Decimals and money problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten. It is used to represent numbers that are not whole numbers.

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 sum directly below the other decimal points.

Front

What is the total cost of 2 notebooks at $2.25 each and a box of markers at $3.68?

Back

$8.18

Front

If you have $20 and spend $5.25 on a sandwich and $2.75 on a drink, how much money do you have left?

Back

$12.00

Front

How do you subtract decimals?

Back

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

Front

What is the total distance run if someone runs 8.5 miles on one day and 6.3 miles on another?

Back

14.8 miles

Front

How do you find the difference between two decimal numbers?

Back

To find the difference, subtract the smaller number from the larger number, ensuring the decimal points are aligned.

Front

If Louie ran 12.3 miles and Dante ran 4.9 miles, how much farther did Louie run than Dante?

Back

7.4 miles

Front

What is the cost of 2 movie tickets at $9.45 each?

Back

$18.90

Front

If you pay $20 for 2 movie tickets costing $9.45 each, how much change do you receive?

Back

$1.10