Rounding, Estimation, Addition

Front

Round 233 to the nearest 100

Back

200

Front

Round the number 134 to the nearest 10

Back

130

Front

Round 467 to the nearest 100

Back

500

Front

Solve the problem using an open number line: 145 + 35 =

Back

180

Front

Round the number 82 to the nearest 10

Back

80

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 estimate?

Back

Estimating means finding a number that is close enough to the right answer, often by rounding.

Front

What is the nearest ten for the number 76?

Back

80

Front

What is the nearest hundred for the number 345?

Back

300

Front

How do you round a number ending in 5?

Back

If a number ends in 5, you round up to the next whole number.