Modeling Addition on a Number Line
Model and solve the following problem on a number line:
4 + 3 = ___
7
Model and solve the following problem on a number line:
8 - 4 = ___
8 + -4 = 4
Za'feir said the temperature this morning was 60 degrees. It has increased by 15 degrees since the sun came up. What is the temperature now?
75 degrees
14 + 4 = ___
18
9 - 5 = ___
9 + -5 = 4
Model and solve the following problem on a number line:
-2 + -6 = ___
-8
Model and solve the following problem on a number line:
7 - 12 = ___
7 + -12 = -5
Isa lost 20 points in a round while playing video games, but gained 50 points the next round. What was his total score change?
30 points
-3 + 12 = ___
9
8 - 16 = ___
8 + -16 = -8
Model and solve the following problem on a number line:
9 + -7 = ___
2
Model and solve the following problem on a number line:
-9 - (-9) = ___
-9 + 9 = 0
Ryder owes Ben $15. Ryder receives $20 for his birthday. After he pays Ben back, how much money does Ryder have left?
$5 (and happy birthday Ryder)
-4 + -9 = ___
-13
-2 - 9 = ___
-2 + -9 = -11
Model and solve the following problem on a number line:
3 + -12 = ___
-9
Model and solve the following problem on a number line:
-2 - 8 = ___
-2 + -8 = -10
Keegan scuba dives 30 feet below the surface. He then descends another 20 feet. What is Keegan's position now?
-50 feet or 50 feet below the surface
5 + -13 = ___
-8
-8 - (-10) = ___
-8 + 10 = 2
Model and solve the following problem on a number line:
-3 + -2 + 8 = ___
3
Model and solve the following problem on a number line:
5 - 7 - 4 = ___
5 + -7 + -4 = -6
Major had -$20 in his bank account. He deposits $50. What is his new account balance?
$30
3 + -8 + 5 = ___
0
6 - 3 - 7 = ___
6 + -3 + -7 = -4