Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 325 · 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 chunk is easiest to keep when it… (a) means something to you (b) is very long (c) has no pattern (d) changes daily
2. 2.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
4. 4.🔢 You want to remember the number 1381797666. Which chunked version keeps every digit in the same order? (a) 138 179 766 (b) 318 179 7666 (c) 138 179 7666 (d) 138 817 97666
5. 5.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) three chunks, not ten (b) it is a smaller number (c) it has fewer digits (d) it is printed bigger
6. 6.🔢 Instead of holding 11 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
7. 7.📅 The digits 25061957 are a date: day, month, year. Which chunking shows the date? (a) 25/0619/57 (b) 2506/19/57 (c) 250/619/57 (d) 25/06/1957
8. 8.📅 The digits 19091995 are a date: day, month, year. Which chunking shows the date? (a) 190/919/95 (b) 19/0919/95 (c) 19/09/1995 (d) 1909/19/95
9. 9.🔢 You want to remember the number 383994011920. Which chunked version keeps every digit in the same order? (a) 3893 9401 1920 (b) 3839 9401 11920 (c) 3839 9401 1920 (d) 3839 4011 920
10. 10.🔢 What is chunking? (a) writing it twice (b) saying it backwards (c) reading very fast (d) splitting into groups
11. 11.🔢 Which is a good way to chunk the year 1947? (a) 19 and 47 (b) 1 9 4 7 (c) 1 and 947 (d) 194 and 7
12. 12.📅 The digits 08102006 are a date: day, month, year. Which chunking shows the date? (a) 08/10/2006 (b) 08/1020/06 (c) 081/020/06 (d) 0810/20/06
13. 13.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
14. 14.🔢 You want to remember the number 920853578418. Which chunked version keeps every digit in the same order? (a) 9208 5578 418 (b) 9208 5357 84188 (c) 9208 5357 8418 (d) 9208 5358 7418
15. 15.🔢 You want to remember the number 552160290. Which chunked version keeps every digit in the same order? (a) 552 160 290 (b) 521 602 90 (c) 552 106 290 (d) 552 160 2900
16. 16.🔢 You want to remember the number 139926936. Which chunked version keeps every digit in the same order? (a) 139 269 36 (b) 139 926 936 (c) 319 926 936 (d) 139 992 6936
17. 17.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
19. 19.📅 The digits 20102008 are a date: day, month, year. Which chunking shows the date? (a) 20/1020/08 (b) 201/020/08 (c) 20/10/2008 (d) 2010/20/08
20. 20.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
21. 21.📅 The digits 03061988 are a date: day, month, year. Which chunking shows the date? (a) 0306/19/88 (b) 03/06/1988 (c) 03/0619/88 (d) 030/619/88
22. 22.🔢 You want to remember the number 887250632. Which chunked version keeps every digit in the same order? (a) 887 250 632 (b) 887 250 623 (c) 887 250 62 (d) 888 725 0632
23. 23.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
24. 24.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
25. 25.📅 The digits 28071971 are a date: day, month, year. Which chunking shows the date? (a) 2807/19/71 (b) 280/719/71 (c) 28/0719/71 (d) 28/07/1971
26. 26.📅 The digits 14071969 are a date: day, month, year. Which chunking shows the date? (a) 14/07/1969 (b) 1407/19/69 (c) 140/719/69 (d) 14/0719/69
27. 27.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) only numbers (d) numbers and letter lists
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.🔢 You want to remember the number 692011584167. Which chunked version keeps every digit in the same order? (a) 6920 1584 167 (b) 6920 1158 4167 (c) 6692 0115 84167 (d) 6290 1158 4167
30. 30.📅 The digits 19011991 are a date: day, month, year. Which chunking shows the date? (a) 19/0119/91 (b) 190/119/91 (c) 1901/19/91 (d) 19/01/1991
31. 31.📅 The digits 27122014 are a date: day, month, year. Which chunking shows the date? (a) 2712/20/14 (b) 27/1220/14 (c) 271/220/14 (d) 27/12/2014
32. 32.🔢 You want to remember the number 2588831313. Which chunked version keeps every digit in the same order? (a) 258 838 1313 (b) 258 883 131 (c) 258 888 31313 (d) 258 883 1313
33. 33.🔢 You want to remember the number 9411963400. Which chunked version keeps every digit in the same order? (a) 941 196 33400 (b) 941 196 3040 (c) 941 196 3400 (d) 941 963 400
34. 34.📅 The digits 09061974 are a date: day, month, year. Which chunking shows the date? (a) 09/0619/74 (b) 09/06/1974 (c) 0906/19/74 (d) 090/619/74
35. 35.📅 The digits 09051992 are a date: day, month, year. Which chunking shows the date? (a) 09/05/1992 (b) 0905/19/92 (c) 09/0519/92 (d) 090/519/92
36. 36.📅 The digits 02021999 are a date: day, month, year. Which chunking shows the date? (a) 020/219/99 (b) 0202/19/99 (c) 02/0219/99 (d) 02/02/1999
37. 37.🔢 You want to remember the number 9829122978. Which chunked version keeps every digit in the same order? (a) 982 912 978 (b) 928 912 2978 (c) 982 912 22978 (d) 982 912 2978
38. 38.📅 The digits 14031974 are a date: day, month, year. Which chunking shows the date? (a) 1403/19/74 (b) 14/0319/74 (c) 14/03/1974 (d) 140/319/74
39. 39.🔢 You want to remember the number 4720450321. Which chunked version keeps every digit in the same order? (a) 472 045 031 (b) 472 045 0321 (c) 742 045 0321 (d) 472 045 03221
40. 40.📅 The digits 15121992 are a date: day, month, year. Which chunking shows the date? (a) 15/1219/92 (b) 1512/19/92 (c) 15/12/1992 (d) 151/219/92

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