Decimal Operations~Classwork

Front

What is the result of 12.04 - 3.13?

Back

8.91

Front

What is 3.5 x 4.92?

Back

17.22

Front

If Mary biked 95.25 kilometers in 15 days, how many kilometers did she bike each day?

Back

6.35 kilometers

Front

What is 3.7 x 0.43?

Back

1.591

Front

What is 45 + 6.5?

Back

51.5

Front

What is the definition of a decimal?

Back

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

Front

What does it mean to add decimals?

Back

Adding decimals involves aligning the decimal points and adding the numbers as you would with whole numbers.

Front

What is the process for subtracting decimals?

Back

To subtract decimals, align the decimal points and subtract as you would with whole numbers.

Front

How do you multiply decimals?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both factors and place the decimal in the product.

Front

What is the process for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to make it a whole number, and move the decimal point in the dividend the same number of places.