Difference
Subtraction (-)
Altogether
Addition
More
Addition
In all
Addition
Total
Addition
Sum
Addition
Combined
Addition
Both
Addition
Remains
Subtraction
Left
Subtraction
Fewer
Subtraction
Gave away
Subtraction
Less
Subtraction
How many more
Subtractions
Minus
Subtraction
Take away
Subtraction
Far apart
Subtraction
Farther
Subtractions
In each of
Multiplication
Times
Multiplication
Every
Multiplication
At this rate
Multiplication
Equal groups
Division
Per
Division