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Interpreting Fractions Alignment Lesson

Interpreting Fractions Alignment Lesson. Day 103. Warm Up. Catherine was installing a new counter in her kitchen. She measured the length to be 36 7/8 inches. The store only sold countertops in lengths of 48 1/8 inches. How much will Catherine need to cut off to make the counter fit?.

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Interpreting Fractions Alignment Lesson

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  1. Interpreting FractionsAlignment Lesson Day 103

  2. Warm Up Catherine was installing a new counter in her kitchen. She measured the length to be 36 7/8 inches. The store only sold countertops in lengths of 48 1/8 inches. How much will Catherine need to cut off to make the counter fit?

  3. 3 x 4 Rectangular Prism This prism represents a giant candy bar!! • How much of this candy bar would I get if I was the only one eating it? • 1 whole • How much of this candy bar would I get it I wanted to share it equally with one friend? • ½ (you can break the model into 2 equal pieces)

  4. Each pair of students will receive a 3x4 rectangular • Use the prism to determine how much of the candy bar each person would get it 3 people share it. • Find 103, “Connecting Fractions & Division” • Let’s record the first three scenarios on this chart

  5. Complete the chart by modeling the sharing of the candy bar!

  6. What operation did we use to share the giant candy bar between more and more people? • 1 ÷ 4 = ¼ • What do you think the line between the numerator and denominator? • The fraction bar represents division. Both sides of the number sentence are showing 1 divided by 4. The side with the fraction just shows it a different way and shows that 1 divided by 4 is ¼.

  7. Find 103, “Connecting Fractions & Division Continued” • Complete the table. • Be ready to discuss your solutions when everyone is done!

  8. Questions • How does the division number sentence you wrote relate to the fraction you wrote for each situation? • When is the amount a person receives greater than 1? What type of fraction is this? • When is the amount a person receives equal to 1? Why? • When is the amount a person receives less than 1? Why? Why type of fraction is this? • What generalization/rule can you make about how fractions relate to division?

  9. Find Day 103, “Connecting Fractions and Division Questions” • You may complete individually or in pairs.

  10. Homework Day 103, “Sharing Cookie Cakes” Read each questions carefully. You are asked to show your work in various ways.

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