Decimal Operations~Classwork

Front

What is the result of multiplying two decimal numbers?

Back

To multiply two decimal numbers, multiply them 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

How do you divide a decimal by another decimal?

Back

To divide a decimal by another decimal, first convert the divisor to a whole number by moving the decimal point to the right. Move the decimal point in the dividend the same number of places, then divide as usual.

Front

What is the sum of two decimal numbers?

Back

The sum of two decimal numbers is found by aligning the decimal points and adding the numbers as if they were whole numbers, carrying over as necessary.

Front

What is the difference between addition and multiplication of decimals?

Back

Addition combines values to find a total, while multiplication finds the total of one number added to itself a certain number of times.

Front

What is the decimal equivalent of 15%?

Back

The decimal equivalent of 15% is 0.15, which is found by dividing 15 by 100.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is the importance of rounding in decimal operations?

Back

Rounding is important in decimal operations to simplify numbers for easier calculations and to express answers in a more manageable form.

Front

What is the result of 3.5 x 4.92?

Back

The result of 3.5 x 4.92 is 17.22.

Front

What is the result of 0.15 ÷ 0.3?

Back

The result of 0.15 ÷ 0.3 is 0.5.

Front

What is the sum of 46.19 + 82.10?

Back

The sum of 46.19 + 82.10 is 128.29.