NBT2: Initial Assessment: Adding and Subtracting Within 1000

Front

378 + 200 = _______

Back

578

Front

634 - 200 = _______

Back

434

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 150 and 250?

Back

400

Front

What is the difference between 500 and 300?

Back

200

Front

What does it mean to add?

Back

To add means to combine numbers to get a larger number.

Front

What does it mean to subtract?

Back

To subtract means to take away a number from another number.

Front

If you have 400 and you add 100, what do you get?

Back

500

Front

If you have 600 and you subtract 150, what do you get?

Back

450