Understanding Addition with Negative Integers
Between the time Iko woke up and lunchtime, the temperature rose by 11°. Then
by the time he went to bed, the temperature dropped by 14°
Write an addition expression for the temperature relative to when Iko woke up.

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte