Identifying key words in addition and subtraction problems

Front

What is the operation represented by the term 'subtraction'?

Back

Subtraction is the mathematical operation of finding the difference between two numbers or quantities.

Front

What does the word 'left' indicate in a mathematical context?

Back

In a mathematical context, 'left' often indicates that something is being taken away or subtracted.

Tags

CCSS.5.NBT.B.7

Front

What does the phrase 'less than' signify in a mathematical expression?

Back

The phrase 'less than' signifies a subtraction operation, indicating that one quantity is smaller than another.

Tags

CCSS.7.NS.A.1C

Front

What does the term 'take away' mean in mathematics?

Back

The term 'take away' refers to the subtraction operation, where a quantity is removed from another.

Tags

CCSS.5.NBT.B.7

Front

What does 'decrease' imply in mathematical terms?

Back

'Decrease' implies a reduction in quantity, which is represented by the subtraction operation.

Tags

CCSS.7.NS.A.1C

Front

What is the result of a subtraction operation called?

Back

The result of a subtraction operation is called the 'difference'.

Front

How can you identify a subtraction problem in a word problem?

Back

Look for keywords such as 'less than', 'take away', 'decrease', or 'left' to identify a subtraction problem.

Tags

CCSS.1.OA.A.1

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; subtraction undoes the effect of addition.

Tags

CCSS.1.OA.A.1

Front

What is the first step in solving a subtraction word problem?

Back

The first step is to identify the quantities involved and the operation required, often indicated by keywords.

Tags

CCSS.5.NBT.B.7

Front

Can subtraction be performed with negative numbers?

Back

Yes, subtraction can be performed with negative numbers, and it follows the same rules as with positive numbers.

Tags

CCSS.7.NS.A.1C