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Addition Algorithm for Whole Numbers. 235 + 492. Addition Algorithm for Whole Numbers. 235 + 492 7. Place Value : Start with smallest pieces (ones) Basic Fact: 5 ones + 2 ones = 7 ones Basic Fact: 5 + 2 = 7 Rename: not needed. Addition Algorithm for Whole Numbers. - PowerPoint PPT Presentation
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Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
235
+ 492
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
235
+ 492
7
Place Value : Start with smallest pieces (ones)
Basic Fact: 5 ones + 2 ones = 7 ones
Basic Fact: 5 + 2 = 7
Rename: not needed
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
1
235
+ 492
27
Place Value: move to the tens
Basic Fact: 3 tens + 9 tens = 12 tens
Basic Fact: 3 + 9 = 12
Rename: 12 tens as 1 hundred + 2 tens
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
1
235
+ 492
727
Place Value: move to the hundreds
Basic Fact: 1 hundred + 2 hundreds + 4 hundreds = 7 hundreds
Basic Fact: 1 + 2 + 4 = 7
Rename: not needed
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
235
+ 492
200 + 30 + 5
400 + 90 + 2
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
235
+ 492
7
200 + 30 + 5
400 + 90 + 2
7
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
1
235
+ 492
27
200 + 30 + 5
400 + 90 + 2
120 + 7
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
1
235
+ 492
27
100
200 + 30 + 5
400 + 90 + 2
20 + 7
Addition Algorithm for Whole NumbersAddition Algorithm for Whole Numbers
1
235
+ 492
727
100
200 + 30 + 5
400 + 90 + 2
700 + 20 + 7
Notice the cycle Notice the cycle
For all addition algorithms there is a cycle of:
• Place Value (identify like sized pieces)
• Basic Facts
• Rename (if necessary)