Memory Techniques Worksheet: Formulas and Tables

Memory techniques lesson 23: Formulas, tables and dates · Set 397 · 40 questions

Memory tip (Patterns beat cramming): Smart: know what each letter is, see where it comes from, use it in a few sums, a formula card, test yourself weekly. Weak: copy it 50 times blindly, cram it the last night, never use it in sums, skip what letters mean. The 9s trick: for 9 × n, the tens digit is n − 1 and the ones digit is 10 − n: 9 × 7 → 6 and 3 → 63.

1. 1.📐 Area of a rectangle = length × breadth. What helps you keep it? (a) read it once (b) skip it (c) picture a tiled floor (d) copy it blindly
2. 2.✋ The 9s trick: for 9 × 9, the tens digit is 9 − 1 and the ones digit is 10 − 9. What is 9 × 9?
3. 3.✋ The 9s trick: for 9 × 6, the tens digit is 6 − 1 and the ones digit is 10 − 6. What is 9 × 6?
4. 4.🔢 Use the pattern of the 5 times table. Which of these numbers is in the 5 times table? (a) 40 (b) 41 (c) 43 (d) 38
5. 5.🔢 Use the pattern of the 9 times table. Which of these numbers is in the 9 times table? (a) 47 (b) 46 (c) 44 (d) 45
6. 6.📅 The digits 17031962 are a date: day, month, year. Which chunking shows the date? (a) 1703/19/62 (b) 170/319/62 (c) 17/0319/62 (d) 17/03/1962
7. 7.🔢 Use the pattern of the 11 times table. Which of these numbers is in the 11 times table? (a) 22 (b) 32 (c) 21 (d) 23
8. 8.✋ The 9s trick: for 9 × 5, the tens digit is 5 − 1 and the ones digit is 10 − 5. What is 9 × 5?
9. 9.📐 In the 9 times table from 9 × 1 to 9 × 10, the digits of each answer add up to… (a) 10 (b) 18 (c) 9 (d) 8
10. 10.✋ The 9s trick: for 9 × 3, the tens digit is 3 − 1 and the ones digit is 10 − 3. What is 9 × 3?
11. 11.✋ The 9s trick: for 9 × 4, the tens digit is 4 − 1 and the ones digit is 10 − 4. What is 9 × 4?
12. 12.📅 The digits 06041951 are a date: day, month, year. Which chunking shows the date? (a) 06/04/1951 (b) 060/419/51 (c) 06/0419/51 (d) 0604/19/51
13. 13.🔍 Which is the odd one out? (a) a formula card (b) skip what letters mean (c) see where it comes from (d) draw a labelled picture
14. 14.🔍 Which is the odd one out? (a) draw a labelled picture (b) use it in a few sums (c) test yourself weekly (d) copy it 50 times blindly
15. 15.True or false: “know what each letter is” is a weak way to learn a formula. (a) True (b) False
16. 16.🔍 Which is the odd one out? (a) mix up the letters (b) skip what letters mean (c) never use it in sums (d) draw a labelled picture
17. 17.🔍 Which is the odd one out? (a) know what each letter is (b) never use it in sums (c) skip what letters mean (d) copy it 50 times blindly
18. 18.📐 In the 11 times table up to 11 × 9, each answer… (a) ends in 5 (b) ends in 0 (c) is always odd (d) repeats the digit
19. 19.📅 The digits 16051964 are a date: day, month, year. Which chunking shows the date? (a) 1605/19/64 (b) 16/05/1964 (c) 16/0519/64 (d) 160/519/64
20. 20.Which of these is a weak way to learn a formula? (a) see where it comes from (b) use it in a few sums (c) test yourself weekly (d) cram it the last night
21. 21.Which of these is a weak way to learn a formula? (a) use it in a few sums (b) test yourself weekly (c) skip what letters mean (d) draw a labelled picture
22. 22.📐 Smart or weak way to learn a formula: know what each letter is? (a) a smart way (b) a weak way
23. 23.True or false: “copy it 50 times blindly” is a smart way to learn a formula. (a) True (b) False
24. 24.🔍 Which is the odd one out? (a) draw a labelled picture (b) never use it in sums (c) say it aloud (d) a formula card
25. 25.📐 Every answer in the 5 times table ends in… (a) 0 or 5 (b) any digit (c) 2 or 7 (d) 1 or 6
26. 26.📐 Smart or weak way to learn a formula: use it in a few sums? (a) a smart way (b) a weak way
27. 27.True or false: “draw a labelled picture” is a weak way to learn a formula. (a) True (b) False
28. 28.True or false: “never use it in sums” is a smart way to learn a formula. (a) False (b) True
29. 29.🔢 Use the pattern of the 5 times table. Which of these numbers is in the 5 times table? (a) 61 (b) 58 (c) 63 (d) 60
30. 30.True or false: “skip what letters mean” is a weak way to learn a formula. (a) True (b) False
31. 31.Which of these is a smart way to learn a formula? (a) use it in a few sums (b) skip what letters mean (c) cram it the last night (d) never use it in sums
32. 32.📐 Smart or weak way to learn a formula: read it once? (a) a smart way (b) a weak way
33. 33.📅 The digits 21091951 are a date: day, month, year. Which chunking shows the date? (a) 210/919/51 (b) 21/09/1951 (c) 21/0919/51 (d) 2109/19/51
34. 34.📅 The digits 27071969 are a date: day, month, year. Which chunking shows the date? (a) 27/07/1969 (b) 270/719/69 (c) 2707/19/69 (d) 27/0719/69
35. 35.✋ The 9s trick: for 9 × 8, the tens digit is 8 − 1 and the ones digit is 10 − 8. What is 9 × 8?
36. 36.🔢 Use the pattern of the 9 times table. Which of these numbers is in the 9 times table? (a) 64 (b) 62 (c) 65 (d) 63
37. 37.🔢 Use the pattern of the 9 times table. Which of these numbers is in the 9 times table? (a) 35 (b) 37 (c) 38 (d) 36
38. 38.Which of these is a smart way to learn a formula? (a) copy it 50 times blindly (b) cram it the last night (c) say it aloud (d) never use it in sums
39. 39.Which of these is a weak way to learn a formula? (a) mix up the letters (b) use it in a few sums (c) see where it comes from (d) say it aloud
40. 40.🔍 Which is the odd one out? (a) mix up the letters (b) use it in a few sums (c) never use it in sums (d) copy it 50 times blindly

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