Curriculum › Math ›Grade 1

Grade 1 Math · Level 4, Measure, Time, Data, Money & Shapes

Compose Shapes

How the lesson starts: Compose Shapes

1. Builder Bo

   Hi! Meet Builder Bo. Bo has a box of shape blocks. Put little shapes together, and you make new big shapes! Let's build!

2. Bo's build book

   Here's Bo's build book. House: a square and a triangle. Snowman: 3 circles. Rectangle: 2 triangles. Big triangle: 4 little triangles!

3. Three sets

   Set 1 has 2 triangles with square corners. Flip one and slide them together. A rectangle! Set 2 has 3 circles. A snowman! Set 3 has a square and a triangle. A house! Watch out! Count the pieces.