# Geometry

##### Pre-Kindergarten
Much like Algebra, Geometry is not in Jamaal’s vocabulary when he is only 4 and 5; but the basic concept of geometry will provide the groundwork for Jamaal to excel in high school geometry down the line. At this stage, Jamaal is learning the names and characteristics for basic shapes like circles, squares and triangles. He can gain geometry concepts by building with Blocks or recreating shapes and patterns with blocks. Doing this, he may realize that a square has four sides and a block looks like a bunch of squares put together. He can associate shapes in his everyday life like triangular shapes form roofs and rectangular shapes form windows. Putting together simple puzzles and playing with tangrams to reconstruct the pieces to look like different animals or shapes is a great way to help develop Jamaal’s spatial sense.
##### Kindergarten - 2nd Grade
Geometry in early elementary school focuses on the names and characteristics of various plane (2 dimensional) and solid (3 dimensional) shapes. Jamaal will learn that objects have shapes and the shapes have specific names. A box is also called a cube, a ball is a sphere. It is important at this stage to talk about how a shape like a rhombus is similar and different from a square. Jamaal should be able to describe a 2 dimensional object by how many sides or corners it has. He should also be establishing a strong understanding of the differences between “flat” (2 dimensional) and “solid” (3 dimensional) shapes. Hands-on approaches allowing Jamaal to build shapes to mimic everyday objects will develop his spatial sense and provide context for the geometry vocabulary he is learning. At the end of 2nd grade, Jamaal should be able to solve this geometry problem: Draw and describe a square, a triangle, and a rectangle, using words like sides and corners to compare them. What is the difference between a sphere, a cube, and a pyramid?