4A - Decimal Word Problems

Front

What is a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten, represented with a decimal point.

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 importance of place value in decimals?

Back

Place value determines the value of each digit in a decimal number, affecting calculations and comparisons.

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 factors 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 to make it a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Front

What operation would you use to find the total cost of multiple items?

Back

Addition.

Front

What operation would you use to find the difference in price between two items?

Back

Subtraction.

Front

If a product costs $1.50 and you buy 3 of them, how do you calculate the total cost?

Back

Multiply the cost of one product by the number of products: $1.50 x 3 = $4.50.

Front

What is the total cost if you buy a burger for $6.99, fries for $2.49, and a milkshake for $1.99?

Back

$6.99 + $2.49 + $1.99 = $11.47.

Front

How do you estimate the sum of two decimal numbers?

Back

Round each number to the nearest whole number and then add the rounded numbers.