Addition and Subtraction 2-Digit

Front

What is the sum of 38 and 13?

Back

51

Front

What is 452 minus 245?

Back

207

Front

What is the result of 73 minus 12?

Back

61

Front

What is the definition of addition?

Back

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

Front

What is the definition of subtraction?

Back

Subtraction is the mathematical operation of taking one number away from another.

Front

If you have 45 and you add 10, what is the new total?

Back

55

Front

What is the process to check your addition?

Back

To check your addition, you can subtract one of the addends from the sum to see if you get the other addend.

Front

What is the process to check your subtraction?

Back

To check your subtraction, you can add the result to the subtracted number to see if you get the original number.

Front

What is a two-digit number?

Back

A two-digit number is any number from 10 to 99.

Front

How do you represent the number 346 in expanded form?

Back

346 = 300 + 40 + 6.