Rounding to the nearest 10 & 100

Front

What does it mean to round a number?

Back

Rounding a number means adjusting it to the nearest specified value, such as the nearest ten or hundred.

Front

How do you round a number to the nearest ten?

Back

Look at the digit in the ones place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 34 to the nearest ten.

Back

30

Front

Round 67 to the nearest ten.

Back

70

Front

What is the nearest ten to 82?

Back

80

Front

How do you round a number to the nearest hundred?

Back

Look at the digit in the tens place. If it is 5 or more, round up. If it is 4 or less, round down.

Front

Round 245 to the nearest hundred.

Back

200

Front

Round 678 to the nearest hundred.

Back

700

Front

What is the nearest hundred to 350?

Back

400

Front

Estimate 56 + 34 by rounding to the nearest ten.

Back

60 + 30 = 90