Unit 2 Contents

3. Look at each problem. Decide if you think the sums are greater than or less than 1. Use fraction circle pieces to check your thinking.
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4. Look at each problem. Decide if you think the sums are greater than or less than . Use fraction circle pieces to check your thinking.
1. +
2. +
3. +
4. +
5. +
6. +
7. +
8. +

Use Strategies to Estimate Fraction Sums

Kathy did not have fraction circle pieces. This is how she figured out whether pizza from one box and pizza from the other box would fit in one box:

Use Kathy's strategy to solve the following problems.

5. Describe how you could solve Question 2A, about whether Irma ate more or less than cookie, without using fraction circle pieces.
6. Choose one of the problems in Question 3. Explain how you could solve the problem without using fraction circle pieces.
7. Choose one of the problems in Question 4. Explain how you could solve the problem without using fraction circle pieces.

Use the Estimate Fraction Sums with Number Lines pages in the Student Activity Book for more practice estimating fraction sums.