Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 507 · 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 15112021 are a date: day, month, year. Which chunking shows the date? (a) 15/1120/21 (b) 15/11/2021 (c) 151/120/21 (d) 1511/20/21
3. 3.🔢 A chunk is easiest to keep when it… (a) changes daily (b) is very long (c) means something to you (d) has no pattern
4. 4.🔢 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
5. 5.🔢 You want to remember the number 477795879964. Which chunked version keeps every digit in the same order? (a) 4777 9587 9964 (b) 4777 9587 9946 (c) 4777 9587 994 (d) 4477 7958 79964
6. 6.🔢 You want to remember the number 106662750901. Which chunked version keeps every digit in the same order? (a) 1066 6275 09901 (b) 0166 6275 0901 (c) 1066 6275 091 (d) 1066 6275 0901
7. 7.🔢 Chunking works for… (a) only numbers (b) only pictures (c) numbers and letter lists (d) nothing at all
8. 8.🔢 You want to remember the number 411975582178. Which chunked version keeps every digit in the same order? (a) 4119 7558 2178 (b) 4119 7585 2178 (c) 1197 5582 178 (d) 4111 9755 82178
9. 9.🔢 You want to remember the number 596877466. Which chunked version keeps every digit in the same order? (a) 968 774 66 (b) 598 677 466 (c) 596 877 4666 (d) 596 877 466
10. 10.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 19 and 47 (c) 1 9 4 7 (d) 1 and 947
11. 11.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
12. 12.📅 The digits 22091977 are a date: day, month, year. Which chunking shows the date? (a) 22/0919/77 (b) 2209/19/77 (c) 220/919/77 (d) 22/09/1977
13. 13.📅 The digits 08111967 are a date: day, month, year. Which chunking shows the date? (a) 08/11/1967 (b) 081/119/67 (c) 08/1119/67 (d) 0811/19/67
14. 14.🔢 You want to remember the number 413861212927. Which chunked version keeps every digit in the same order? (a) 4138 6121 2927 (b) 4138 6122 927 (c) 4133 8612 12927 (d) 4138 1621 2927
15. 15.📅 The digits 06092018 are a date: day, month, year. Which chunking shows the date? (a) 0609/20/18 (b) 06/09/2018 (c) 06/0920/18 (d) 060/920/18
16. 16.📅 The digits 05121961 are a date: day, month, year. Which chunking shows the date? (a) 051/219/61 (b) 05/12/1961 (c) 05/1219/61 (d) 0512/19/61
17. 17.🔢 You want to remember the number 4975045244. Which chunked version keeps every digit in the same order? (a) 975 045 244 (b) 497 540 5244 (c) 449 750 45244 (d) 497 504 5244
18. 18.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.🔢 You want to remember the number 4991104112. Which chunked version keeps every digit in the same order? (a) 491 104 112 (b) 499 911 04112 (c) 499 110 4112 (d) 499 110 1412
20. 20.🔢 You want to remember the number 3207498718. Which chunked version keeps every digit in the same order? (a) 320 749 8781 (b) 327 498 718 (c) 320 749 8718 (d) 320 749 88718
21. 21.📅 The digits 26102002 are a date: day, month, year. Which chunking shows the date? (a) 2610/20/02 (b) 261/020/02 (c) 26/1020/02 (d) 26/10/2002
22. 22.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
23. 23.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.🔢 You want to remember the number 318755665045. Which chunked version keeps every digit in the same order? (a) 3187 5566 504 (b) 3187 5566 5045 (c) 3817 5566 5045 (d) 3118 7556 65045
25. 25.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 160358954. Which chunked version keeps every digit in the same order? (a) 106 358 954 (b) 160 358 954 (c) 160 335 8954 (d) 163 589 54
27. 27.📅 The digits 20011968 are a date: day, month, year. Which chunking shows the date? (a) 2001/19/68 (b) 20/0119/68 (c) 20/01/1968 (d) 200/119/68
28. 28.🔢 You want to remember the number 427626794513. Which chunked version keeps every digit in the same order? (a) 4276 2679 4513 (b) 4276 2679 4531 (c) 4276 2694 513 (d) 4276 2679 45133
29. 29.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
30. 30.🔢 You want to remember the number 993040865. Which chunked version keeps every digit in the same order? (a) 993 040 865 (b) 993 040 8865 (c) 993 408 65 (d) 993 040 856
31. 31.📅 The digits 10082015 are a date: day, month, year. Which chunking shows the date? (a) 10/08/2015 (b) 10/0820/15 (c) 100/820/15 (d) 1008/20/15
32. 32.🔢 You want to remember the number 2541420262. Which chunked version keeps every digit in the same order? (a) 254 144 20262 (b) 524 142 0262 (c) 254 142 0262 (d) 541 420 262
33. 33.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
34. 34.📅 The digits 19011950 are a date: day, month, year. Which chunking shows the date? (a) 19/01/1950 (b) 190/119/50 (c) 1901/19/50 (d) 19/0119/50
35. 35.📅 The digits 20072005 are a date: day, month, year. Which chunking shows the date? (a) 20/07/2005 (b) 200/720/05 (c) 2007/20/05 (d) 20/0720/05
36. 36.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
37. 37.🔢 You want to remember the number 454281073. Which chunked version keeps every digit in the same order? (a) 454 428 1073 (b) 454 281 073 (c) 454 281 73 (d) 454 821 073
38. 38.🔢 You want to remember the number 404667076. Which chunked version keeps every digit in the same order? (a) 404 667 0766 (b) 404 667 076 (c) 440 667 076 (d) 046 670 76
39. 39.🔢 You want to remember the number 566974070046. Which chunked version keeps every digit in the same order? (a) 5669 7070 046 (b) 5669 7470 0046 (c) 5666 9740 70046 (d) 5669 7407 0046
40. 40.🔢 You want to remember the number 743031738823. Which chunked version keeps every digit in the same order? (a) 7430 3173 882 (b) 7430 3173 8283 (c) 7430 3173 8823 (d) 7743 0317 38823

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