45 lessons in teaching order · every Grade 4 standard covered · free printable worksheets with answer keys
Use a protractor to measure an angle in whole degrees and to sketch an angle of a given measure; also classify angles as acute, right, obtuse, or straight.
Make worksheets →Angle measure is additive: when an angle is broken into non-overlapping parts, the whole equals the sum of the parts. Find a missing angle from a diagram and write an equation.
Make worksheets →Name the basic figures of geometry - point, line, line segment, ray, right/acute/obtuse angle, parallel and perpendicular lines - then find them inside two-dimensional figures and use them to classify shapes (4.G.A.2).
Make worksheets →Classify two-dimensional figures by whether they have parallel or perpendicular sides, and recognise right triangles as their own category.
Make worksheets →Decide whether a dashed line is a line of symmetry, or count how many lines of symmetry a figure has.
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