Subtraction to 20

Front

What is subtraction?

Back

Subtraction is a mathematical operation that represents the process of removing objects from a collection. It is the inverse of addition.

Front

What is the result of 10 - 4?

Back

The result is 6.

Front

What is the result of 15 - 5?

Back

The result is 10.

Front

What is the result of 4 - 1?

Back

The result is 3.

Front

What is the result of 17 - 0?

Back

The result is 17.

Front

What is the result of 20 - 4?

Back

The result is 16.

Front

What is the term for the number being subtracted in a subtraction problem?

Back

The term is 'subtrahend'.

Front

What is the term for the number from which another number is subtracted?

Back

The term is 'minuend'.

Front

What is the relationship between subtraction and addition?

Back

Subtraction is the inverse operation of addition; if a + b = c, then c - b = a.

Front

How can you check your subtraction answer?

Back

You can check your subtraction answer by adding the result to the subtrahend; if the sum equals the minuend, the answer is correct.