Division
Multiplication
Word Problems
BEDMAS
Others
100
15/5
3
100
7x3
21
100
In Calgary, the temperature in the morning was -14oC, if the temperature dropped 8oC, what is the temperature now?
The temperature is -22oC
100
What does BEDMAS stand for?
B=brackets
E=exponents
D=division
M=multiplication
A=addition
S=subtraction
100
Place these values on a number line: -1, 8, 3, 0, -6, 5, -8
-8, -6, -1, 0, 3, 5, 8
200
-35/7
-5
200
-6x-8
48
200
A school spent $384 to buy a set of 32 calculators. What was the cost of each calculator?
$384/32 = $12 . Each calculator cost $12.
200
-6x4-5
-29
200
-12+9
-3
300
What division equation in this representing?
-16 divide 4=-4
300
What equation is this representing?
-2x3=-6
300
A diver descends below the surface of the water at a rate of 70 feet per minute. What is the depth of the diver after 8 minutes?
-560 ft or the diver has descended 560 ft.
300
When you are faced with a problem like 15-6+8, what would you do and why?
Because subtraction and addition are the opposite operations of each other, they have the same priority level meaning that you do them in the order they appear from left to right. 15-6=9+8=17
300
-7+(-3)
-10
400
What equation is this representing? How can we represent this in a different way?
12 divide 4
4 groups of 3. Another way is 3 groups of 4.
400
What multiplication equation is this representing? What is the other way we could represent this equation?
-2x-5=10 taking away two groups of -5. Another way is taking away 5 groups of -2
400
A new freezer is at room temperature of 22oC. When the freezer is turned on the temperature inside drops 4oC every hour. How long does it take the freezer to reach -10oC?
Temperature change is 32oC, 32/4=8. It took 8 hours
400
-8+(3x(-5))+9
-14
400
What equation is this representing?
12-7=5
500
Represent this equation with integer chips: -12/4
-3
500
Represent this equation with integer chips: 4x5
4x5=20
500
Because the batteries are low, Darren's watch is losing 9 minutes every hour. At 8:00 pm, he sets the watch correctly. What time will his watch show when the correct time is 10:00 am the next day?
14x-9=-126 minutes which means it is 2 hours and 6 minutes less than 10am. The time would show 7:54 am.
500
(14-15+6)x(-4)divide 2
-10
500
Represent with integer chips -2-(-3) and find the answer.
-2-(-3)= -2+3=1