Rounding and Estimating

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 whole number or specified decimal place.

Front

How do you round a number to the nearest whole number?

Back

To round a number to the nearest whole number, look at the digit in the tenths place. If it is 5 or greater, round up. If it is less than 5, round down.

Front

Estimate the result of 4.8 - 3.2.

Back

2

Front

Estimate the result of 4.3 - 2.7.

Back

1

Front

What is the estimated sum of 12.1 + 3.75?

Back

16

Front

How do you round 53.876 to the nearest whole number?

Back

54

Front

How do you round 12.65 to the nearest whole number?

Back

13

Front

What is estimating in mathematics?

Back

Estimating is finding a number that is close enough to the right answer, often used for quick calculations.

Front

Why is rounding important?

Back

Rounding is important because it simplifies numbers, making calculations easier and faster, especially in everyday situations.

Front

What is the difference between rounding and estimating?

Back

Rounding is adjusting a number to a specific value, while estimating is finding an approximate value.