Mnemonics Worksheet: Chunking Numbers

Memory techniques lesson 10: Chunking numbers · Set 774 · 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.🔢 Instead of holding 9 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
2. 2.📅 The digits 01121953 are a date: day, month, year. Which chunking shows the date? (a) 0112/19/53 (b) 011/219/53 (c) 01/12/1953 (d) 01/1219/53
3. 3.🔢 Chunking works for… (a) only numbers (b) numbers and letter lists (c) nothing at all (d) only pictures
4. 4.🔢 A 15-digit number is split into chunks of 3 digits each. How many chunks is that?
5. 5.🔢 Instead of holding 8 separate digits, you hold them as 4 chunks. How many fewer things do you hold in mind?
6. 6.🔢 You want to remember the number 228087206148. Which chunked version keeps every digit in the same order? (a) 2280 7820 6148 (b) 2280 8720 66148 (c) 2280 8720 6148 (d) 2280 8706 148
7. 7.🔢 You want to remember the number 372680191. Which chunked version keeps every digit in the same order? (a) 372 680 911 (b) 337 268 0191 (c) 372 680 91 (d) 372 680 191
8. 8.🔢 What is chunking? (a) splitting into groups (b) saying it backwards (c) reading very fast (d) writing it twice
9. 9.📅 The digits 22041977 are a date: day, month, year. Which chunking shows the date? (a) 22/04/1977 (b) 2204/19/77 (c) 220/419/77 (d) 22/0419/77
10. 10.🔢 A 8-digit number is split into chunks of 4 digits each. How many chunks is that?
11. 11.📅 The digits 04111963 are a date: day, month, year. Which chunking shows the date? (a) 04/1119/63 (b) 0411/19/63 (c) 04/11/1963 (d) 041/119/63
12. 12.🔢 A 20-digit number is split into chunks of 4 digits each. How many chunks is that?
13. 13.📅 The digits 26052011 are a date: day, month, year. Which chunking shows the date? (a) 260/520/11 (b) 26/0520/11 (c) 2605/20/11 (d) 26/05/2011
14. 14.🔢 Instead of holding 11 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
15. 15.📅 The digits 08121982 are a date: day, month, year. Which chunking shows the date? (a) 081/219/82 (b) 08/1219/82 (c) 08/12/1982 (d) 0812/19/82
16. 16.🔢 Which is a good way to chunk the year 1947? (a) 194 and 7 (b) 1 9 4 7 (c) 1 and 947 (d) 19 and 47
17. 17.📅 The digits 17031986 are a date: day, month, year. Which chunking shows the date? (a) 170/319/86 (b) 1703/19/86 (c) 17/0319/86 (d) 17/03/1986
18. 18.🔢 Why is 987 654 3210 easier to hold than 9876543210? (a) it is a smaller number (b) it is printed bigger (c) it has fewer digits (d) three chunks, not ten
19. 19.📅 The digits 25122010 are a date: day, month, year. Which chunking shows the date? (a) 25/1220/10 (b) 25/12/2010 (c) 251/220/10 (d) 2512/20/10
20. 20.📅 The digits 03042010 are a date: day, month, year. Which chunking shows the date? (a) 0304/20/10 (b) 03/04/2010 (c) 030/420/10 (d) 03/0420/10
21. 21.📅 The digits 20031981 are a date: day, month, year. Which chunking shows the date? (a) 20/03/1981 (b) 2003/19/81 (c) 20/0319/81 (d) 200/319/81
22. 22.🔢 A chunk is easiest to keep when it… (a) is very long (b) has no pattern (c) means something to you (d) changes daily
23. 23.📅 The digits 09081953 are a date: day, month, year. Which chunking shows the date? (a) 0908/19/53 (b) 09/0819/53 (c) 090/819/53 (d) 09/08/1953
24. 24.🔢 You want to remember the number 9521946791. Which chunked version keeps every digit in the same order? (a) 952 194 7691 (b) 921 946 791 (c) 952 219 46791 (d) 952 194 6791
25. 25.🔢 Instead of holding 12 separate digits, you hold them as 3 chunks. How many fewer things do you hold in mind?
26. 26.🔢 You want to remember the number 839223647089. Which chunked version keeps every digit in the same order? (a) 8392 2367 4089 (b) 3922 3647 089 (c) 8392 2364 7089 (d) 8392 2236 47089
27. 27.🔢 You want to remember the number 219948355162. Which chunked version keeps every digit in the same order? (a) 2199 4483 55162 (b) 2919 4835 5162 (c) 2199 4835 5162 (d) 2194 8355 162
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 530551642. Which chunked version keeps every digit in the same order? (a) 530 551 462 (b) 530 516 42 (c) 530 551 642 (d) 530 555 1642
30. 30.📅 The digits 27021987 are a date: day, month, year. Which chunking shows the date? (a) 2702/19/87 (b) 270/219/87 (c) 27/02/1987 (d) 27/0219/87
31. 31.🔢 You want to remember the number 393692175. Which chunked version keeps every digit in the same order? (a) 339 692 175 (b) 339 369 2175 (c) 393 692 175 (d) 393 692 75
32. 32.🔢 A 16-digit number is split into chunks of 4 digits each. How many chunks is that?
33. 33.🔢 You want to remember the number 6794998699. Which chunked version keeps every digit in the same order? (a) 679 949 8699 (b) 679 998 699 (c) 679 499 8699 (d) 679 499 98699
34. 34.📅 The digits 16042021 are a date: day, month, year. Which chunking shows the date? (a) 16/0420/21 (b) 1604/20/21 (c) 16/04/2021 (d) 160/420/21
35. 35.📅 The digits 15091977 are a date: day, month, year. Which chunking shows the date? (a) 150/919/77 (b) 1509/19/77 (c) 15/09/1977 (d) 15/0919/77
36. 36.📅 The digits 12051950 are a date: day, month, year. Which chunking shows the date? (a) 120/519/50 (b) 12/0519/50 (c) 1205/19/50 (d) 12/05/1950
37. 37.🔢 You want to remember the number 280028059115. Which chunked version keeps every digit in the same order? (a) 2800 2805 911 (b) 2800 2800 59115 (c) 2800 2805 9115 (d) 2800 8205 9115
38. 38.🔢 A 8-digit number is split into chunks of 2 digits each. How many chunks is that?
39. 39.📅 The digits 12101952 are a date: day, month, year. Which chunking shows the date? (a) 121/019/52 (b) 1210/19/52 (c) 12/1019/52 (d) 12/10/1952
40. 40.📅 The digits 04031969 are a date: day, month, year. Which chunking shows the date? (a) 04/0319/69 (b) 040/319/69 (c) 0403/19/69 (d) 04/03/1969

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