Multiply
Divide
Process
100
6y = 66
y = 11
100
z/6 =12
z = 72
100
TRUE or FALSE?
Multiplication and Division are opposite operations
TRUE!
200
5d = 30
d = 5
200
s/2 = 6
s = 12
200
2x = 6
What is the calculation we should use to find the missing x value?
6 divided by 2
300
18c = 756
c = 42
300
y/4 = 3
y = 126
300
x/8 = 5
What is the calculation we should use to find the missing x value?
8 times 5
400
36 = 3x
r =12
400
14 = a/2
a = 28
400
Is x = 10 the solution for 9x = 99? Give a reason why you know.
No, because 9 times 10 is NOT equal to 99. Another reason is that 99 divided by 9 is 11, not 10.
500
13x = 543
x = 42
500
r/81 = 4
r = 324
500
Is x = 245 the solution for x/5 = 49? Give a reason why you know.
Yes, because 245 divided by 5 IS equal to 49. Another way to say it is that 5 times 49 equals 245.