Nov. 21-24

Grade 8 Problem of the Week Nov. 21-24

No calculator. Show your work.

1. Solve 

a) +8 + (-2) x (+3)

b) 5 - 3 + (-4) x (-2)

c) (-2) (4-5)

2. The temperature rose 3 degrees each hour for 8 hours. 

a) Use integers or a drawing, what is the total change in temperature?

b) If the starting temperature was -4, what was the temperature after 6 hours?

3. Write a related division equation for each multiplication equation

a) -4 x -25 = 100

b) +4 x -7 = -28

4. Evaluate

a)       [18-(-4)] (-11)

      (-4) +2

b)     [(-9) - (-2)] x [8+ (-4)]

                    (-14) (-2)