Week 21FridayWeek 21 Review & Self-Check
1Warm-up: Shape Facts

2-min Fluency Warm-up — Go fast!

Sides on a hexagon:

Vertices on a pentagon:

A shape with 4 sides is called a:

Vertices on a triangle:

2Estimate First!

Estimate First! Glance for one second — guess, then count.

Guess: Count:

Guess: Count:

3Sides & Vertices Review

Review: fill in the sides and vertices. Use any strategy you prefer.

ShapePictureSidesVertices
Triangle
Square
Rectangle
Circle
4Word Problem

Read carefully. Show your work.

Emma is decorating a hexagon-shaped mirror. She glues one gem at each vertex and one ribbon on each side. Gems cost 2 dollars each. How many gems does she need, and how much do they cost in all?

Draw or write your thinking:

Gems: Cost: dollars

5Self-Check & Reflection

Self-Check: How do you feel about 2D shapes?

Counting Sides & Vertices

😊 I got it! | 😐 Getting there | 😟 Need help

Naming Polygons (triangle → hexagon)

😊 I got it! | 😐 Getting there | 😟 Need help

Drawing Shapes with Attributes

😊 I got it! | 😐 Getting there | 😟 Need help

One thing I learned this week:

One thing I want to practice more:

My favorite shape and why: