Unit 2 Decimals Review

Front

What is rounding to the nearest tenth?

Back

Rounding to the nearest tenth means adjusting a number to the closest value that has one digit after the decimal point. For example, 13.09 rounded to the nearest tenth is 13.1.

Front

In the number 3.974, what is the value of the digit 9?

Back

In 3.974, the digit 9 is in the tenths place, which means its value is 0.9.

Front

What is the sum of 11.34 and 0.77?

Back

11.34 + 0.77 = 12.11.

Front

How do you represent six and eighty-four hundredths in expanded form?

Back

Six and eighty-four hundredths can be represented as (6 x 1) + (8 x 0.1) + (4 x 0.01).

Front

What is the difference between 123.6 and 0.08?

Back

123.6 - 0.08 = 123.52.

Front

What does the term 'decimal' mean?

Back

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

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). For example, 1/4 = 0.25.

Front

What is the place value of the digit 5 in the number 45.678?

Back

In 45.678, the digit 5 is in the tens place, which means its value is 50.

Front

What is the value of 0.6 in terms of fractions?

Back

0.6 can be expressed as the fraction 6/10, which simplifies to 3/5.

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the sum directly below the other decimal points.