Solve each equation. Then, rewrite each addition equation as a subtraction equation.
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Question 4
4.
A mountaineer is changing elevations. Write an expression that represents the difference between the final elevation and beginning elevation. Then write the value of the change. The first one is done for you.
Refer to the puzzle.
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Find the value of each subtraction expression.
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Question 1
1.
247+c=458
Question 2
2.
c+43.87=58.92
Question 3
3.
\frac{15}{8}+c=\frac{51}{8}
Question 5
5.
Fill in the table so that every row and every column sums to 0.
Question 6
6.
Can you find another way to solve this puzzle?
Question 7
7.
For Column A
Question 8
8.
For Column B
Question 9
9.
What do you notice about the expressions in Column A compared to Column B?