Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 422 · 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 06061989 are a date: day, month, year. Which chunking shows the date? (a) 06/0619/89 (b) 0606/19/89 (c) 060/619/89 (d) 06/06/1989
2. 2.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it has fewer digits (c) it is a smaller number (d) three chunks, not ten
3. 3.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
4. 4.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
5. 5.🔢 You want to remember the number 188103752. Which chunked version keeps every digit in the same order? (a) 818 103 752 (b) 188 103 752 (c) 188 103 52 (d) 188 810 3752
6. 6.🔢 You want to remember the number 3085523717. Which chunked version keeps every digit in the same order? (a) 330 855 23717 (b) 308 552 3717 (c) 305 852 3717 (d) 308 552 371
7. 7.📅 The digits 27011983 are a date: day, month, year. Which chunking shows the date? (a) 27/01/1983 (b) 270/119/83 (c) 2701/19/83 (d) 27/0119/83
8. 8.🔢 You want to remember the number 633654321. Which chunked version keeps every digit in the same order? (a) 633 655 4321 (b) 633 654 321 (c) 633 643 21 (d) 633 645 321
9. 9.🔢 You want to remember the number 969951448084. Which chunked version keeps every digit in the same order? (a) 9699 5144 8084 (b) 9969 9514 48084 (c) 9699 1544 8084 (d) 9695 1448 084
10. 10.🔢 You want to remember the number 978121851. Which chunked version keeps every digit in the same order? (a) 971 821 851 (b) 978 121 51 (c) 978 121 851 (d) 978 121 8511
11. 11.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
13. 13.📅 The digits 12062012 are a date: day, month, year. Which chunking shows the date? (a) 1206/20/12 (b) 12/0620/12 (c) 12/06/2012 (d) 120/620/12
14. 14.🔢 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
15. 15.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
16. 16.📅 The digits 14071953 are a date: day, month, year. Which chunking shows the date? (a) 14/07/1953 (b) 14/0719/53 (c) 1407/19/53 (d) 140/719/53
17. 17.📅 The digits 06121993 are a date: day, month, year. Which chunking shows the date? (a) 061/219/93 (b) 06/12/1993 (c) 0612/19/93 (d) 06/1219/93
18. 18.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 3221898575. Which chunked version keeps every digit in the same order? (a) 322 189 88575 (b) 322 898 575 (c) 322 189 8575 (d) 322 188 9575
20. 20.🔢 You want to remember the number 196874632. Which chunked version keeps every digit in the same order? (a) 196 874 362 (b) 168 746 32 (c) 196 874 6322 (d) 196 874 632
21. 21.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
22. 22.🔢 You want to remember the number 792728277. Which chunked version keeps every digit in the same order? (a) 792 728 8277 (b) 792 728 277 (c) 729 728 277 (d) 797 282 77
23. 23.🔢 Chunking works for… (a) nothing at all (b) only numbers (c) only pictures (d) numbers and letter lists
24. 24.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
25. 25.🔢 You want to remember the number 761518894171. Which chunked version keeps every digit in the same order? (a) 7611 8894 171 (b) 7615 1889 4171 (c) 6715 1889 4171 (d) 7615 1888 94171
26. 26.📅 The digits 18122016 are a date: day, month, year. Which chunking shows the date? (a) 18/12/2016 (b) 1812/20/16 (c) 18/1220/16 (d) 181/220/16
27. 27.📅 The digits 19031986 are a date: day, month, year. Which chunking shows the date? (a) 19/0319/86 (b) 1903/19/86 (c) 190/319/86 (d) 19/03/1986
28. 28.🔢 You want to remember the number 5253373561. Which chunked version keeps every digit in the same order? (a) 525 337 3561 (b) 525 337 3516 (c) 525 337 73561 (d) 525 333 561
29. 29.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
30. 30.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
31. 31.📅 The digits 06072015 are a date: day, month, year. Which chunking shows the date? (a) 06/07/2015 (b) 060/720/15 (c) 06/0720/15 (d) 0607/20/15
32. 32.📅 The digits 04021992 are a date: day, month, year. Which chunking shows the date? (a) 040/219/92 (b) 0402/19/92 (c) 04/0219/92 (d) 04/02/1992
33. 33.🔢 You want to remember the number 109716110. Which chunked version keeps every digit in the same order? (a) 109 176 110 (b) 109 716 10 (c) 109 711 6110 (d) 109 716 110
34. 34.📅 The digits 15051975 are a date: day, month, year. Which chunking shows the date? (a) 1505/19/75 (b) 15/05/1975 (c) 150/519/75 (d) 15/0519/75
35. 35.🔢 You want to remember the number 3938278488. Which chunked version keeps every digit in the same order? (a) 393 278 488 (b) 933 827 8488 (c) 393 382 78488 (d) 393 827 8488
36. 36.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
37. 37.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
38. 38.🔢 You want to remember the number 386022305. Which chunked version keeps every digit in the same order? (a) 836 022 305 (b) 386 022 30 (c) 388 602 2305 (d) 386 022 305
39. 39.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
40. 40.🔢 You want to remember the number 666002125. Which chunked version keeps every digit in the same order? (a) 660 602 125 (b) 666 002 1225 (c) 666 002 125 (d) 666 002 15

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