Unit 1 Secret Numbers Pattern Worksheet Page 29
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34Write the first 4 numbers in each pattern.
1.
Start at 75. Count back 5 each time.
a)
Start at 100. Count back 3 each time.
b)
Start at 65. Count back 10 each time.
c)
Start at 50. Count back 2 each time.
d)
May-Lin coloured these patterns on a
2.
hundred chart from 100 to 1.
100 99 98 97 96 95 94 93 92 91
90 89 88 87 86 85 84 83 82 81
80 79 78 77 76 75 74 73 72 71
70 69 68 67 66 65 64 63 62 61
60 59 58 57 56 55 54 53 52 51
50 49 48 47 46 45 44 43 42 41
40 39 38 37 36 35 34 33 32 31
30 29 28 27 26 25 24 23 22 21
20 19 18 17 16 15 14 13 12 11
10 9
8
7
6
5
4
3
2
1
Describe the patterns.
How are they the same? How are they different?
Copy each pattern.
3.
Write the pattern rule.
Fill in the missing numbers.
78, 76, 74, 72, ___, ___, ___
35, 30, 25, 20, ___, ___, ___
a)
b)
100, 90, 80, ___, ___, ___, ___
83, 80, 77, ___, ___, ___, ___
c)
d)
Elise wrote this number pattern: 98, 96, 94, 92, 88, 86
4.
Is she missing any numbers?
How do you know?
Suppose you write this pattern: 74, 72, 70, 68, . . .
5.
Will you write 47?
How do you know?
30
Unit 1 Lesson 8
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