Adding and Subtracting Decimals

Front

What is the result of 10.09 - 4.35?

Back

5.74

Front

Which statement about the value of the expression 56.21 - 7.89 is true?

Back

It is 48.32 because when you add 48.32 and 7.89, you get 56.21.

Front

What is the sum of 35.61 + 12.93?

Back

48.54

Front

Round 26.541 to the nearest whole number.

Back

27.00

Front

What is the difference between the world record in the long jump (39.3 feet) and Tamara's jump (17.6 feet)?

Back

21.7 feet.

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

How do you add decimals?

Back

Align the decimal points and add as you would whole numbers, then place the decimal point in the sum.

Front

How do you subtract decimals?

Back

Align the decimal points and subtract as you would whole numbers, then place the decimal point in the difference.

Front

What is the value of 0.5 in fraction form?

Back

1/2

Front

What does rounding mean?

Back

Rounding means adjusting a number to make it simpler but keeping its value close to what it was.