Adding, Subtracting, Multiplying, and Dividing Decimals

Front

What is the result of 4.34 ÷ 0.2?

Back

21.7

Front

What is 3.8 x 4?

Back

15.2

Front

Calculate 22 + 4.57 + 8.9.

Back

35.47

Front

What is 14.2 x 15.6?

Back

221.52

Front

What is 2 x 1.2?

Back

2.4

Front

Define a decimal.

Back

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

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

How do you subtract decimals?

Back

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

Front

What is the process of multiplying 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

Explain how to divide decimals.

Back

To divide decimals, you can multiply both the divisor and dividend by 10 until the divisor is a whole number, then divide as usual.