## 1.G.A.3

## Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.

19 Lesson(s)

#### Like Buddy from Cake Boss might say, This is FREEEKIN AWESOME, as kids learn to cut cakes in half and the true meaning of what 1/2 means.

#### Equal Schmequal! In this lesson students will examine the parts of a shape and determine if they are equal or unequal.

#### Students apply their understandings of halves and fourths in story problems in this rigorous lesson!

#### Take students to a pretend picnic and give them hands-on practice dividing shapes into halves!

#### Students will work with the idea of 1/2 and 1/4 fractions through an assessment task and an activity that has them breaking squares, rectangles and circles into 1/2 and 1/4 pieces.

#### Invasion! Aliens have invaded Earth for our pizza. The trouble is they only want pizzas that are divided into halves.

#### First Graders know when something is not fair and unequal parts are NOT FAIR! This is an introductory lesson to fractions and opens up a discussion to how wholes can be divided.

#### My class has been studying halves, fourths/quarters. This lesson allows them to review these topics in a creative way.

#### In this summative lesson, students create posters of different ways to divide shapes into halves and fourths! This pushes students to think about how different ways of dividing shapes can yield equivalent parts. The activity is followed by the unit quiz!

#### Today your students will use their knowledge of fractions and their artistic ability to create fractional art.

#### Let’s Share! In this lesson students will learn to divide circles and rectangles into halves.

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