Unit 6 Dividing Decimals (Jan. SB)

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 divide decimals?

Back

To divide decimals, you can convert the divisor (the number you are dividing by) into a whole number by moving the decimal point to the right. Then, move the decimal point in the dividend (the number being divided) the same number of places to the right and perform the division.

Front

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

Back

2.81 oz.

Front

What is 65.52 ÷ 1.2?

Back

54.6

Front

If a trip is 367.25 miles long and takes 5.75 hours, how many miles did they travel each hour?

Back

63.87 miles

Front

How much does Aliyah make per hour if her paycheck is $111.25 for 12.5 hours of work?

Back

$8.90

Front

What is the formula to calculate speed?

Back

Speed = Distance ÷ Time.

Front

If Gabriela hikes 3.72 miles at an average speed of 1.2 miles per hour, how long will she hike?

Back

3.1 hours.

Front

What is the importance of estimating when dividing decimals?

Back

Estimating helps to check if the answer is reasonable and can guide you in performing the actual division.

Front

What does it mean to round a decimal?

Back

Rounding a decimal means adjusting the number to a nearby value that is easier to work with, often to a certain number of decimal places.