Teaching the Common Core Math Standards With Hands-On Activities, Grades 3-5 (48 page)

(4)
(5)

Angles

Names __________________________________ Date
______________

Angle Instruction Sheet

Part I:
Use the angles you have cut out to decompose each angle below. Measure each angle. Then write an equation showing the sum of measures of the angles. Write your answers on this sheet.

1.
Decompose
in two different ways.

2.
Decompose
in two different ways.

3.
Decompose
in five different ways.

Part II:
Write an equation to find the unknown angle measure. Use a variable for the unknown angle measure. Then solve the equation.

4.
can be decomposed into
and another angle. The other angle is not on the “Angles” sheet. Find the measure of this missing angle.