Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 882 · 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.🔢 What is chunking? (a) saying it backwards (b) splitting into groups (c) writing it twice (d) reading very fast
2. 2.📅 The digits 10031973 are a date: day, month, year. Which chunking shows the date? (a) 10/0319/73 (b) 100/319/73 (c) 10/03/1973 (d) 1003/19/73
3. 3.🔢 You want to remember the number 552569200665. Which chunked version keeps every digit in the same order? (a) 5525 6900 665 (b) 5525 9620 0665 (c) 5552 5692 00665 (d) 5525 6920 0665
4. 4.🔢 You want to remember the number 603002692720. Which chunked version keeps every digit in the same order? (a) 6033 0026 92720 (b) 6030 0629 2720 (c) 6300 2692 720 (d) 6030 0269 2720
5. 5.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 259299989. Which chunked version keeps every digit in the same order? (a) 295 299 989 (b) 259 299 989 (c) 592 999 89 (d) 259 299 9889
7. 7.🔢 A chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
8. 8.🔢 You want to remember the number 508750842496. Which chunked version keeps every digit in the same order? (a) 5087 5084 2496 (b) 5087 5084 249 (c) 5087 5048 2496 (d) 5508 7508 42496
9. 9.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
10. 10.📅 The digits 05062021 are a date: day, month, year. Which chunking shows the date? (a) 0506/20/21 (b) 05/0620/21 (c) 05/06/2021 (d) 050/620/21
11. 11.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it has fewer digits (c) it is a smaller number (d) it is printed bigger
12. 12.🔢 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
13. 13.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
14. 14.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
15. 15.🔢 You want to remember the number 767903818. Which chunked version keeps every digit in the same order? (a) 767 903 88 (b) 767 093 818 (c) 767 903 818 (d) 767 900 3818
16. 16.📅 The digits 09081952 are a date: day, month, year. Which chunking shows the date? (a) 090/819/52 (b) 0908/19/52 (c) 09/0819/52 (d) 09/08/1952
17. 17.🔢 You want to remember the number 830749171. Which chunked version keeps every digit in the same order? (a) 830 749 71 (b) 380 749 171 (c) 830 749 171 (d) 830 749 9171
18. 18.📅 The digits 16111975 are a date: day, month, year. Which chunking shows the date? (a) 16/11/1975 (b) 1611/19/75 (c) 16/1119/75 (d) 161/119/75
19. 19.🔢 You want to remember the number 560624449016. Which chunked version keeps every digit in the same order? (a) 5606 2444 90016 (b) 5062 4449 016 (c) 5606 2444 9016 (d) 5606 2444 9061
20. 20.🔢 You want to remember the number 270048506866. Which chunked version keeps every digit in the same order? (a) 2770 0485 06866 (b) 7200 4850 6866 (c) 7004 8506 866 (d) 2700 4850 6866
21. 21.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 Chunking works for… (a) only pictures (b) only numbers (c) nothing at all (d) numbers and letter lists
23. 23.🔢 You want to remember the number 522474093174. Which chunked version keeps every digit in the same order? (a) 5224 7409 314 (b) 2524 7409 3174 (c) 5224 7440 93174 (d) 5224 7409 3174
24. 24.🔢 You want to remember the number 791343690. Which chunked version keeps every digit in the same order? (a) 719 343 690 (b) 793 436 90 (c) 791 343 6990 (d) 791 343 690
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
27. 27.🔢 You want to remember the number 356379615. Which chunked version keeps every digit in the same order? (a) 356 379 615 (b) 356 379 6615 (c) 563 796 15 (d) 356 739 615
28. 28.📅 The digits 01052020 are a date: day, month, year. Which chunking shows the date? (a) 01/0520/20 (b) 01/05/2020 (c) 010/520/20 (d) 0105/20/20
29. 29.🔢 You want to remember the number 1466800132. Which chunked version keeps every digit in the same order? (a) 146 680 0312 (b) 146 680 00132 (c) 146 680 0132 (d) 166 800 132
30. 30.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
31. 31.🔢 You want to remember the number 158441184196. Which chunked version keeps every digit in the same order? (a) 1584 4181 4196 (b) 1584 4411 84196 (c) 1584 4118 4196 (d) 1844 1184 196
32. 32.🔢 You want to remember the number 694174632124. Which chunked version keeps every digit in the same order? (a) 6941 7462 124 (b) 6694 1746 32124 (c) 6941 7463 2124 (d) 6941 7643 2124
33. 33.🔢 You want to remember the number 414797545. Which chunked version keeps every digit in the same order? (a) 414 797 545 (b) 414 775 45 (c) 414 779 545 (d) 414 797 5455
34. 34.🔢 You want to remember the number 513102139771. Which chunked version keeps every digit in the same order? (a) 5131 0213 9771 (b) 5310 2139 771 (c) 5113 1021 39771 (d) 5131 0219 3771
35. 35.🔢 You want to remember the number 515799525. Which chunked version keeps every digit in the same order? (a) 551 579 9525 (b) 155 799 525 (c) 515 799 52 (d) 515 799 525
36. 36.📅 The digits 23081965 are a date: day, month, year. Which chunking shows the date? (a) 23/08/1965 (b) 2308/19/65 (c) 23/0819/65 (d) 230/819/65
37. 37.🔢 You want to remember the number 352660789. Which chunked version keeps every digit in the same order? (a) 352 660 789 (b) 356 260 789 (c) 352 660 89 (d) 352 666 0789
38. 38.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.🔢 You want to remember the number 200404783. Which chunked version keeps every digit in the same order? (a) 200 404 73 (b) 020 404 783 (c) 200 404 7783 (d) 200 404 783
40. 40.📅 The digits 16031997 are a date: day, month, year. Which chunking shows the date? (a) 1603/19/97 (b) 160/319/97 (c) 16/0319/97 (d) 16/03/1997

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