Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 817 · 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.🔢 You want to remember the number 4862591647. Which chunked version keeps every digit in the same order? (a) 448 625 91647 (b) 486 259 1647 (c) 482 659 1647 (d) 486 251 647
2. 2.🔢 Instead of holding 10 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
3. 3.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
4. 4.🔢 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
5. 5.🔢 You want to remember the number 918055030. Which chunked version keeps every digit in the same order? (a) 198 055 030 (b) 918 055 030 (c) 918 550 30 (d) 918 055 5030
6. 6.🔢 You want to remember the number 590114354480. Which chunked version keeps every digit in the same order? (a) 5901 1435 4480 (b) 9501 1435 4480 (c) 5901 1435 448 (d) 5901 1443 54480
7. 7.🔢 You want to remember the number 982036321177. Which chunked version keeps every digit in the same order? (a) 9820 3631 2177 (b) 8203 6321 177 (c) 9820 3632 1177 (d) 9882 0363 21177
8. 8.🔢 You want to remember the number 6715354510. Which chunked version keeps every digit in the same order? (a) 671 535 4510 (b) 615 354 510 (c) 617 535 4510 (d) 671 535 45510
9. 9.🔢 A 12-digit number is split into chunks of 4 digits each. How many chunks is that?
10. 10.🔢 A chunk is easiest to keep when it… (a) has no pattern (b) means something to you (c) is very long (d) changes daily
11. 11.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) writing it twice (d) reading very fast
12. 12.🔢 You want to remember the number 123022601159. Which chunked version keeps every digit in the same order? (a) 1230 2226 01159 (b) 1230 2260 1159 (c) 2130 2260 1159 (d) 1230 2260 115
13. 13.🔢 You want to remember the number 535749303. Which chunked version keeps every digit in the same order? (a) 535 479 303 (b) 535 749 03 (c) 535 749 303 (d) 533 574 9303
14. 14.📅 The digits 09031982 are a date: day, month, year. Which chunking shows the date? (a) 090/319/82 (b) 09/0319/82 (c) 0903/19/82 (d) 09/03/1982
15. 15.📅 The digits 03091950 are a date: day, month, year. Which chunking shows the date? (a) 0309/19/50 (b) 03/09/1950 (c) 03/0919/50 (d) 030/919/50
16. 16.📅 The digits 19102018 are a date: day, month, year. Which chunking shows the date? (a) 191/020/18 (b) 1910/20/18 (c) 19/10/2018 (d) 19/1020/18
17. 17.🔢 You want to remember the number 989095575951. Which chunked version keeps every digit in the same order? (a) 9890 9557 75951 (b) 9890 9557 5591 (c) 9890 9557 5951 (d) 9890 9557 591
18. 18.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
19. 19.🔢 You want to remember the number 137321257. Which chunked version keeps every digit in the same order? (a) 133 212 57 (b) 137 732 1257 (c) 137 321 257 (d) 137 322 157
20. 20.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
21. 21.🔢 Instead of holding 12 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
22. 22.🔢 You want to remember the number 238322139054. Which chunked version keeps every digit in the same order? (a) 2338 2213 9054 (b) 3832 2139 054 (c) 2383 2221 39054 (d) 2383 2213 9054
23. 23.🔢 You want to remember the number 8422341221. Which chunked version keeps every digit in the same order? (a) 824 234 1221 (b) 842 234 12221 (c) 842 241 221 (d) 842 234 1221
24. 24.🔢 Chunking works for… (a) numbers and letter lists (b) only pictures (c) nothing at all (d) only numbers
25. 25.📅 The digits 12042022 are a date: day, month, year. Which chunking shows the date? (a) 1204/20/22 (b) 120/420/22 (c) 12/0420/22 (d) 12/04/2022
26. 26.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
27. 27.📅 The digits 21011955 are a date: day, month, year. Which chunking shows the date? (a) 2101/19/55 (b) 21/0119/55 (c) 21/01/1955 (d) 210/119/55
28. 28.🔢 You want to remember the number 9841710631. Which chunked version keeps every digit in the same order? (a) 984 171 0631 (b) 998 417 10631 (c) 984 171 0361 (d) 981 710 631
29. 29.🔢 You want to remember the number 306815031673. Which chunked version keeps every digit in the same order? (a) 3068 1503 16733 (b) 3681 5031 673 (c) 3068 1503 1763 (d) 3068 1503 1673
30. 30.📅 The digits 18031960 are a date: day, month, year. Which chunking shows the date? (a) 18/03/1960 (b) 1803/19/60 (c) 180/319/60 (d) 18/0319/60
31. 31.🔢 A 6-digit number is split into chunks of 2 digits each. How many chunks is that?
32. 32.🔢 You want to remember the number 976133120598. Which chunked version keeps every digit in the same order? (a) 7961 3312 0598 (b) 9761 3311 20598 (c) 9761 3312 0598 (d) 9761 3310 598
33. 33.📅 The digits 02041995 are a date: day, month, year. Which chunking shows the date? (a) 02/04/1995 (b) 02/0419/95 (c) 0204/19/95 (d) 020/419/95
34. 34.📅 The digits 02052001 are a date: day, month, year. Which chunking shows the date? (a) 02/05/2001 (b) 0205/20/01 (c) 02/0520/01 (d) 020/520/01
35. 35.🔢 You want to remember the number 8273000316. Which chunked version keeps every digit in the same order? (a) 872 300 0316 (b) 823 000 316 (c) 827 300 00316 (d) 827 300 0316
36. 36.🔢 A 12-digit number is split into chunks of 3 digits each. How many chunks is that?
37. 37.📅 The digits 09071953 are a date: day, month, year. Which chunking shows the date? (a) 09/07/1953 (b) 09/0719/53 (c) 0907/19/53 (d) 090/719/53
38. 38.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
39. 39.🔢 You want to remember the number 8638824440. Which chunked version keeps every digit in the same order? (a) 683 882 4440 (b) 863 824 440 (c) 863 882 4440 (d) 863 882 24440
40. 40.🔢 You want to remember the number 752343871435. Which chunked version keeps every digit in the same order? (a) 7523 4387 145 (b) 7523 4387 1435 (c) 7522 3438 71435 (d) 7253 4387 1435

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