Adding to 20

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is the sum of 5 and 3?

Back

The sum of 5 and 3 is 8.

Front

What does it mean to add to 20?

Back

Adding to 20 means finding a number that, when added to another number, equals 20.

Front

What is 10 + 10?

Back

10 + 10 = 20.

Front

If you have 7 apples and you add 5 more, how many apples do you have?

Back

You have 12 apples.

Front

What is the result of 15 + 4?

Back

15 + 4 = 19.

Front

What is the missing number in 9 + ? = 20?

Back

The missing number is 11.

Front

If you add 2 to 18, what do you get?

Back

You get 20.

Front

What is 1 + 19?

Back

1 + 19 = 20.

Front

How do you check if your addition is correct?

Back

You can check by subtracting one of the numbers from the sum.