decimal review '24

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

Front

How do you subtract decimals?

Back

To subtract decimals, align the numbers by the decimal point and subtract as you would with whole numbers, placing the decimal point in the answer directly below the other decimal points.

Front

What is the result of 80.93 - 68?

Back

12.93

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 8.5 multiplied by 2.3?

Back

19.55

Front

What is the difference between two decimal numbers?

Back

The difference is the result of subtracting one decimal number from another.

Front

If Paulette has a dog that weighs 16.87 kg and another that weighs 20 kg, what is the difference in their weights?

Back

3.13 kg

Front

How do you find the total cost of an item when given the price per unit and the quantity?

Back

Multiply the price per unit by the quantity to find the total cost.

Front

If Celeste bought 4.6m of fabric at $3.57 per meter, what was her total cost?

Back

$16.42

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 you would with whole numbers.