A.1. 2-D Shape I

1. A.1.M. Play Multiplayer 0 wins, 0 losses

2. A.1.Q. Unit Challenge

3. A.1.1. Recognizing Rectangles, Squares, Circles, and Rectangles

   1. A.1.1.O. Overview
   2. A.1.1.1. Classifying real-life objects as Rectangles, Squares, Circles, or Triangles
   3. A.1.1.2. Identifying Rectangles, Squares, Circles, and Triangles
   4. A.1.1.3. Identifying and counting the number of Rectangles, Squares, Circles, and Triangles from a set of figures
   5. A.1.1.4. Identifying and counting the number of Rectangles, Squares, and Triangles within a composite figure

A.2. 2D Shapes II

1. A.2.M. Play Multiplayer 0 wins, 0 losses

2. A.2.Q. Unit Challenge

3. A.2.1. Recognizing semicircles and quarter circles

   1. A.2.1.O. Overview
   2. A.2.1.1. Identifying semi-circles and quarter-circles
   3. A.2.1.2. Identifying and counting semi-circles and quarter-circles within complex composite figures

4. A.2.2. Recognizing Ellipses, Trapezoids, Rhombi, and Polygons

   1. A.2.2.O. Overview
   2. A.2.2.1. Identifying and distinguishing between Ellipses, Trapezoids, Rhombi, and Polygons
   3. A.2.2.2. Matching equivalent shapes with a given shape

5. A.2.3. Forming Figures with Cut-outs

   1. A.2.3.O. Overview
   2. A.2.3.1. Counting different shapes within simple composite figures
   3. A.2.3.2. Counting different shapes within complex composite figures

6. A.2.4. Simple Figure Patterns

   1. A.2.4.O. Overview
   2. A.2.4.1. Predicting the next shape in a sequence of 2-D and 3-D shapes
   3. A.2.4.2. Describing patterns using letters

7. A.2.5. Complex Figure Patterns

   1. A.2.5.O. Overview
   2. A.2.5.1. Predicting the next shape in a sequence of complex shapes

A.3. Lines, Curves, Vertices, and Surfaces

1. A.3.M. Play Multiplayer 0 wins, 0 losses

2. A.3.Q. Unit Challenge

3. A.3.1. Identifying Lines, Curves, Vertices, and Sides of 2-D Shapes

   1. A.3.1.O. Overview
   2. A.3.1.1. Determining whether there are straight lines in various shapes
   3. A.3.1.2. Identifying and counting the number of straight lines and curves in various shapes
   4. A.3.1.3. Identifying and counting the number of Vertices & Sides in various shapes

4. A.3.2. Identifying Flat Surfaces in 3-D Shapes

   1. A.3.2.O. Overview
   2. A.3.2.1. Identifying and counting the number of flat surfaces in various 3-D shapes

5. A.3.3. Basic 3-D Figures

   1. A.3.3.O. Overview
   2. A.3.3.1. Identifying and naming 3-D figures
   3. A.3.3.2. Identifying the number of vertices, edges & faces in 3-D Shapes

A.5. Squares and Rectangles

1. A.5.M. Play Multiplayer 0 wins, 0 losses

2. A.5.Q. Unit Challenge

3. A.5.1. Properties of Squares & Rectangles

   1. A.5.1.O. Overview
   2. A.5.1.1. Identifying the properties of squares
   3. A.5.1.2. Identifying the properties of rectangles
   4. A.5.1.3. Determining lengths of unknown sides of rectangles
   5. A.5.1.4. Determining unknown angles within rectangles and squares

A.4. Symmetry & Tessellations

1. A.4.M. Play Multiplayer 0 wins, 0 losses

2. A.4.Q. Unit Challenge

3. A.4.1. Reflective Symmetry

   1. A.4.1.O. Overview
   2. A.4.1.1. Identifying lines of symmetry in various shapes
   3. A.4.1.2. Determining whether various shapes have lines of symmetry
   4. A.4.1.3. Identifying and counting the lines of symmetry in various shapes
   5. A.4.1.4. Identifying lines of symmetry in individual letters of the alphabet and recognizing that lines of symmetry divide shapes into 2 equal parts
   6. A.4.1.5. Determining the number of squares that need to be shaded in order to reflect an image across a line of symmetry

4. A.4.2. Rotational Symmetry

   1. A.4.2.O. Overview
   2. A.4.2.1. Determining whether various shapes have rotational symmetry

5. A.4.3. Tessellations

   1. A.4.3.O. Overview
   2. A.4.3.1. Determining whether a shape can be tessellated
   3. A.4.3.2. Determining the unit shape from a tessellation

A.6. Triangles

1. A.6.M. Play Multiplayer 0 wins, 0 losses

2. A.6.Q. Unit Challenge

3. A.6.1. Recognizing that the Sum of the Angles in a Triangle add up to 180°

   1. A.6.1.O. Overview
   2. A.6.1.1. Determine the unknown angle in a triangle

4. A.6.2. Classifying triangles as Right, Acute, or Obtuse based on angle measurements

   1. A.6.2.O. Overview
   2. A.6.2.1. Classifying triangles as Right, Obtuse, or Acute by identifying angle measurements

5. A.6.3. Classifying triangles as Isosceles, Equilateral, or Scalene based on the number of equal sides

   1. A.6.3.O. Overview
   2. A.6.3.1. Classifying triangles by identifying the number of equal sides
   3. A.6.3.2. Classifying all types of triangles Based on the Length of its Sides
   4. A.6.3.3. Classifying triangles within composite figures by identifying the number of equal sides
   5. A.6.3.4. Determining the length of an unknown side of a triangle

6. A.6.4. Calculating Missing Angles from Special Triangles

   1. A.6.4.O. Overview
   2. A.6.4.1. Determining the unknown angle in a right triangle
   3. A.6.4.2. Determining the unknown angle in an isosceles triangle
   4. A.6.4.3. Determining unknown angles in isosceles, scalene, and right triangles
   5. A.6.4.4. Determining unknown angles in composite figures
   6. A.6.4.5. Determining unknown angles in complex composite figures

A.7. Quadrilaterals

1. A.7.M. Play Multiplayer 0 wins, 0 losses

2. A.7.Q. Unit Challenge

3. A.7.1. Properties of Parallelograms, Rhombi, and Trapezoids

   1. A.7.1.O. Overview
   2. A.7.1.1. Given a picture, identify the type of quadrilateral (trapezoids, parallelograms, rectangles, squares, rhombi)
   3. A.7.1.2. Given a written description, identify the type of quadrilateral (trapezoids, parallelograms, rectangles, squares, rhombi)
   4. A.7.1.3. Determining unknown angles in parallelograms
   5. A.7.1.4. Determining unknown angles in trapezoids

A.8. 3-D Figures

1. A.8.M. Play Multiplayer 0 wins, 0 losses

2. A.8.Q. Unit Challenge

3. A.8.1. Nets

   1. A.8.1.O. Overview
   2. A.8.1.1. Determining whether a net will form a cube or cuboid when folded

4. A.8.2. Spatial Reasoning

   1. A.8.2.O. Overview
   2. A.8.2.1. Determining whether two 3-D shapes are identical
   3. A.8.2.2. Determining the spatial arrangement of numbered cube faces when given a numbered net