Keywords
The word "difference" should make you think of which mathematical operation
subtraction
two multiplied by a number is 24
2x=24
2*x=24
2•x=24
2(x)=24
five more than a number k is 12
k+5=12
x+12=22
x=10
Write and solve:
The total of r and 4 is 20.
r+4=20
r=16
The word "MORE" should make you think of which mathematical operation?
addition
the sum of twelve and a number is 17
x+12=17
the product of a number and 6 is 30
6x=30
6*x=30
6•x=30
6(x)=30
x-5=17
x=22
Write and solve:
9 times a number m is 45
9m=45
m=5
The word "quotient" should make you think of which mathematical operation?
division
3 less than a number is 5
x-3=5
the difference of a number w and 11 equals 35
w-11=35
x/4=8
x=32
Write and solve:
A number x divided by 2 is 14.
x/2=14
x=28
The word "each" should make you think of which mathematical operation?
multiplication
the product of a number and 10 is 1000
10x=1000
10*x=1000
10•x=1000
10(x)=1000
the quotient of 12 and a number equals 3
12/x=3
6x=36
x=6
Write and solve:
18 is 10 increased by b.
18=10+b
b=8
When something is written as a fraction, it is indicating the mathematical operation of....
division
one-fifth of some number is 20
1/5x=20
1/5*x=20
1/5•x=20
1/5(x)=20
x/5
twice a number plus seven is 22
2x+7=22
2x=14
x=7
Write and solve:
The difference between a number and 15 is 30
x-15=30
x=45