Lesson 4

How Many Does It Take?

Est. Class Sessions: 2
X

Mathematical Standards

1.G.A
Reason with shapes and their attributes. (1.G.A.1, 1.G.A.2)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP3.
Construct viable arguments and critique the reasoning of others.
MP4.
Model with mathematics.
MP5.
Use appropriate tools strategically.

Students are challenged to use pattern blocks to compose and decompose irregular shapes using properties of the shapes.

Content in this Lesson

  • Composing and decomposing two-dimensional shapes using pattern blocks [E4].
  • Justifying visual and spatial reasoning by identifying the properties of shapes [E5].
  • Identifying and naming two-dimensional shapes [E1].
  • Organizing information in a table.
X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Students

pattern blocks
crayons: red, green, yellow, and blue

Materials for the Teacher

Display the Snake pattern and Snake Table on the How Many Does It Take? pages (Student Activity Book) Pages 29 and 31

Unit 2 Assessment Record
Display set of pattern blocks

Materials Preparation

Prepare Materials for Optional Targeted Practice. Place copies of the Turtle Masters and the My Own Design Master and a container of pattern blocks in a learning center to provide targeted practice composing and decomposing two-dimensional shapes using pattern blocks.

Assessment in this Lesson

Assessment Expectation Assessed
How Many Does It Take?
Rocket and Rocket
Table sections
Student Activity Book
Pages 30 and 32
E1.
Identify two-dimensional shapes.
E4.
Compose and decompose two-dimensional shapes using pattern blocks.