4.MD.7 Fourth Grade Common Core Math - Find Unknown Angle Measurement. Practice provides two ways for students to practice and show mastery of their ability to recognize angle measure as additive and solve addition and subtraction problems to find unknown angles on a diagram in real world and mathematical problems. 4.MD.C.7
It includes 40 distinct problems in two sets (129 slides in all!), with and without following answer slides. The PowerPoint file can be used on computers, or Promethean Activboard and Smart boards.
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Geometric measurement: understand concepts of angle and measure angles.
Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts. 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 measure.