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1.
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Use the following table to answer questions 1-5.
Number of
Triangles
Total Number of
Toothpicks 1
3 2
5 3
7 4
9
How many toothpicks will there be when there are 5 triangles?
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2.
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How many toothpicks will there be when there are 15 triangles?
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3.
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What is the pattern in the second column of the table?
a. | add one each time | c. | add three each time | b. | add two each time | d. | add four each
time |
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4.
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If there were 13 toothpicks used, how many triangles would there be?
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5.
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If there were 19 toothpicks used, how many triangles would there be?
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6.
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Use the following diagram to answer questions 6-10.
Shape
Number
Number of Tiles in the
Shape 1
4 2
7
3
10 4
13
How many tiles will there be in shape number 5?
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7.
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How many tiles will there be in shape number 11?
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8.
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What is the pattern rule in the second column?
a. | add 2 each time | c. | add 4 each time | b. | add 3 each time | d. | add 5 each time |
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9.
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If there were 25 tiles used, what would the shape number be?
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10.
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If there were 37 tiles used, what would the shape number be?
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