Word Problems
The temperature rose 4°C each hour
for 5 h. Use integers to find the total
change in temperature.
4 X 5 = 20
The temperature rose a total of 20°C.
(+4) X (__) = –32
-8
(–15) / (–3)
+5
Sign Alike = Positive
Signs Unlike = Negative
+4 X -2= ______
A glacier retreated about 2 m per day
for 7 days. Use integers to find the total
change in the length of the glacier.
-2 X 7 = -14
The glacier's length decreased by 14 m.
(–8) X (___) = –56
+7
(+72) / (–8)
-9
The product of two integers is (-38). What do you know about the signs of the two integers?
The signs have to different
-3 X -5= ____
The water level in a well dropped
5 cm each hour. The total drop in the
water level was 30 cm. Use integers to
find how long it took for the water
level to change.
-30 / -5 = 6
It took 6 hours for the water level to drop down 30 cm.
(–20) x (+14)
-280
(__) / (–9) = +10
-90
a positive integer X a positive integer will give you a...
positive integer
(-10) ÷ (-2) = _____
Winnie used the money in her savings
account to pay back a loan from her
mother. Winnie paid back her mother in
12 equal weekly payments. Over the 12
weeks, the balance in Winnie’s savings
account decreased by $132.
By how much did her balance change
each week?
-132 / 12 = - 11
Her account decreased by $11 each week.
Write 2 related multiplication
equations for this division equation.
(+14) / (–7) = –2
(-7) X (-2) = 14
(-2) X (-7) = 14
(__) / (+5) = –12
-60
Circle any expressions that have positive quotients.
(+21) ÷ (-7) (-32) ÷(+4)
(+84) ÷ (+6) (-12) ÷ (-6)
(+84) ÷ (+6) (-12) ÷ (-6)
(-18) ÷ (+3) = ____
An equestrian was penalized a total of
24 points over a number of
performances. The mean number of
points lost per performance was –6.
How many performances did the
equestrian make?
(-24) / (-6) = 4
The equestrian made 4 performances.
Write 2 related multiplication
equations for this division equation.
(–26) / (+2) = –13
(-13) X (+2) = -26
(+2) X (-13) = -26
Write 2 related division equations for this multiplication equation:
(+8) X (-3) = -24
-24 / -3 = +8
-24 / +8 = -3
The product or quotient of two negative integers is ______________
Positive
(-21) ÷ (+7) = ____