1
Q
sum
A
The result when two or more numbers are added together.
2
Q
difference
A
the result when one number is subtracted from another
3
Q
When adding or subtracting, it is always helpful to follow these 3 standard steps:
A
Step 1: Line up the decimals according to place value.
Step 2: Place 0s in the empty spaces after the decimal.
Step 3: Add or subtract vertically and bring down the decimal point.
