• Gr 3 Day 3 Math

    Overview: Adding 3-digit Numbers

    Estimated Time: Approximately 45 minutes


    You can use what you know about place value to help you add 3-digit numbers. 

    Quick things to know:

    1. If you cannot print activities, you may write the answers on a sheet of paper.
    2. When you add numbers, the answer is the sum of the numbers.
    3. Always start adding at the ones. Next, move to the tens.  Then add the hundreds.  Finally, add the thousands. 
    4. Don’t forget, if you need to regroup, carry the one to the next place.
    5. Work on mental math for the math facts as much as you can.


    1. Complete the sheet called Gr 3 Day 3 Adding With and Without Regrouping If you are not sure how to answer a question, write a question mark. (?)


     Keep your work in a folder and you may turn it in when you come back to school.