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Algebra and Word problems on logic
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Second Trimester Test - Math 8 (Part 2)
Sum 1 + 2 + 3 + 4 + 5 6 + 7 + 8 + 9 + 10 5 + 6 + 7 + 8 + 9 10 + 11 + 12 + 13 + 14 Fraction 11 + 12 + 13 + 14 + 15 16 + 17 + 18 + 19 + 20 Fraction 3 + 4 + 5 6 + 7 + 8 7 + 8 + 9 10 + 11 + 12 Sum 1 + 2 + 3 4 + 5 + 6 A. Solve each. Write your final answers in the lowest terms. (6 points)
a. Describe any pattern that you observed. (2 points) b. Use algebra to justify the pattern you observed. (2 points) 1 + 2 + 3 + 4 5 + 6 + 7 + 8 2 + 3 + 4 + 5 6 + 7 + 8 + 9 6 + 7 + 8 + 9 10 + 11 + 12 + 13 Fraction Sum^ Sum 1 + 2 + 3 + 4 + 5 + 6 7 + 8 + 9 + 10 + 11 + 12 4 + 5 + 6 + 7 + 8 + 9 10 + 11 + 12 + 13 + 14 + 15 16 + 17 + 18 + 19 + 20 + 21
Fraction B. Solve each. Write your final answers in the lowest terms. (6 points)
a. Describe any pattern that you observed. (2 points) b. Use algebra to justify the pattern you observed. (2 points)