36. 36.📅 The digits 08092001 are a date: day, month, year. Which chunking shows the date? (a) 0809/20/01 (b) 08/0920/01 (c) 080/920/01 (d) 08/09/2001
37. 37.🔢 You want to remember the number 174420608. Which chunked version keeps every digit in the same order? (a) 744 206 08 (b) 174 420 6008 (c) 174 420 608 (d) 174 420 680
38. 38.🔢 You want to remember the number 2977119549. Which chunked version keeps every digit in the same order? (a) 297 711 95499 (b) 297 711 9549 (c) 279 711 9549 (d) 277 119 549
39. 39.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
40. 40.📅 The digits 14072005 are a date: day, month, year. Which chunking shows the date? (a) 14/0720/05 (b) 14/07/2005 (c) 1407/20/05 (d) 140/720/05

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