Decimals Practice

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal that represents 5/10.

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 answer directly below the other decimal points.

Front

What is rounding?

Back

Rounding is the process of adjusting the value of a number to make it simpler while keeping it close to the original value. For example, rounding 3.6 to the nearest whole number gives 4.

Front

What is the result of 20.529 + 19.48?

Back

40.009

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the result of 7.13 x 5.5?

Back

39.215

Front

How do you divide 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. Then divide as usual.

Front

What is the result of 45.6 ÷ 3?

Back

15.2

Front

How do you find the price of each item if you know the total and the number of items?

Back

Divide the total amount by the number of items. For example, if Ava earned $59.70 from 6 bracelets, she charged $59.70 ÷ 6 = $9.95 per bracelet.

Front

What is the place value of 5 in the decimal 0.75?

Back

The place value of 5 in 0.75 is 'five hundredths' or 5/100.