Addition

Addition Strategies

Link to A+ Math at bottom of page for additional practice on your strategies Partial Sums When using partial sums you can work and solve the problem from left to right. You will be working with each place value when solving for the problems. Let's work with the problem:

515 + 242 = ???

 To start we are going to add the numbers in the 100's place value: 5 00 + 2 00 = 7 00

 Now, add the 10's place value:  1 0 + 4 0 = 5 0

 Next, add the numbers in the 1's place value: <span style="color: #ff00ff; display: block; font-family: 'Comic Sans MS',cursive; font-size: 150%; text-align: center;"> 5 + 2 = 7

<span style="color: #ff00ff; display: block; font-family: 'Comic Sans MS',cursive; font-size: 150%; text-align: center;"> The last step is to add all the numbers together to get your sum: <span style="color: #ff00ff; display: block; font-family: 'Comic Sans MS',cursive; font-size: 150%; text-align: center;">700+ 50 + 7 = 757

<span style="color: #ff00ff; display: block; font-family: 'Comic Sans MS',cursive; font-size: 250%; text-align: center;"> 515 + 242 = 757

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