Unit 3, Lesson 14
Using Diagrams to Represent Addition and Subtraction
Accelerated 6
Practice
Problem 1
Here are diagrams that represent 0.137 and 0.284.
Two base-ten diagrams representing 0 point 1 3 7 and 0 point 2 8 4. First diagram, 1 rectangle labeled, tenths, 3 squares labeled, hundredths, 7 small rectangles labeled, thousandths. Second diagram, 2 rectangles labeled, tenths, 8 squares labeled, hundredths, 4 small rectangles labeled, thousandths.
- Use the diagram to find the value of
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Calculate the sum vertically.
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How was your reasoning about