Multi-Digit Decimal Operations Quiz

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Questions and Answers

What is the result of $12.75 + 3.25$?

$14.50
$16.00
$15.00 (correct)
$15.50

Subtracting a decimal means to take away from a total.

True (A)

What is the product of $4.2$ and $3.5$?

$14.7

To divide $9.6$ by $2$, the result is __________.

<p>$4.8</p> Signup and view all the answers

Match the following operations with their descriptions:

<p>Addition = Combining two numbers to get a total Subtraction = Finding the difference between two numbers Multiplication = Repeated addition of a number Division = Distributing a number into equal parts</p> Signup and view all the answers

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Study Notes

Decimal Addition

$12.75 + 3.25 = 16$
Adding two decimal numbers is like adding two whole numbers, but you need to align the decimal point.

Decimal Subtraction

Decimal subtraction involves taking away one decimal number from another.
For example, $12.75 - 3.25 = 9.5$, this is equivalent to taking away 3.25 units from 12.75 units.

Decimal Multiplication

The product of $4.2$ and $3.5$ is $14.7$.
Multiplying two decimal numbers is similar to multiplying two whole numbers, but we count the total number of places after the decimal point.

Decimal Division

$9.6$ divided by 2 is $4.8$
Decimal division involves dividing one decimal number by another, similar to dividing whole numbers but the result is a decimal.