Addition/Subtraction within 100 2.NBT.5

Front

What is addition?

Back

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

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 41 and 39?

Back

80

Front

What is the sum of twelve and thirty-nine?

Back

51

Front

What is the difference between ninety-nine and seventy-six?

Back

23

Front

What is the value of 70 - 16?

Back

44

Front

What is the value of 45 + 36?

Back

81

Front

What does the term 'sum' mean?

Back

The sum is the result of adding two or more numbers together.

Front

What does the term 'difference' mean?

Back

The difference is the result of subtracting one number from another.

Front

If you have 10 apples and you add 5 more, how many apples do you have?

Back

15 apples.