Question

Make a Prediction Predict the sum of -2 + 2. Explain

your prediction and check it using the number line.

Answer 1

My prediction of the sum is 0.

Hope this helps :)

Explanation:

It is 0 because if you owe 2 dollars and you pay it back with 2 dollars then you have 0 dollars owed.

--------------------> 2nd: 2 (positive two - move right)

<-------------------- 1st: - 2 (negative two - move left)

<----------l----------l-----------l----------l----------l--------->

-2 -1 0 1 2