Unit 6 Dividing Decimals (Jan. SB)

Front

What is the process of dividing decimals?

Back

Dividing decimals involves dividing the numbers as if they were whole numbers, then placing the decimal point in the quotient based on the decimal places in the dividend and divisor.

Front

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

Back

To find the cost per unit, divide the total cost by the quantity. For example, if 3.5 gallons of gas cost $4.55, the cost per gallon is $4.55 ÷ 3.5 = $1.30.

Front

What is the weight of each waffle if a box of 8 waffles weighs 26.90 ounces and the box itself weighs 4.42 ounces?

Back

First, subtract the weight of the box from the total weight: 26.90 oz - 4.42 oz = 22.48 oz. Then, divide by the number of waffles: 22.48 oz ÷ 8 = 2.81 oz per waffle.

Front

Calculate 20.4 ÷ 3.

Back

6.8

Front

Calculate 14.28 ÷ 4.2.

Back

3.4

Front

If Jan has 15.75 yards of material and needs 2.5 yards for each puppet, how many puppets can she make?

Back

To find the number of puppets, divide the total material by the amount needed per puppet: 15.75 ÷ 2.5 = 6 puppets.

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

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. For example, rounding 2.78 to the nearest whole number gives 3.

Front

What is the importance of decimal placement in division?

Back

Decimal placement in division is crucial because it determines the value of the quotient. The decimal point in the answer is placed directly above the decimal point in the dividend.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator. For example, 1/4 = 1 ÷ 4 = 0.25.