Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 50 · 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.🔢 Chunking works for… (a) nothing at all (b) only pictures (c) numbers and letter lists (d) only numbers
2. 2.📅 The digits 13012004 are a date: day, month, year. Which chunking shows the date? (a) 13/0120/04 (b) 1301/20/04 (c) 130/120/04 (d) 13/01/2004
3. 3.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) saying it backwards (d) splitting into groups
4. 4.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it has fewer digits (c) three chunks, not ten (d) it is a smaller number
5. 5.🔢 You want to remember the number 5278532338. Which chunked version keeps every digit in the same order? (a) 527 852 3338 (b) 527 853 2338 (c) 552 785 32338 (d) 527 853 338
6. 6.🔢 You want to remember the number 5490380987. Which chunked version keeps every digit in the same order? (a) 549 038 987 (b) 549 038 0987 (c) 549 038 00987 (d) 549 030 8987
7. 7.🔢 You want to remember the number 205039505. Which chunked version keeps every digit in the same order? (a) 200 539 505 (b) 205 039 5005 (c) 205 039 505 (d) 205 395 05
8. 8.📅 The digits 01031992 are a date: day, month, year. Which chunking shows the date? (a) 0103/19/92 (b) 01/0319/92 (c) 010/319/92 (d) 01/03/1992
9. 9.🔢 You want to remember the number 287409618296. Which chunked version keeps every digit in the same order? (a) 2740 9618 296 (b) 2870 4961 8296 (c) 2874 0961 8296 (d) 2874 0961 18296
10. 10.🔢 You want to remember the number 580090691. Which chunked version keeps every digit in the same order? (a) 558 009 0691 (b) 580 090 61 (c) 580 090 691 (d) 580 900 691
11. 11.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
12. 12.🔢 You want to remember the number 2006680965. Which chunked version keeps every digit in the same order? (a) 200 668 00965 (b) 200 668 9065 (c) 200 668 0965 (d) 206 680 965
13. 13.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) is very long (c) changes daily (d) means something to you
14. 14.🔢 You want to remember the number 7466424901. Which chunked version keeps every digit in the same order? (a) 766 424 901 (b) 746 642 4910 (c) 744 664 24901 (d) 746 642 4901
15. 15.📅 The digits 28091955 are a date: day, month, year. Which chunking shows the date? (a) 28/0919/55 (b) 280/919/55 (c) 2809/19/55 (d) 28/09/1955
16. 16.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
17. 17.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
18. 18.🔢 A 9-digit number is split into chunks of 3 digits each. How many chunks is that?
19. 19.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.📅 The digits 18081964 are a date: day, month, year. Which chunking shows the date? (a) 18/08/1964 (b) 18/0819/64 (c) 1808/19/64 (d) 180/819/64
22. 22.🔢 You want to remember the number 359172590346. Which chunked version keeps every digit in the same order? (a) 3591 7259 034 (b) 3591 7259 0346 (c) 3591 7259 00346 (d) 3591 7259 0364
23. 23.🔢 You want to remember the number 111161182. Which chunked version keeps every digit in the same order? (a) 111 161 182 (b) 111 161 1882 (c) 111 161 128 (d) 111 111 82
24. 24.📅 The digits 25061997 are a date: day, month, year. Which chunking shows the date? (a) 2506/19/97 (b) 25/0619/97 (c) 25/06/1997 (d) 250/619/97
25. 25.🔢 You want to remember the number 170642048156. Which chunked version keeps every digit in the same order? (a) 1706 4204 81566 (b) 1706 4204 856 (c) 1706 4204 8156 (d) 1076 4204 8156
26. 26.📅 The digits 04041991 are a date: day, month, year. Which chunking shows the date? (a) 04/04/1991 (b) 0404/19/91 (c) 04/0419/91 (d) 040/419/91
27. 27.🔢 Instead of holding 8 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
28. 28.📅 The digits 15081963 are a date: day, month, year. Which chunking shows the date? (a) 1508/19/63 (b) 15/0819/63 (c) 15/08/1963 (d) 150/819/63
29. 29.🔢 You want to remember the number 7929427619. Which chunked version keeps every digit in the same order? (a) 792 942 7169 (b) 792 942 76199 (c) 792 942 7619 (d) 792 947 619
30. 30.🔢 You want to remember the number 904554430641. Which chunked version keeps every digit in the same order? (a) 9045 5443 064 (b) 9045 5443 0641 (c) 9045 5440 3641 (d) 9045 5443 30641
31. 31.📅 The digits 14071975 are a date: day, month, year. Which chunking shows the date? (a) 140/719/75 (b) 14/0719/75 (c) 14/07/1975 (d) 1407/19/75
32. 32.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
33. 33.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
34. 34.🔢 You want to remember the number 618604824. Which chunked version keeps every digit in the same order? (a) 618 604 4824 (b) 618 608 24 (c) 618 604 824 (d) 618 604 842
35. 35.🔢 You want to remember the number 9611552180. Which chunked version keeps every digit in the same order? (a) 961 155 2180 (b) 961 155 280 (c) 961 155 21800 (d) 916 155 2180
36. 36.📅 The digits 12012013 are a date: day, month, year. Which chunking shows the date? (a) 120/120/13 (b) 12/01/2013 (c) 1201/20/13 (d) 12/0120/13
37. 37.🔢 You want to remember the number 134951079961. Which chunked version keeps every digit in the same order? (a) 1395 1079 961 (b) 1349 5107 9961 (c) 1439 5107 9961 (d) 1134 9510 79961
38. 38.🔢 You want to remember the number 966833110630. Which chunked version keeps every digit in the same order? (a) 9663 8311 0630 (b) 9683 3110 630 (c) 9668 3311 06330 (d) 9668 3311 0630
39. 39.🔢 You want to remember the number 3419990731. Which chunked version keeps every digit in the same order? (a) 319 990 731 (b) 341 999 07331 (c) 349 199 0731 (d) 341 999 0731
40. 40.📅 The digits 23031971 are a date: day, month, year. Which chunking shows the date? (a) 230/319/71 (b) 23/0319/71 (c) 2303/19/71 (d) 23/03/1971

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