Decimals Review Flashcardizz

Front

What is a decimal?

Back

A decimal is a fraction whose denominator is a power of ten, represented with a decimal point. For example, 0.5 is a decimal representation of 5/10.

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 value of 0.48 + 0.09?

Back

0.57

Front

How do you find the cost per item when given the total cost and quantity?

Back

Divide the total cost by the number of items. For example, if a 12-pack costs $6.99, the cost per can is $6.99 ÷ 12 = $0.58.

Front

What is the difference between 26.8 and 7.25?

Back

The difference is 19.55.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator. For example, 1/4 = 1 ÷ 4 = 0.25.

Front

What does the term 'hundredths' mean in decimals?

Back

Hundredths refer to the second digit to the right of the decimal point. For example, in 0.48, 8 is in the hundredths place.

Front

How do you round a decimal to the nearest whole number?

Back

Look at the digit to the right of the decimal point. If it is 5 or greater, round up; if it is less than 5, round down.

Front

What is the total cost if Sarah buys 23 caramel lattes at $4.39 each?

Back

$100.97

Front

What is the purpose of a decimal grid?

Back

A decimal grid helps visualize decimal values and their relationships, making it easier to add or compare decimal numbers.