Addition and Subtraction

Front

What is the result of subtracting a smaller number from a larger number?

Back

The result is called the difference.

Front

If there are 12 skittles in a bowl and 8 in a cup, how do you find how many fewer skittles are in the cup?

Back

Subtract the number of skittles in the cup from the number in the bowl: 12 - 8 = 4.

Front

What equation represents the total number of cats if Scarlett has 6 cats and Tania has 2 more?

Back

The equation is 6 + 6 + 2 = 14.

Front

How do you solve the equation 9 + 7 = 6 + __?

Back

You find the missing number by calculating 9 + 7 = 16, then 16 - 6 = 10.

Front

What is a subtraction equation that can be derived from the addition equation 5 + 13 = ?

Back

The subtraction equation is 18 - 5 = 13.

Front

Which expression does NOT equal 16?

Back

6 + 12 does not equal 16; it equals 18.

Front

What is the definition of addition?

Back

Addition is the process of combining two or more numbers to get a total.

Front

What is the definition of subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; one can be used to check the other.

Front

How can you check if your addition is correct?

Back

You can check your addition by using subtraction; if the sum plus the subtracted number equals the original number, it is correct.