Math 3 Digit Addition and Subtraction

What would your estimated sum be when adding 590,645 and 605,456? (Tip: Round to the nearest hundred thousand)

• 1,200,000

• 1,000,000

• 1,254,576

• 40,000

Find the difference. 100,000 - 45,060 

• 43,940

• 56,897

• 54,940

• 67,943

What is my first step when adding and subtracting?

• Go to the tens place

• Go to the ones place

• Go to the hundreds place

• Go to the thousands place

Find the difference. 67,435 - 45,789

• 25,435

• 54,287

• 21,646

• 35,634

What kind of math can I do to check the answer to my subtraction problem?

• Division

• Addition 

• Multiplication

• Fractions

The answer to an addition problem is the...

• sum

• difference

• product

• quotient

Rearranging place values when you carry in addition or borrow in subtraction is called...

• rounding

• factoring

• comparing

• regrouping

When you take numbers away from each other that is

• addition

• multiplication

• subtraction

• division

If I look at 532 and change it to it's near value of 500, I have just _____.

• regrouped

• measured

• subtracted

• rounded

The _____________ is the answer to a subtraction problem.

• addend

• product 

• sum 

• difference