Eureka Math Kindergarten, Module 2: 2D and 3D Shapes
In this unit, your child learns the language of shapes. Kindergartners name flat shapes like triangles and hexagons and solid shapes like cubes and cylinders, find them in everyday objects, and use words like above, below, and next to for where things are. After the numbers-to-10 unit, it is a playful break from counting, and it prepares for comparing length, weight, and capacity next.
By Robert “Bobby” BarnettMath teacher, parent, and founder of Bobby’s Math Club
What is my child learning in Module 2?
- Finding shapes in everyday objects and describing where they are with words like above, below, next to, and behind. Learn more: Spotting shapes and saying where things are
- Naming triangles, rectangles, squares, hexagons, and circles correctly no matter how they are turned or how big they are. Learn more: Naming shapes turned any which way
- Telling two-dimensional shapes, which are flat, from three-dimensional shapes, which are solid, like cubes and cylinders. Learn more: Telling flat shapes from solid shapes
- Comparing shapes by counting their sides and corners, and by noticing the flat faces on solid shapes. Learn more: Comparing shapes by their sides and corners
Sample questions to try together
These are real questions from our practice. Tap the speaker to hear one read aloud, or the light bulb for a hint, and talk about the answer together.
Question 1 of 3
What shape is a slice of pizza?
- Triangle
- Circle
- Square
How you can help
- Go on a shape hunt in the kitchen, finding a circle on a plate, a cylinder in a can, and a rectangle on a cabinet door.
- Give your child directions using position words, such as 'Put the teddy bear above the pillow' or 'next to the lamp,' then switch roles.
- Trace the bottom of a box and a can on paper, and talk with your child about how each solid shape has a flat face you can trace.
Where kids can get stuck
- Calling a can a circle because they see its round top, instead of naming the solid shape, a cylinder.
- Describing position only from their own side, not seeing that in front and behind change when you walk around.
- Naming a rectangle standing up but calling one lying on its side a different shape.
Practice makes perfect
Bobby's Math Club has practice problems that adapt to your child’s level, each with a detailed explanation and an easy-to-follow video, so your child can build confidence in these skills one step at a time.
Words your child will hear
- flat shape
- A shape that lies flat, like a square drawn on paper.
- solid shape
- A shape you can hold, like a ball or a box.
- hexagon
- A flat shape with 6 straight sides and 6 corners.
- cube
- A solid shape with 6 square faces, like a block.
- cylinder
- A solid shape with two round, flat ends, like a can.
- above
- Higher than something else, like a lamp above a table.
- below
- Lower than something else, like a rug below a chair.
- next to
- Right at the side of something, close by.
- corner
- The point where two sides of a shape meet.
Ready to build your child’s confidence with flat and solid shapes?
In Bobby's Math Club, your child practices these skills at just the right level, with a hint when they need one, a clear explanation after every question, and kid-friendly videos. Unlimited practice is free.
Join the club
Written by Robert “Bobby” Barnett
Bobby is an award-winning math teacher, the author of Meet Every Learner’s Needs, and the father of two elementary-school math learners. He uses Bobby’s Math Club with his own kids a few times every week. Learn more or contact Bobby.
Which math standards does Eureka Math Kindergarten Module 2 cover?
Eureka Math Kindergarten Module 2 covers these math standards. Each one links to what it means, sample questions, and teaching strategies.
For teachers: Unit names and order vary between editions and districts, so your school’s own materials have the exact sequence. Learn how Bobby's Math Club can help your students grow.