Math Vocabulary-Addition and Subtraction Key Words

Both

• Addition

• Subtraction

Answer explanation

The term 'both' indicates the inclusion of two elements, which is best represented by addition. Therefore, the correct answer is Addition.

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.3

CCSS.K.OA.A.5

Less than

• Addition

• Subtraction

Answer explanation

The term 'less than' indicates a comparison where one value is smaller than another. This is represented by subtraction, as it involves finding the difference between two numbers, making 'Subtraction' the correct choice.

Tags

CCSS.K.CC.C.6

CCSS.K.CC.C.7

CCSS.K.OA.A.3

Remains

• Addition

• Subtraction

Answer explanation

The term 'remains' indicates what is left after something is taken away. This aligns with subtraction, which involves taking away a quantity from a total. Therefore, the correct answer is subtraction.

Tags

CCSS.1.OA.B.4

CCSS.1.OA.C.6

CCSS.1.OA.D.8

Altogether

• Addition

• Subtraction

Answer explanation

The term 'altogether' indicates a total or sum, which is achieved through addition. Therefore, the correct answer is 'Addition'.

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.5

Reduce

• Addition

• Subtraction

Answer explanation

To reduce a quantity, you typically perform subtraction. Addition increases a quantity, while subtraction decreases it, making subtraction the correct choice for the term 'reduce'.

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

Increased by

• Addition

• Subtraction

Answer explanation

'Increased by' indicates a process of adding to a quantity. Therefore, the correct choice is 'Addition', as it aligns with the concept of increasing a value.

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.4

CCSS.K.OA.A.5

How many more?

• Addition

• Subtraction

Answer explanation

The question "How many more?" implies finding the difference between two quantities. This requires subtraction, as you are determining what is left after accounting for a certain amount.

Tags

CCSS.K.CC.C.6

CCSS.K.OA.A.1

CCSS.K.OA.A.2

Joined

• Addition

• Subtraction

Answer explanation

The term 'joined' implies bringing things together, which is a process of addition. Therefore, the correct answer is 'Addition', as it reflects the concept of combining or uniting elements.

Tags

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.4

CCSS.K.OA.A.5

Difference

• Addition

• Subtraction

Answer explanation

The term 'difference' in mathematics refers to the result of subtracting one number from another. Therefore, the correct answer is 'Subtraction', as it directly relates to finding the difference between two values.

Tags

CCSS.K.OA.A.2

CCSS.K.OA.A.5

and

• Addition

• Subtraction

Answer explanation

The word 'and' indicates a connection between two elements, which is a fundamental concept in addition. Therefore, the correct answer is 'Addition', as it signifies combining quantities.

Tags

CCSS.K.NBT.A.1

CCSS.K.OA.A.1

CCSS.K.OA.A.2

CCSS.K.OA.A.3

CCSS.K.OA.A.4

CCSS.K.OA.A.5