Question 1:
Even and Odd Number Patterns
| 91 81 71 61 51 41 31 21 11 1 | 92 82 72 62 52 42 32 22 12 2 | 93 83 73 63 53 43 33 23 13 3 | 94 84 74 64 54 44 34 24 14 4 | 95 85 75 65 55 45 35 25 15 5 | 96 86 76 66 56 46 36 26 16 6 | 97 87 77 67 57 47 37 27 17 7 | 98 88 78 68 58 48 38 28 18 8 | 99 89 79 69 59 49 39 29 19 9 | 100 90 80 70 60 50 40 30 20 10 |
Half these numbers are in yellow. What patterns do you see in these numbers? Continue the same pattern and fill in the blanks: 96, 98, _____, 102, _____, _____, _____, _____, _____ How far can you continue this pattern? These numbers have a special name. They are called even numbers. Do any of these even numbers end with 3 or 5? What do even numbers end with? Look at the pattern of numbers in blue. Continue the pattern and fill in the blanks: 99, 101, _____, 105, 107, _____, _____, _____ What do the numbers in blue end with? All numbers that end with 1, 3, 5, 7 or 9 are called odd numbers. Write all odd numbers between 400 and 410. _________________________________________________________________ Write all even numbers between 155 and 165. _________________________________________________________________ If we add 1 to any odd number we get an _________ (even/odd) number. If we add 1 to any even number we get an _________ (even/odd) number. What do you get if you add an even number to an odd number?