Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 831 · 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) reading very fast (b) splitting into groups (c) writing it twice (d) saying it backwards
2. 2.📅 The digits 06081964 are a date: day, month, year. Which chunking shows the date? (a) 06/0819/64 (b) 06/08/1964 (c) 060/819/64 (d) 0608/19/64
3. 3.🔢 You want to remember the number 2621768920. Which chunked version keeps every digit in the same order? (a) 262 176 8920 (b) 226 217 68920 (c) 262 176 892 (d) 262 178 6920
4. 4.🔢 You want to remember the number 607623437. Which chunked version keeps every digit in the same order? (a) 600 762 3437 (b) 606 723 437 (c) 607 623 437 (d) 076 234 37
5. 5.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
6. 6.🔢 A chunk is easiest to keep when it… (a) changes daily (b) means something to you (c) has no pattern (d) is very long
7. 7.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
9. 9.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
10. 10.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it has fewer digits (b) three chunks, not ten (c) it is a smaller number (d) it is printed bigger
11. 11.📅 The digits 24071980 are a date: day, month, year. Which chunking shows the date? (a) 240/719/80 (b) 2407/19/80 (c) 24/0719/80 (d) 24/07/1980
12. 12.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
13. 13.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
14. 14.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.🔢 You want to remember the number 340293448460. Which chunked version keeps every digit in the same order? (a) 3402 9344 88460 (b) 3402 9344 860 (c) 3402 9344 8460 (d) 3409 2344 8460
16. 16.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
18. 18.🔢 Which is a good way to chunk the year 1947? (a) 1 9 4 7 (b) 1 and 947 (c) 194 and 7 (d) 19 and 47
19. 19.🔢 You want to remember the number 310743655. Which chunked version keeps every digit in the same order? (a) 310 743 655 (b) 310 473 655 (c) 331 074 3655 (d) 310 743 65
20. 20.🔢 You want to remember the number 137923304700. Which chunked version keeps every digit in the same order? (a) 1372 3304 700 (b) 1379 2330 4700 (c) 1379 2334 0700 (d) 1377 9233 04700
21. 21.🔢 You want to remember the number 9216950517. Which chunked version keeps every digit in the same order? (a) 921 695 0517 (b) 921 695 051 (c) 992 169 50517 (d) 921 695 0157
22. 22.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
23. 23.🔢 You want to remember the number 972151093. Which chunked version keeps every digit in the same order? (a) 972 151 0933 (b) 972 151 093 (c) 971 251 093 (d) 921 510 93
24. 24.📅 The digits 20062012 are a date: day, month, year. Which chunking shows the date? (a) 200/620/12 (b) 2006/20/12 (c) 20/06/2012 (d) 20/0620/12
25. 25.📅 The digits 25061976 are a date: day, month, year. Which chunking shows the date? (a) 25/06/1976 (b) 2506/19/76 (c) 250/619/76 (d) 25/0619/76
26. 26.📅 The digits 09031974 are a date: day, month, year. Which chunking shows the date? (a) 09/0319/74 (b) 09/03/1974 (c) 0903/19/74 (d) 090/319/74
27. 27.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
29. 29.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
30. 30.📅 The digits 01061993 are a date: day, month, year. Which chunking shows the date? (a) 010/619/93 (b) 01/06/1993 (c) 01/0619/93 (d) 0106/19/93
31. 31.📅 The digits 03032022 are a date: day, month, year. Which chunking shows the date? (a) 0303/20/22 (b) 03/03/2022 (c) 030/320/22 (d) 03/0320/22
32. 32.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
33. 33.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
34. 34.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
35. 35.📅 The digits 13011965 are a date: day, month, year. Which chunking shows the date? (a) 13/0119/65 (b) 1301/19/65 (c) 13/01/1965 (d) 130/119/65
36. 36.🔢 You want to remember the number 5138251588. Which chunked version keeps every digit in the same order? (a) 513 285 1588 (b) 513 825 1588 (c) 551 382 51588 (d) 518 251 588
37. 37.🔢 You want to remember the number 687219607. Which chunked version keeps every digit in the same order? (a) 682 196 07 (b) 687 129 607 (c) 687 219 9607 (d) 687 219 607
38. 38.📅 The digits 28092017 are a date: day, month, year. Which chunking shows the date? (a) 28/09/2017 (b) 2809/20/17 (c) 280/920/17 (d) 28/0920/17
39. 39.📅 The digits 13031956 are a date: day, month, year. Which chunking shows the date? (a) 130/319/56 (b) 13/03/1956 (c) 13/0319/56 (d) 1303/19/56
40. 40.📅 The digits 08121958 are a date: day, month, year. Which chunking shows the date? (a) 08/1219/58 (b) 081/219/58 (c) 08/12/1958 (d) 0812/19/58

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