Adding with Number Lines

What needs to be added to get to the circled answer

• 10

• -10

• -17

• 17

Which addition expression matches the problem shown on the number line?

• 3 + -4

• -4 + 3

• 7 + -4

• -4 + 7

• -3 +7 = 10
• 7 + (-3) = 4
• 7 + (-10) = -3
• 10 + (-3) = 7

Look at the number line.

• –2 + 4 =  –2

• –2 + (–4) =  –6

• 4 + (–6) =  –2

• 4 + (–2) =  6

Which addition equation matches the problem shown on the number line?

• 7 + 4 = 11

• 7 + 3 = 10

What equation is modeled?

• 7 + -6 = -6

• 7 + -13 = -6

• 7 + -14 = -6

• -6 + -14 = -6

What equation is modeled?

• 15 + 25 = -10

• 15 + -25 = -10

• -10 + 15 = -10

• -25 + 15 = -10

What needs to be added to get to the circled answer

• 4

• -4

• -2

• 2

What equation is modeled?

• -7 + 8 =1

• -7 + 9 = 1

• 1 + -7 = -7

• 8 + -7 = 1

What equation is modeled?

• 6 + -6 = -6

• -6 + 6 = 12

• 6 + -12 = -6

• -12 + 6 = -6