Countdown to STAAR- 5.2A,5.2B,5.2C

Front

What is expanded form?

Back

Expanded form is a way of writing numbers to show the value of each digit. For example, the number 352 can be written as (3 x 100) + (5 x 10) + (2 x 1).

Front

How do you write 0.352 in expanded form?

Back

(3 x 0.1) + (5 x 0.01) + (2 x 0.001)

Front

What does rounding to the nearest hundredth mean?

Back

Rounding to the nearest hundredth means adjusting a number to the second decimal place, based on the value of the third decimal place.

Front

What is the nearest hundredth of 3.84?

Back

3.84 rounded to the nearest hundredth is 3.84.

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the hundredths place. If it's 5 or more, round up; if it's less than 5, round down.

Front

What is the nearest tenth of 3.618?

Back

3.618 rounded to the nearest tenth is 3.6.

Front

What is the value of the digit in the hundredths place in 46.099?

Back

The value of the digit in the hundredths place in 46.099 is 9.

Front

How do you express 46.099 in expanded form?

Back

(4 x 10) + (6 x 1) + (9 x 0.01) + (9 x 0.001)

Front

What is the purpose of rounding numbers?

Back

Rounding numbers simplifies them, making them easier to work with while maintaining a value close to the original.

Front

What is the difference between rounding up and rounding down?

Back

Rounding up increases the number to the next whole number or decimal place, while rounding down decreases it to the previous whole number or decimal place.