Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 488 · 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.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.🔢 Chunking works for… (a) only pictures (b) numbers and letter lists (c) nothing at all (d) only numbers
3. 3.🔢 You want to remember the number 776065816172. Which chunked version keeps every digit in the same order? (a) 7760 6581 61772 (b) 7760 6586 1172 (c) 7760 6581 6172 (d) 7760 6516 172
4. 4.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
5. 5.🔢 You want to remember the number 405117443. Which chunked version keeps every digit in the same order? (a) 450 117 443 (b) 405 117 443 (c) 405 111 7443 (d) 405 117 44
6. 6.🔢 What is chunking? (a) writing it twice (b) splitting into groups (c) saying it backwards (d) reading very fast
7. 7.🔢 You want to remember the number 2597543752. Which chunked version keeps every digit in the same order? (a) 597 543 752 (b) 259 754 3572 (c) 259 754 3752 (d) 259 754 33752
8. 8.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
9. 9.🔢 You want to remember the number 822789992. Which chunked version keeps every digit in the same order? (a) 822 278 9992 (b) 827 289 992 (c) 822 789 92 (d) 822 789 992
10. 10.🔢 You want to remember the number 6652828470. Which chunked version keeps every digit in the same order? (a) 652 828 470 (b) 666 528 28470 (c) 665 282 4870 (d) 665 282 8470
11. 11.📅 The digits 17011960 are a date: day, month, year. Which chunking shows the date? (a) 170/119/60 (b) 1701/19/60 (c) 17/0119/60 (d) 17/01/1960
12. 12.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) means something to you (d) changes daily
13. 13.🔢 You want to remember the number 777963514390. Which chunked version keeps every digit in the same order? (a) 7779 6351 4390 (b) 7797 6351 4390 (c) 7779 6351 43390 (d) 7796 3514 390
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 910511973089. Which chunked version keeps every digit in the same order? (a) 9101 1973 089 (b) 9105 1119 73089 (c) 9105 1197 3089 (d) 9150 1197 3089
16. 16.📅 The digits 01031990 are a date: day, month, year. Which chunking shows the date? (a) 01/03/1990 (b) 010/319/90 (c) 0103/19/90 (d) 01/0319/90
17. 17.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
18. 18.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.📅 The digits 07061977 are a date: day, month, year. Which chunking shows the date? (a) 0706/19/77 (b) 07/0619/77 (c) 070/619/77 (d) 07/06/1977
20. 20.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.🔢 You want to remember the number 3511532121. Which chunked version keeps every digit in the same order? (a) 531 153 2121 (b) 351 153 32121 (c) 351 132 121 (d) 351 153 2121
22. 22.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
24. 24.🔢 You want to remember the number 9759992805. Which chunked version keeps every digit in the same order? (a) 975 599 92805 (b) 959 992 805 (c) 975 999 8205 (d) 975 999 2805
25. 25.📅 The digits 11032017 are a date: day, month, year. Which chunking shows the date? (a) 1103/20/17 (b) 110/320/17 (c) 11/03/2017 (d) 11/0320/17
26. 26.🔢 You want to remember the number 1520563125. Which chunked version keeps every digit in the same order? (a) 152 056 31225 (b) 520 563 125 (c) 152 506 3125 (d) 152 056 3125
27. 27.🔢 You want to remember the number 9069290570. Which chunked version keeps every digit in the same order? (a) 906 920 9570 (b) 906 929 0570 (c) 906 929 070 (d) 900 692 90570
28. 28.📅 The digits 10021954 are a date: day, month, year. Which chunking shows the date? (a) 10/02/1954 (b) 100/219/54 (c) 1002/19/54 (d) 10/0219/54
29. 29.🔢 You want to remember the number 2065203198. Which chunked version keeps every digit in the same order? (a) 206 520 1398 (b) 206 520 3198 (c) 265 203 198 (d) 206 520 33198
30. 30.📅 The digits 10021976 are a date: day, month, year. Which chunking shows the date? (a) 1002/19/76 (b) 100/219/76 (c) 10/02/1976 (d) 10/0219/76
31. 31.🔢 You want to remember the number 214039821. Which chunked version keeps every digit in the same order? (a) 214 093 821 (b) 214 039 8221 (c) 214 098 21 (d) 214 039 821
32. 32.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) it is printed bigger (c) it is a smaller number (d) three chunks, not ten
33. 33.🔢 You want to remember the number 7985373017. Which chunked version keeps every digit in the same order? (a) 798 537 3107 (b) 798 537 3017 (c) 785 373 017 (d) 799 853 73017
34. 34.🔢 You want to remember the number 348597019. Which chunked version keeps every digit in the same order? (a) 348 597 109 (b) 344 859 7019 (c) 348 590 19 (d) 348 597 019
35. 35.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.🔢 You want to remember the number 749071379813. Which chunked version keeps every digit in the same order? (a) 7490 7137 9813 (b) 7409 7137 9813 (c) 7490 7137 981 (d) 7749 0713 79813
37. 37.🔢 You want to remember the number 500561590. Which chunked version keeps every digit in the same order? (a) 505 615 90 (b) 500 566 1590 (c) 500 561 590 (d) 500 651 590
38. 38.📅 The digits 28051958 are a date: day, month, year. Which chunking shows the date? (a) 280/519/58 (b) 2805/19/58 (c) 28/05/1958 (d) 28/0519/58
39. 39.📅 The digits 07091999 are a date: day, month, year. Which chunking shows the date? (a) 07/09/1999 (b) 0709/19/99 (c) 070/919/99 (d) 07/0919/99
40. 40.🔢 You want to remember the number 257445522. Which chunked version keeps every digit in the same order? (a) 275 445 522 (b) 257 744 5522 (c) 574 455 22 (d) 257 445 522

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