5th Grade Go Math Chapter 3 Review

Front

What is estimation in mathematics?

Back

Estimation is a method used to find an approximate value that is close to the actual value. It helps in making quick calculations without needing exact numbers.

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

What does it mean to round to the nearest hundredth?

Back

Rounding to the nearest hundredth means adjusting a number to two decimal places. Look at the third decimal place to decide whether to round up or down.

Front

What is the tenths place in a decimal number?

Back

The tenths place is the first digit to the right of the decimal point. It represents one part out of ten.

Front

How do you find the greatest amount in a data set?

Back

To find the greatest amount in a data set, compare all the values and identify the highest one.

Front

What is the mass of an object?

Back

Mass is a measure of the amount of matter in an object, typically measured in grams or kilograms.

Front

How do you estimate the sum of two decimal numbers?

Back

To estimate the sum of two decimal numbers, round each number to a convenient value and then add those rounded values.

Front

What is the process of rounding?

Back

Rounding is the process of adjusting a number to make it simpler while keeping it close to the original value.

Front

What is a decimal number?

Back

A decimal number is a number that includes a decimal point, separating the whole number part from the fractional part.

Front

What is the purpose of rounding numbers?

Back

The purpose of rounding numbers is to simplify calculations and make numbers easier to work with.