Slide 19 -
SC Grade 4 MATH Curriculum Standards Addressed:
4-1.3 Explain and justify answers to problems on the basis of mathematical properties, structures, and relationships on mathematical properties, structures, and relationships.
4-1.4 Generate descriptions and mathematical statements about relationships between and among classes of objects.
4-4.1 Analyze the quadrilaterals squares, rectangles, trapezoids, rhombuses, and parallelograms according to their properties.
4-4.5 Use transformation(s) to prove congruency.
4-4.6 Represent points, lines, line segments, rays, angles, and polygons.
4-5.1 Use appropriate tools to measure objects to the nearest unit: measuring length in quarter inches, centimeters, and millimeters; measuring liquid volume in cups, quarts, and liters; and measuring weight and mass in pounds, milligrams, and kilograms.
4-5.2 Compare angle measures with referent angles of 45 degrees, 90 degrees, and 180 degrees to estimate angle measures.