Identify two-dimensional shapes

Create arrangements with two relative constraints

Identify solid shapes (spheres, pyramids, cones)

Identify polygons by vertices and edges

Describe and classify solid shapes by attributes

Combine or subdivide polygons to form other polygons

Describe and classify solid shapes by attributes

Solve one-step equations (addition)

Create composite shapes (simple)

Identify solid shapes

Create arrangements with three relative constraints

Create composite shapes (simple, with rotation)

Describe and classify polygons

Balance addition expressions

Create arrangements with five relative constraints

Balance addition and subtraction expressions

Add three whole numbers

Describe relative positions of objects in space

Identify 3D (solid) shapes

Identify circles

Compare lengths of real-world objects

Compare heights of real-world objects (short, tall)

Solve applied area problems relating to quadrilaterals and composite shapes

Identify flat and solid shapes

Count vertices, edges, and faces of 3D shapes

Classify real-world examples of 3D shapes

Identify polygons, count vertices and edges

Identify polygons by vertices, edges, and angles

Compare heights of real-world objects (high, low)

Compare volumes directly

Identify 2D (flat) shapes

Classify polygons (vertices and edges)

Identify polygons by vertices, edges, and angles

Use centicubes to compare volume

Find volume of complex solid by unit cubes (fixed perspective)

Find volume of simple solid by unit cubes (fixed perspective)