Decimal Operations

Front

What is a dividend in a division problem?

Back

The dividend is the number that is being divided. For example, in 14 ÷ 7 = 2, 14 is the dividend.

Front

If peaches cost $2.50 per pound, how do you calculate the total cost for multiple pounds?

Back

Multiply the cost per pound by the number of pounds. For example, $2.50 x 3 pounds = $7.50.

Front

How do you find the total distance traveled if you ride around a trail multiple times?

Back

Multiply the length of the trail by the number of times you rode around it. For example, 8.54 miles x 4 = 34.16 miles.

Front

What is the sum of 31.5 and 6.24?

Back

31.5 + 6.24 = 37.74.

Front

How do you multiply a decimal by a whole number?

Back

Multiply as you would with whole numbers, then place the decimal point in the product. For example, 18.7 x 6 = 112.2.

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 from the fractional part.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting its value to make it simpler while keeping it close to the original value.

Front

What is the place value of the digit 5 in the number 3.45?

Back

In 3.45, the digit 5 is in the hundredths place.

Front

How do you convert a fraction to a decimal?

Back

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

Front

What is the difference between addition and subtraction of decimals?

Back

Addition combines values, while subtraction finds the difference between values. Both require aligning the decimal points.