Adding, Subtracting and Rounding Decimals

Front

What is the sum of 7.9 and 18.72?

Back

26.62

Front

What is the place value of the red number in 12.351?

Back

Hundredths

Front

What is 2 - 0.43?

Back

1.57

Front

What is the sum of 2.98 and 5.3?

Back

8.28

Front

What is 16.06 - 10.1?

Back

5.96

Front

What is the definition of a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point.

Front

What does rounding a decimal mean?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

What is the place value of the digit 3 in 0.43?

Back

Tenths

Front

How do you add decimals?

Back

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

Front

What is the difference between 5.5 and 2.2?

Back

3.3