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Adding Real Numbers

Add real numbers using dynamic arrows on a number line. Find the sum of the numbers at the end of the final arrow. Compare the numerical calculation.

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Assessment Questions (4):

What is the final position of 2 + (−1) on a number line?
- A. −1
- B. 1
- C. 2
- D. 3
Which of the equations below is represented by the following graph?
- A. 2 + 5 = 7
- B. 3 + 4 = 7
- C. (− 1) + 8 = 7
- D. 6 + 1 = 7
If the equation 3 + (−3) + 0 + (−6) + 2 + 1 = −3 is graphed on a number line using arrows, how many arrows will point to the left?
- A. 0
- B. 1
- C. 2
- D. 3
Which of the following will result in a negative number?
- A. 7 + (−5)
- B. 1 + (−1)
- C. (−3) + 4
- D. (−3) + 2

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