In This Unit of Study…
Students identify, compare, and sort two-dimensional figures (circles, semicircles, triangles, rectangles, squares, trapezoids, and hexagons) and three-dimensional figures (spheres, cubes, rectangular prisms, cones, and cylinders) based on their defining attributes. They also sketch figures (triangles, rectangles, squares, and hexagons) when given defining attributes. They identify parts of real-world objects that are modeled by two-dimensional figures. Students compose and decompose two-dimensional figures (rectangles, squares, trapezoids, triangles, semicircles, and hexagons). Students are not expected to define the attributes of trapezoids. Students compose and decompose three-dimensional figures (cubes, rectangular prisms, cones, and cylinders). They also identify parts of real-world objects that are modeled by three-dimensional figures.
B.E.S.T. Benchmarks:
- MA.1.NSO.2.1 Recall addition facts with sums to 10 and related subtraction facts with automaticity
- MA.1.GR.1.1 Identify, compare, and sort, two- and three-dimensional figures based on their defining attributes. Figures are limited to circles, semi-circles, triangles, rectangles, squares, trapezoids, hexagons, spheres, cubes, rectangular prisms, cones, and cylinders.
- MA.1.GR.1.2 Sketch two-dimensional figures when given defining attributes. Figures are limited to triangles, rectangles, squares, and hexagons.
- MA.1.GR.1.3 Compose and decompose two- and three-dimensional figures. Figures are limited to semi-circles, triangles, rectangles, squares, trapezoids, hexagons, cubes, rectangular prisms, cones, and cylinders.
- MA.1.GR.1.4 Given a real-world object identify parts that are modeled by two- and three- dimensional figures. Figures are limited to semi-circles, triangles, rectangles, squares and hexagons, spheres, cubes, rectangular prisms, cones, and cylinders.
Key Concepts:
- Fluency: Count on/back within 10 to recall addition facts
- Identify and Analyze 2-Dimensional Figures
- Identify and Analyze 3-Dimensional Figures