Decimals-Campfire Chatters 2/12-13

Front

What is a decimal?

Back

A decimal is a number that has a whole part and a fractional part, separated by a decimal point. For example, 2.5 is a decimal.

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 product of 11.39 and 1.6?

Back

18.224

Front

What is the product of 2.79 and 8?

Back

22.32

Front

What is the product of 54.6 and 62.3?

Back

3,401.58

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 56.8 divided by 800?

Back

0.071

Front

How do you calculate the total cost of multiple items?

Back

Multiply the price of one item by the number of items to find the total cost.

Front

If Mrs. Lopez bought apples at $0.45 each and 15 oranges at $0.55 each, how do you find the total cost?

Back

Calculate the cost of apples (0.45 * number of apples) and the cost of oranges (0.55 * 15), then add both costs.

Front

What is the total cost if Mrs. Lopez paid $13.65 for apples and oranges?

Back

She bought 12 apples.