Math Expressions - Unit 2:  Addition and Subtraction within 200
​Investigations -  Unit 3: Stickers, Number Strings and Story Problems
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Picture

 CA Common Core Standards:  Measurement and Data

Represent and interpret data.
CCSS.MATH.CONTENT.2.MD.D.10
Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems1using information presented in a bar graph.


 Curriculum and Pacing

Pacing
Key Lesson
Week 1:
​Investigation 1 - Working With Categorical data

Dates
Session 1.1:  Geoblock Faces
Materials/Manipulatives:  
  • Shapes Book/Chart​
  • Student Activity Book: Pages 1-2
Main Focus
  • Identifying names and attributes of 2-D and 3-D shapes
  • Attending to features of 3-D shapes, particularly the number and shape of faces
  • Drawing 3-D shapes
  • Valley Notes: Students can create a book with shapes and their attributes. It can be presented one shape per day.

Session 1.2-3: Working & Sorting with Geoblocks 
Materials:   Main Focus:
  • Attending to features of 3-D shapes, particularly the number and shape of faces
  • Drawing 3-D shapes
  • Developing fluency with the doubles combinations to 10+10
  • Session 1.3
    • Describing attributes of and sorting 3-D shapes
    • Identifying a 3-D shape by touch

Session 1.4: Addition Combinations and Ways to Fill
Materials:   Main Focus:
  • Reviewing known addition combinations (10s, +1, +2)
  • Developing fluency with the doubles combinations to 10 + 10
  • Covering a region, without gaps or overlaps, using different shapes
  • Converting shapes to a new shape
  • Developing fluency with the doubles combinations to 10 + 10

Session 1.5:  Combining Shapes
Materials:  
  • Geoblocks
  • Student Activity Book: Page: 6-11
Main Focus:
  • Combining 3-D shapes to make a 3-D whole
  • Identifying a 3-D shape bu touch
  • Covering a region, without gaps or overlaps, using different shapes
Week 2:
​Investigation 2
Data Analysis
Session 2.1:  Assessment: Sorting Shapes by Number of Sides

Materials:  
  • M22/R22
  • Envelopes
  • Student Activity Book: Pages 12-13
Main Focus:
  • Describing attributes of and sorting 2-dimensional shapes
  • Identifying categories for 2-dimensional shapes
  • Sorting polygons by number of sides

Session 2.2:  Sorting Quadrilaterals

Materials:  
  • Color Titles
  • Shape cards
  • Student Activity Book: Pages 15-16
Main Focus:
  • Sorting quadrilaterals by angle
  • Identifying quadrilaterals as shapes with 4 sides
  • Identifying rectangles as 4-sided shapes with 4 right angles

Session 2.3:  Ordering Rectangles

Materials:   Main Focus:
  • Defining biggest in different ways
  • Ordering rectangles from biggest to smallest
  • Covering rectangles with arrays of titles

Session 2.4:  Building Rectangles

Materials:  
  • Colored titles
  • ​M14-M15/R14-R15
  • ​Student Activity Book: Pages 19-21
Main Focus:
  • Arranging square titles in a rectangular array
  • Describing rectangular arrays of titles
  • Developing fluency with the doubles combinations to 10+ 10

Session 2.5: Drawing Rectangles

Materials:  
  • M26/R26
  • ​Student Activity Book: Page 22
Main Focus:
  • Drawing rectangles by attending to the lengths of the sides
  • Making different rectangular arrays using the same number of titles
  • Describing rectangular arrays of titles

Session 2.6:  How Many Rectangles?

Materials:  
  • Color titles
  • ​Student Activity Book: Pages 23-26
Main Focus:
  • Drawing rectangles by attending to the lengths of the sides
  • Making different rectangular arrays using the same number of titles
  • Describing rectangular arrays of titles
Alternative Assessment: Math Expressions - Unit 5: Lesson 10 (The cutest kitten-pictograph and bar graph)

Session 2.7:  Assessment: Is it a Rectangle?

Materials:  
  • M30/R30
  • ​Student Activity Book: Page 27
Main Focus:
  • Constructing and describing rectangular arrays of titles
  • Drawing rectangles by attending to the lengths of the sides
  • Identifying important features of a rectangle

Session 2.9:  Faces of Geoblocks

Materials:  
  • M31/R31
  • ​Student Activity Book: Page 27
Main Focus:
  • Constructing rectangular prism from rectangles
  • Recognizing which faces of a rectangular prism  are the same size and shape
  • Visualizing and describing rectangular prism
  • Comparing rectangular prisms 

Session 3.1:  Miror Symmetry

Materials:  
  • M32/R32
  • M33-38/R33-38 (optional)
  • ​Student Activity Book: Page 30-32
Main Focus:
  • Describing and identifying objects and designs that have mirror symmetry.
  • Constructing 2-D and 3-D symmetrical designs with mirror symmetry.
  • Developing fluency with the doubles combinations to 10 +10

Session 3.2:  Copy Tiles

Materials:  
  • ​Student Activity Book: Page 33-34
  • Color Tiles
Main Focus:
  • Constructing 2-D and 3-D symmetrical designs with mirror symmetry.
  • Reflecting a shape across a line of symmetry.
  • Orienting shapes so that the line of symmetry aligns with a mirror.

Session 3.3:  Paper Folding and Cutting

Materials:  
  • ​Student Activity Book: Page 35
  • 8 1/2 x 5 1/2 paper
  • Scissors
Main Focus:
  • Exploring symmetry by folding and cutting paper patterns
  • Reflecting a shape across a line of symmetry.
  • Orienting shapes so that the line of symmetry aligns with a mirror.

Session 3.5:  End of Unit Assessment

Materials:  
  • ​Student Activity Book: Page 41
  • M42-44, M45/R42-44, R45
Main Focus:
  • Constructing and describing rectangular arrays of tiles
  • Constructing 2-D symmetrical designs
  • Achieving fluency with the doubles combinations

Additional Resources