How to Add Using the Hundreds Chart

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How to Add Using the Hundreds Chart
1
Your addition problem

Your addition problem

2
Choose the larger addend and circle it on your hundreds chart.

Choose the larger addend and circle it on your hundreds chart.

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3
Then add the tens part of 27....which is 20. Jump down a row for each ten.  Count "10...20"

Then add the tens part of 27....which is 20. Jump down a row for each ten. Count "10...20"

4
Next add the ones...which is 7. This time we will jump horizontally one box at a time. Count  "21, 22, 23, 24, 25, 26, 27."  Circle your answer, the sum...73.

Next add the ones...which is 7. This time we will jump horizontally one box at a time. Count "21, 22, 23, 24, 25, 26, 27." Circle your answer, the sum...73.

5
This time let's try starting at 27.

This time let's try starting at 27.

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Jump down 4 rows to add the 4 tens in 40. "10, 20, 30, 40."

Jump down 4 rows to add the 4 tens in 40. "10, 20, 30, 40."

7
Then add the 6 ones.  "41, 42, 43, 44, 45, 46.". Circle your answer.

Then add the 6 ones. "41, 42, 43, 44, 45, 46.". Circle your answer.

8
Either way, your sum is 73.

Either way, your sum is 73.

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