Question

Write a subtraction sentence using integers. Then write the equivalent addition sentence and explain how to find the sum.

Answer 1

The difference of five and negative 7.
1.       Which becomes 5 – (-1) =  6. Such that 5 + 1 = 6. The total number of fruits available.

Three hundred apples minus thirty oranges.
1.       300 – 30 =  270 fruits

The room temperature of thirty degrees Celsius has risen to fourty-five degrees Celsius. What is the difference of the final and initial temperatures?
1.       45 – 30 = 15

When the ball rose with an acceleration of 2 m/s2 what is the difference between the ball’s acceleration and the gravitational force that acted on it?
1.       -10 - 2 = -12