Multiplying and Dividing Decimals in Word Problems 2024 (Mod)

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 that represents 5/10.

Front

How do you multiply decimals?

Back

To multiply decimals, multiply the numbers as if they were whole numbers. Then, count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Front

What is the process for dividing decimals?

Back

To divide decimals, move the decimal point in the divisor to the right until it is a whole number. Move the decimal point in the dividend the same number of places. Then, divide as usual.

Front

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

Back

Multiply the price per item by the quantity to find the total cost. For example, if an item costs $2.50 and you buy 3 items, the total cost is $2.50 x 3 = $7.50.

Front

What is the formula to calculate the weight of an object when given a multiple?

Back

To find the weight of an object that is a multiple of another, multiply the weight of the first object by the given multiple. For example, if a dog weighs 32.8 pounds and another dog weighs 3.6 times as much, the weight is 32.8 x 3.6.

Front

How do you calculate the cost of one item from a total cost?

Back

To find the cost of one item, divide the total cost by the number of items. For example, if 27 books cost $67.50, the cost per book is $67.50 ÷ 27.

Front

What is a coupon discount?

Back

A coupon discount is a reduction in price that can be applied to a purchase. For example, if an item costs $10 and you have a $1 coupon, you pay $9.

Front

How do you calculate the final price after applying a discount?

Back

To find the final price after a discount, subtract the discount amount from the original price. For example, if an item costs $6.00 and you have a $1.50 discount, the final price is $6.00 - $1.50.

Front

What is the importance of estimating in multiplication and division?

Back

Estimating helps to quickly assess whether an answer is reasonable. It can guide you in checking your work and ensuring accuracy.

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 = 0.25.