Question

Use a number line to find each sum.

4+(-3)

-4+7

please help ill give medal and fan!!

Answer 1

Let's focus on 4+(-3)

Answer 2

Do you have a number line in front of you?

Answer 3

no what should i make it look like? @jim_thompson5910

Answer 4

here use this number line

http://www.mathatube.com/sitebuilder/images/number-line-600x271.png

Answer 5

Do you see "4" on the number line?

Answer 6

yes

Answer 7

ok start at 4 on the number line

the `+(-3)` part tacked on means we'll go 3 units to the left

start at 4 and move 3 units to the left. Where do you end up?

Answer 8

1

Answer 9

yes so 4+(-3) = 1

Answer 10

make sense?

Answer 11

yes thank you now the next one

Answer 12

-4+7

start at -4 and move 7 units to the right
we move to the right this time because the "7" is positive (the second value isn't negative like last time)

Answer 13

start at -4 and move 7 units to the right
where do you end up?

Answer 14

3

Answer 15

correct

Answer 16

so -4 + 7 = 3

Answer 17

cool thanks man

Answer 18

no problem