Rounding, Adding + Subtracting

Front

What is rounding?

Back

Rounding is the process of adjusting a number to make it simpler and easier to work with, usually to the nearest ten, hundred, or other place value.

Front

What does it mean to round to the nearest ten?

Back

Rounding to the nearest ten means finding the closest multiple of ten to a given number.

Front

What is the rule for rounding up?

Back

If the digit in the place value immediately to the right is 5 or greater, round up.

Front

What is the rule for rounding down?

Back

If the digit in the place value immediately to the right is less than 5, round down.

Front

Back

Front

Back

Front

Back

Front

Back

Front

Back

Front

What is addition in mathematics?

Back

Addition is the process of finding the total or sum by combining two or more numbers.