Memory Techniques Worksheet: Formulas and Tables

Memory techniques lesson 23: Formulas, tables and dates · Set 901 · 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.✋ The 9s trick: for 9 × 10, the tens digit is 10 − 1 and the ones digit is 10 − 10. What is 9 × 10?
2. 2.🔢 Use the pattern of the 11 times table. Which of these numbers is in the 11 times table? (a) 100 (b) 98 (c) 109 (d) 99
3. 3.🔢 Use the pattern of the 5 times table. Which of these numbers is in the 5 times table? (a) 88 (b) 83 (c) 86 (d) 85
4. 4.🔢 Use the pattern of the 9 times table. Which of these numbers is in the 9 times table? (a) 90 (b) 89 (c) 92 (d) 91
5. 5.📐 Every answer in the 5 times table ends in… (a) 2 or 7 (b) 1 or 6 (c) 0 or 5 (d) any digit
6. 6.True or false: “draw a labelled picture” is a weak way to learn a formula. (a) True (b) False
7. 7.True or false: “mix up the letters” is a weak way to learn a formula. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) know what each letter is (b) use it in a few sums (c) see where it comes from (d) copy it 50 times blindly
9. 9.True or false: “copy it 50 times blindly” is a smart way to learn a formula. (a) True (b) False
10. 10.📅 The digits 16121981 are a date: day, month, year. Which chunking shows the date? (a) 16/12/1981 (b) 1612/19/81 (c) 161/219/81 (d) 16/1219/81
11. 11.📐 Area of a rectangle = length × breadth. What helps you keep it? (a) copy it blindly (b) skip it (c) picture a tiled floor (d) read it once
12. 12.📐 Smart or weak way to learn a formula: never use it in sums? (a) a weak way (b) a smart way
13. 13.🔍 Which is the odd one out? (a) use it in a few sums (b) know what each letter is (c) draw a labelled picture (d) read it once
14. 14.📐 Smart or weak way to learn a formula: a formula card? (a) a smart way (b) a weak way
15. 15.✋ The 9s trick: for 9 × 8, the tens digit is 8 − 1 and the ones digit is 10 − 8. What is 9 × 8?
16. 16.True or false: “know what each letter is” is a smart way to learn a formula. (a) False (b) True
17. 17.✋ The 9s trick: for 9 × 2, the tens digit is 2 − 1 and the ones digit is 10 − 2. What is 9 × 2?
18. 18.🔍 Which is the odd one out? (a) read it once (b) never use it in sums (c) a formula card (d) mix up the letters
19. 19.📐 Smart or weak way to learn a formula: skip what letters mean? (a) a smart way (b) a weak way
20. 20.🔍 Which is the odd one out? (a) read it once (b) copy it 50 times blindly (c) see where it comes from (d) skip what letters mean
21. 21.📐 Why learn the meaning behind a formula? (a) it looks smart (b) there is no need (c) you can rebuild it (d) it is shorter
22. 22.Which of these is a weak way to learn a formula? (a) see where it comes from (b) skip what letters mean (c) draw a labelled picture (d) test yourself weekly
23. 23.📐 In the 9 times table from 9 × 1 to 9 × 10, the digits of each answer add up to… (a) 18 (b) 10 (c) 9 (d) 8
24. 24.True or false: “cram it the last night” is a smart way to learn a formula. (a) True (b) False
25. 25.True or false: “say it aloud” is a weak way to learn a formula. (a) False (b) True
26. 26.🔢 Use the pattern of the 11 times table. Which of these numbers is in the 11 times table? (a) 54 (b) 45 (c) 43 (d) 44
27. 27.🔍 Which is the odd one out? (a) a formula card (b) draw a labelled picture (c) skip what letters mean (d) test yourself weekly
28. 28.📐 Smart or weak way to learn a formula: draw a labelled picture? (a) a smart way (b) a weak way
29. 29.True or false: “see where it comes from” is a weak way to learn a formula. (a) False (b) True
30. 30.Which of these is a weak way to learn a formula? (a) see where it comes from (b) copy it 50 times blindly (c) use it in a few sums (d) draw a labelled picture
31. 31.✋ The 9s trick: for 9 × 9, the tens digit is 9 − 1 and the ones digit is 10 − 9. What is 9 × 9?
32. 32.✋ The 9s trick: for 9 × 7, the tens digit is 7 − 1 and the ones digit is 10 − 7. What is 9 × 7?
33. 33.True or false: “a formula card” is a weak way to learn a formula. (a) True (b) False
34. 34.📐 Smart or weak way to learn a formula: test yourself weekly? (a) a weak way (b) a smart way
35. 35.📐 Smart or weak way to learn a formula: cram it the last night? (a) a weak way (b) a smart way
36. 36.True or false: “skip what letters mean” is a weak way to learn a formula. (a) False (b) True
37. 37.✋ The 9s trick: for 9 × 6, the tens digit is 6 − 1 and the ones digit is 10 − 6. What is 9 × 6?
38. 38.🔢 Use the pattern of the 9 times table. Which of these numbers is in the 9 times table? (a) 62 (b) 65 (c) 64 (d) 63
39. 39.📐 In the 11 times table up to 11 × 9, each answer… (a) is always odd (b) ends in 5 (c) repeats the digit (d) ends in 0
40. 40.Which of these is a smart way to learn a formula? (a) read it once (b) never use it in sums (c) cram it the last night (d) know what each letter is

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