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# Grade 1 Math Standards Resources

It is recommended that teachers review activities and read the associated directions and/or lesson plan ideas prior to using them with their students. In some cases, the activities are very open-ended and are best used in conjunction with paper/pencil activities or when students are paired and working on a single computer. If the directions and/or lesson plans are not obvious, a link is provided within the description of the resource.

It is essential that these standards be addressed in contexts that promote problem solving, reasoning, communication, making connections, and designing and analyzing representations.

## 1.G Reason with shapes and their attributes.

### Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.

Mega Math: Shapes Ahoy — Ship Shapes

Mega Math: Shapes Ahoy — Ship Shapes

Mega Math: Shapes Ahoy — Ship Shapes

I. Recognize Hexagon, Trapezoid, and Parallelogram

Mega Math: Shapes Ahoy — Ship Shapes

J. Identify Plane Shapes

Mega Math: Shapes Ahoy — Sea Cave Sorting

K. Sort Plane Shapes

Mega Math: Shapes Ahoy — Sea Cave Sorting

L. Sort Hexagons, Trapezoids, Parallelograms

### Compose two-dimensional shapes (rectangles, squares, trapezoids, triangles, half-circles, and quarter-circles) or three-dimensional shapes (cubes, right rectangular prisms, right circular cones, and right circular cylinders) to create a composite shape, and compose new shapes from the composite shape.

Mega Math: Shapes Ahoy — Ship Shapes

K. Combine and Separate Shapes

Mega Math: Shapes Ahoy — Ship Shapes

L. Congruent Shapes

Mega Math: Shapes Ahoy — Ship Shapes

N. Symmetry with Shapes

### Partition circles and rectangles into two and four equal shares, describe the shares using the words halves, fourths, and quarters, and use the phrases half of, fourth of, and quarter of. Describe the whole as two of, or four of the shares. Understand for these examples that decomposing into more equal shares creates smaller shares.

Mega Math: Shapes Ahoy — Undersea 3D

A. Match Cube, Sphere, Cylinder, Cone

Mega Math: Shapes Ahoy — Undersea 3D

B. Match Solid Figures with Real-Life Objects

Mega Math: Shapes Ahoy — Undersea 3D

C. Identify Cube, Sphere, Cylinder, and Cone

Mega Math: Shapes Ahoy — Undersea 3D

D. Match Rectangular Prism and Pyramid to Example

Mega Math: Shapes Ahoy — Undersea 3D

E. Identify Rectangular Prism and Square Pyramid

Mega Math: Shapes Ahoy — Undersea 3D

F. Classify Solid Figures

Mega Math: Shapes Ahoy — Undersea 3D

G. Compare Solid Figures and Plane Shapes

Mega Math: Shapes Ahoy — Undersea 3D

I. Review

Mega Math: Shapes Ahoy — Sea Cave Sorting

I. Sort Solid Figures - Stack, Roll, Slide

Mega Math: Shapes Ahoy — Sea Cave Sorting

J. Sort Solid Figures - Faces, Edges, Vertices