Grade 9 - Multiplying and Dividing Rational Numbers

Today we are going to finish the last new material before the test on Thursday. When multiplying/dividing rational numbers you must consider two signs the same make a positive and different signs make a negative.
These questions should be similar to the questions the other day. When estimating make sure you use numbers that you can do in your head. It is important to always practice mental math.
pg. 49-53 #1,2,4,5,10,11,13,14,15,17