5.2a/c Check in 3

Front

What is rounding in mathematics?

Back

Rounding is the process of adjusting a number to a nearby specified value, often to make it simpler or easier to work with. For example, rounding 6.65 to the nearest whole number gives 7.

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the digit in the hundredths place. If it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.

Front

What is the nearest whole number to 35.985?

Back

The nearest whole number to 35.985 is 36.

Front

What does expanded notation mean?

Back

Expanded notation is a way of writing numbers that shows the value of each digit. For example, 83.069 can be written as (8 x 10) + (3 x 1) + (0 x 0.1) + (6 x 0.01) + (9 x 0.001).

Front

How do you determine the weight of an object when rounding?

Back

To determine the weight of an object when rounding, identify the place value you are rounding to and apply the rounding rules based on the digit to the right.

Front

What is the weight of Yahir's apple rounded to the nearest tenth?

Back

The weight of Yahir's apple, 150.274 grams, rounded to the nearest tenth is 150.3 grams.

Front

What is the purpose of rounding numbers?

Back

The purpose of rounding numbers is to simplify calculations and make numbers easier to understand and communicate.

Front

What is the difference between rounding to the nearest whole number and rounding to the nearest tenth?

Back

Rounding to the nearest whole number considers only the digit in the tenths place, while rounding to the nearest tenth considers the digit in the hundredths place.

Front

How do you round 150.274 grams to the nearest whole number?

Back

To round 150.274 grams to the nearest whole number, look at the tenths place (2). Since it is less than 5, you round down to 150 grams.

Front

What is the rounded value of 6.65 to the nearest hundredth?

Back

The rounded value of 6.65 to the nearest hundredth is 6.65.