Consider the subtraction expression 9 + (-10) on the number line shown. Explain how you would evaluate the expression on the number line.

A. Begin at 10 and move 9 units to the left

B. Begin at 10 and move 9 units to the right

C. Begin at 9 and move 10 units to the right

D. Begin at 9 and move 10 units to the left

Question

Mathematics

Aedan Burgess

3 September, 07:57

Consider the subtraction expression 9 + (-10) on the number line shown. Explain how you would evaluate the expression on the number line.

A. Begin at 10 and move 9 units to the left

B. Begin at 10 and move 9 units to the right

C. Begin at 9 and move 10 units to the right

D. Begin at 9 and move 10 units to the left

+1

Answers (1)

Know the Answer?

Ashlee Middleton · Answer 1

9 + (-10) is the same as saying 9-10.

You would start at your fires number, 9.

When subtracting you move to the left.

Start at 9 and move 10 units left. D

The answer is D