Adding
-7 + 3
-4
-4 - (-7)
3
−3×6
−18
−24÷6
-4
Write a real-world example so that it combines to make zero in each situation below.
a. The temperature during a blizzard is -12 degrees. Then...
The temperature goes up 12 degrees
12 + (-5)
7
18 - 25
-7
7×−8
−56
56÷−7
−8
Create an expression changing the subtraction problem to addition (KAO); then solve:
-17 – 25
-17 + -25 = -42
-8 + (-6)
-14
-12 - 8
-20
−5×−4
20
−48÷−12
4
James and his brother both want a Playstation 5. The Playstation they want will cost them $650. If James and his brother are able to save $50 together each month, how long will it take for them to save up for their Playstation 5?
13 months (1 year and 1 month)
15 + 9
24
30 - (-15)
45
9 x -2
-18
36÷−9
−4
A chemist is observing a solution’s
temperature over a four-hour period that
starts at -12.4°C. In the four hours, the
temperature rises 5.7°C and drops 8.1°C. What
is the temperature of the solution after four
hours?
-15.4
-20 + 13
-7
-7 - (-2)
-5
-12 X -3
36
−81÷9
−9
Laney walks 2 and 1/3 miles to school from her
house and rides the bus home. If she attended
school five days last week, how many total
miles did Laney walk?
11 and 2/3