Rounding to the Nearest Tens and Hundreds

Front

What does it mean to round a number to the nearest ten?

Back

Rounding a number to the nearest ten means adjusting the number to the closest multiple of ten. If the last digit is 5 or more, round up; if it's 4 or less, round down.

Front

What does it mean to round a number to the nearest hundred?

Back

Rounding a number to the nearest hundred means adjusting the number to the closest multiple of one hundred. If the last two digits are 50 or more, round up; if they are 49 or less, round down.

Front

Round 149 to the nearest hundred.

Back

100

Front

Round 894 to the nearest ten.

Back

890

Front

Round 87 to the nearest ten.

Back

90

Front

Round 92 to the nearest ten.

Back

90

Front

Round 18 to the nearest ten.

Back

20

Front

What is the rule for rounding numbers ending in 5?

Back

When rounding numbers that end in 5, you round up to the next whole number if the digit before 5 is odd, and round down if it is even.

Front

How do you determine whether to round up or down when rounding to the nearest ten?

Back

Look at the last digit of the number. If it is 5 or greater, round up; if it is 4 or less, round down.

Front

What is the nearest ten to 45?

Back

50