4th Grade Math Minilesson

4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
4th Grade Math Minilesson
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Key Concepts: Students recognize that when the angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the measure of the parts.

Generalization: Students will be able to solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems, e.g., by using an equation with a symbol for the unknown angle measures.

Backgrounds: This is a differentiated lesson plan in which the content has been previously explored. Students should know how to successfully measure angles with a protractor, and recognize measure angles as additives. At this point (4th grade) students should have a solid foundation on how to partition shapes into parts with equal areas…; (3.G.A.2). which will help them when they decompose pattern blocks into parts. They must also know how to recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement; (4.MD.C.5). They must also know that a circle is 360° and when split in half is 180°, as well as the meaning and measurements of vertex, and obtuse, acute, and right angles.
Total Pages
4 pages
Answer Key
Does not apply
Teaching Duration
40 minutes
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$3.50
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