Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 709 · 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) has no pattern (b) means something to you (c) is very long (d) changes daily
2. 2.🔢 A 6-digit number is split into chunks of 3 digits each. How many chunks is that?
3. 3.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
4. 4.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
5. 5.📅 The digits 24042014 are a date: day, month, year. Which chunking shows the date? (a) 2404/20/14 (b) 240/420/14 (c) 24/0420/14 (d) 24/04/2014
6. 6.🔢 What is chunking? (a) reading very fast (b) writing it twice (c) splitting into groups (d) saying it backwards
7. 7.📅 The digits 16071972 are a date: day, month, year. Which chunking shows the date? (a) 16/07/1972 (b) 160/719/72 (c) 16/0719/72 (d) 1607/19/72
8. 8.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is printed bigger (b) it is a smaller number (c) it has fewer digits (d) three chunks, not ten
9. 9.🔢 Which is a good way to chunk the year 1947? (a) 1 and 947 (b) 19 and 47 (c) 194 and 7 (d) 1 9 4 7
10. 10.🔢 A 4-digit number is split into chunks of 2 digits each. How many chunks is that?
11. 11.🔢 Instead of holding 10 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
12. 12.🔢 You want to remember the number 481308373. Which chunked version keeps every digit in the same order? (a) 483 083 73 (b) 481 130 8373 (c) 481 308 373 (d) 481 038 373
13. 13.🔢 You want to remember the number 9014787077. Which chunked version keeps every digit in the same order? (a) 901 487 7077 (b) 901 478 7077 (c) 900 147 87077 (d) 901 487 077
14. 14.🔢 You want to remember the number 265257014. Which chunked version keeps every digit in the same order? (a) 265 257 04 (b) 265 257 014 (c) 265 527 014 (d) 265 257 7014
15. 15.📅 The digits 24071966 are a date: day, month, year. Which chunking shows the date? (a) 240/719/66 (b) 24/07/1966 (c) 2407/19/66 (d) 24/0719/66
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.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
18. 18.🔢 You want to remember the number 225140251369. Which chunked version keeps every digit in the same order? (a) 2251 4402 51369 (b) 2251 4251 369 (c) 2251 4025 1369 (d) 2251 4025 1396
19. 19.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
20. 20.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
21. 21.🔢 You want to remember the number 295621505017. Which chunked version keeps every digit in the same order? (a) 2952 1505 017 (b) 2995 6215 05017 (c) 2956 2150 5107 (d) 2956 2150 5017
22. 22.🔢 Chunking works for… (a) numbers and letter lists (b) nothing at all (c) only numbers (d) only pictures
23. 23.🔢 You want to remember the number 5985759125. Which chunked version keeps every digit in the same order? (a) 559 857 59125 (b) 598 575 9215 (c) 595 759 125 (d) 598 575 9125
24. 24.📅 The digits 22071994 are a date: day, month, year. Which chunking shows the date? (a) 22/07/1994 (b) 22/0719/94 (c) 2207/19/94 (d) 220/719/94
25. 25.🔢 You want to remember the number 2223728340. Which chunked version keeps every digit in the same order? (a) 222 237 28340 (b) 222 372 3840 (c) 222 328 340 (d) 222 372 8340
26. 26.📅 The digits 21092004 are a date: day, month, year. Which chunking shows the date? (a) 2109/20/04 (b) 210/920/04 (c) 21/0920/04 (d) 21/09/2004
27. 27.🔢 You want to remember the number 965653652. Which chunked version keeps every digit in the same order? (a) 965 655 3652 (b) 965 653 65 (c) 965 563 652 (d) 965 653 652
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 253906816206. Which chunked version keeps every digit in the same order? (a) 2539 0686 1206 (b) 2539 6816 206 (c) 2539 9068 16206 (d) 2539 0681 6206
30. 30.📅 The digits 15111960 are a date: day, month, year. Which chunking shows the date? (a) 1511/19/60 (b) 15/1119/60 (c) 151/119/60 (d) 15/11/1960
31. 31.🔢 Instead of holding 9 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
32. 32.🔢 You want to remember the number 709748803. Which chunked version keeps every digit in the same order? (a) 709 974 8803 (b) 709 748 803 (c) 790 748 803 (d) 097 488 03
33. 33.🔢 You want to remember the number 6711392561. Which chunked version keeps every digit in the same order? (a) 677 113 92561 (b) 617 139 2561 (c) 711 392 561 (d) 671 139 2561
34. 34.🔢 You want to remember the number 3134278364. Which chunked version keeps every digit in the same order? (a) 313 427 8364 (b) 313 278 364 (c) 314 327 8364 (d) 313 427 83664
35. 35.📅 The digits 22051957 are a date: day, month, year. Which chunking shows the date? (a) 2205/19/57 (b) 22/0519/57 (c) 220/519/57 (d) 22/05/1957
36. 36.🔢 You want to remember the number 7016607456. Which chunked version keeps every digit in the same order? (a) 706 607 456 (b) 701 660 7456 (c) 701 660 7465 (d) 701 666 07456
37. 37.🔢 You want to remember the number 770205950. Which chunked version keeps every digit in the same order? (a) 770 259 50 (b) 770 205 950 (c) 772 005 950 (d) 770 200 5950
38. 38.🔢 You want to remember the number 441972510333. Which chunked version keeps every digit in the same order? (a) 4491 7251 0333 (b) 4419 7251 033 (c) 4419 7255 10333 (d) 4419 7251 0333
39. 39.📅 The digits 24041961 are a date: day, month, year. Which chunking shows the date? (a) 2404/19/61 (b) 24/0419/61 (c) 24/04/1961 (d) 240/419/61
40. 40.📅 The digits 01011969 are a date: day, month, year. Which chunking shows the date? (a) 01/0119/69 (b) 010/119/69 (c) 0101/19/69 (d) 01/01/1969

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