Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 787 · 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 4-digit number is split into chunks of 2 digits each. How many chunks is that?
2. 2.📅 The digits 13121952 are a date: day, month, year. Which chunking shows the date? (a) 131/219/52 (b) 1312/19/52 (c) 13/1219/52 (d) 13/12/1952
3. 3.📅 The digits 05082024 are a date: day, month, year. Which chunking shows the date? (a) 0508/20/24 (b) 050/820/24 (c) 05/0820/24 (d) 05/08/2024
4. 4.🔢 You want to remember the number 736940243028. Which chunked version keeps every digit in the same order? (a) 7369 4402 43028 (b) 7369 4024 3028 (c) 7369 4024 328 (d) 7639 4024 3028
5. 5.🔢 You want to remember the number 952451062176. Which chunked version keeps every digit in the same order? (a) 5245 1062 176 (b) 9524 5106 21766 (c) 9524 5106 2176 (d) 9524 1506 2176
6. 6.🔢 You want to remember the number 929189663. Which chunked version keeps every digit in the same order? (a) 929 819 663 (b) 929 189 63 (c) 929 118 9663 (d) 929 189 663
7. 7.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
8. 8.🔢 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
9. 9.🔢 You want to remember the number 951026185. Which chunked version keeps every digit in the same order? (a) 910 261 85 (b) 951 026 185 (c) 591 026 185 (d) 951 026 1885
10. 10.🔢 You want to remember the number 144951318163. Which chunked version keeps every digit in the same order? (a) 1449 5318 163 (b) 1144 9513 18163 (c) 1449 5311 8163 (d) 1449 5131 8163
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 1 9 4 7 (c) 194 and 7 (d) 19 and 47
12. 12.🔢 Chunking works for… (a) only pictures (b) nothing at all (c) only numbers (d) numbers and letter lists
13. 13.📅 The digits 11122019 are a date: day, month, year. Which chunking shows the date? (a) 111/220/19 (b) 11/1220/19 (c) 11/12/2019 (d) 1112/20/19
14. 14.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
15. 15.📅 The digits 10091958 are a date: day, month, year. Which chunking shows the date? (a) 100/919/58 (b) 10/09/1958 (c) 10/0919/58 (d) 1009/19/58
16. 16.🔢 You want to remember the number 312572842080. Which chunked version keeps every digit in the same order? (a) 3257 2842 080 (b) 3122 5728 42080 (c) 3125 7284 2080 (d) 3125 7824 2080
17. 17.📅 The digits 16061955 are a date: day, month, year. Which chunking shows the date? (a) 160/619/55 (b) 16/06/1955 (c) 1606/19/55 (d) 16/0619/55
18. 18.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
19. 19.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
20. 20.🔢 You want to remember the number 5366962741. Which chunked version keeps every digit in the same order? (a) 536 696 2741 (b) 536 962 741 (c) 563 696 2741 (d) 536 696 62741
21. 21.📅 The digits 28011955 are a date: day, month, year. Which chunking shows the date? (a) 28/01/1955 (b) 2801/19/55 (c) 28/0119/55 (d) 280/119/55
22. 22.📅 The digits 14052004 are a date: day, month, year. Which chunking shows the date? (a) 140/520/04 (b) 1405/20/04 (c) 14/0520/04 (d) 14/05/2004
23. 23.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
24. 24.📅 The digits 16101959 are a date: day, month, year. Which chunking shows the date? (a) 161/019/59 (b) 1610/19/59 (c) 16/10/1959 (d) 16/1019/59
25. 25.📅 The digits 06021965 are a date: day, month, year. Which chunking shows the date? (a) 06/02/1965 (b) 060/219/65 (c) 0602/19/65 (d) 06/0219/65
26. 26.📅 The digits 10071985 are a date: day, month, year. Which chunking shows the date? (a) 1007/19/85 (b) 100/719/85 (c) 10/07/1985 (d) 10/0719/85
27. 27.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
29. 29.🔢 A 10-digit number is split into chunks of 2 digits each. How many chunks is that?
30. 30.📅 The digits 06011990 are a date: day, month, year. Which chunking shows the date? (a) 06/0119/90 (b) 06/01/1990 (c) 0601/19/90 (d) 060/119/90
31. 31.🔢 You want to remember the number 973901098134. Which chunked version keeps every digit in the same order? (a) 9739 0109 8143 (b) 9739 0108 134 (c) 9739 0109 8134 (d) 9739 0109 81134
32. 32.📅 The digits 25011951 are a date: day, month, year. Which chunking shows the date? (a) 250/119/51 (b) 25/01/1951 (c) 25/0119/51 (d) 2501/19/51
33. 33.🔢 You want to remember the number 286089284022. Which chunked version keeps every digit in the same order? (a) 2860 8892 84022 (b) 2860 8928 4022 (c) 2868 9284 022 (d) 2860 8928 4202
34. 34.📅 The digits 12112008 are a date: day, month, year. Which chunking shows the date? (a) 12/1120/08 (b) 12/11/2008 (c) 1211/20/08 (d) 121/120/08
35. 35.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
36. 36.📅 The digits 10051974 are a date: day, month, year. Which chunking shows the date? (a) 10/05/1974 (b) 100/519/74 (c) 1005/19/74 (d) 10/0519/74
37. 37.🔢 You want to remember the number 794267035215. Which chunked version keeps every digit in the same order? (a) 7942 6703 52215 (b) 7942 6703 5215 (c) 7946 7035 215 (d) 7942 7603 5215
38. 38.🔢 You want to remember the number 122108049927. Which chunked version keeps every digit in the same order? (a) 1221 0804 9927 (b) 1221 8049 927 (c) 1221 0804 99277 (d) 1221 0809 4927
39. 39.🔢 You want to remember the number 171315164818. Which chunked version keeps every digit in the same order? (a) 1713 1516 4818 (b) 1713 1516 64818 (c) 1173 1516 4818 (d) 1713 1516 818
40. 40.🔢 You want to remember the number 372213128. Which chunked version keeps every digit in the same order? (a) 732 213 128 (b) 722 131 28 (c) 372 213 128 (d) 372 213 3128

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