Addition and Subtraction word problems using 4-digit numbers

Front

What is the process of addition in mathematics?

Back

Addition is the mathematical operation of combining two or more numbers to get a total or sum.

Front

What is the process of subtraction in mathematics?

Back

Subtraction is the mathematical operation of taking one number away from another to find the difference.

Front

How do you solve a word problem involving addition?

Back

To solve a word problem involving addition, identify the quantities being combined, translate the words into a mathematical equation, and then perform the addition.

Front

How do you solve a word problem involving subtraction?

Back

To solve a word problem involving subtraction, identify the initial quantity and the amount being taken away, translate the words into a mathematical equation, and then perform the subtraction.

Front

What is a 4-digit number?

Back

A 4-digit number is a number that has four digits, ranging from 1,000 to 9,999.

Front

What is the importance of place value in addition and subtraction?

Back

Place value helps in aligning numbers correctly for addition and subtraction, ensuring that digits are added or subtracted in their respective columns (thousands, hundreds, tens, and units).

Front

What is a common strategy for estimating sums and differences?

Back

A common strategy for estimating sums and differences is to round the numbers to the nearest ten or hundred before performing the operation.

Front

What is the term for the result of an addition operation?

Back

The result of an addition operation is called the sum.

Front

What is the term for the result of a subtraction operation?

Back

The result of a subtraction operation is called the difference.

Front

How can you check your work after solving an addition problem?

Back

You can check your work by performing the inverse operation (subtraction) to see if the original numbers can be retrieved.