Embedded Files
Traditional
Traditional
Use place value and columns to line up numbers and add the ones, then tens, then hundreds, carrying over to the next column.
Carrying over is also called Regrouping
Partial Sums
Partial Sums
Write the sum of the hundreds, then the sum of the tens then the sum of the ones, then add them all together.
Compensation
Compensation
Add one or two to make one of the numbers a round number (easy to add), add the new numbers, then subtract the one or two that you added from the answer.
Visual using a Hundred Chart
Visual using a Hundred Chart
A Hundred chart can be useful for counting up by ones and tens. Seeing the relationship between the numbers can help build faster mental math skills.
To practice basic math skills in any language try aaaknow.com/xlate and select the language or for English go to aaaknow.com.
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