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Curriculum Math 1st Grade Unit 8: Shapes and Time Lesson 12

Shapes and Time

Lesson 12

Math

Unit 8

1st Grade

Lesson 12 of 16

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In this Lesson

Objective
Standards
Criteria for Success
Tips for Teachers
Warm Up (10 min)
Anchor Tasks (25–35 min)
Problem Set (10–20 min)
Target Task (5–10 min)
Additional Practice

Objective

Lesson Notes

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Partition circles and rectangles into 4 equal shares, called fourths, or quarters.

Student-Facing

I can split a shape into 4 same-sized parts.

Lesson Map

Topic A: Sort, Identify, and Classify Shapes

Lesson

Sort two-dimensional shapes by any attributes.

Standards

1.G.A.1

Lesson

Identify, build, and draw circles and triangles using defining attributes.

Standards

1.G.A.1

Lesson

Identify, build, and draw rectangles and squares using defining attributes.

Standards

1.G.A.1

Lesson

Sort two-dimensional shapes by their defining attributes.

Standards

1.G.A.1

Lesson

Sort three-dimensional shapes by any attributes.

Standards

1.G.A.1

Lesson

Identify three-dimensional shapes based on defining attributes.

Standards

1.G.A.1

Lesson

Identify two- and three-dimensional shapes in the environment.

Standards

1.G.A.1

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Topic B: Composing Shapes

Lesson

Compose two-dimensional shapes in different ways.

Standards

1.G.A.11.G.A.2

Lesson

Compose three-dimensional shapes in different ways.

Standards

1.G.A.11.G.A.2

Lesson

Identify two- and three-dimensional composite shapes in the environment.

Standards

1.G.A.11.G.A.2

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Topic C: Partitioning Shapes

Lesson

Partition circles and rectangles into 2 equal shares, called halves.

Standards

1.G.A.3

Lesson

Partition circles and rectangles into 4 equal shares, called fourths, or quarters.

Standards

1.G.A.3

Lesson

Compare halves and fourths of the same whole and describe how the size of the shares changes.

Standards

1.G.A.3

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Topic D: Telling Time

Lesson

Tell time to the hour using the parts of an analog clock.

Standards

1.MD.B.3

Lesson

Tell time to the half hour on an analog clock.

Standards

1.MD.B.3

Lesson

Match analog and digital times on clocks.

Standards

1.MD.B.3

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