Lesson 10

Classifying Shapes

Est. Class Sessions: 2–3

Daily Practice and Problems

Teacher Notes
X

TIMS Bit

  1. ∠ABC is an acute angle.
  2. ∠DEP is greater than 90°.
  3. ∠GIJ is larger than ∠HIJ. ∠HIJ is a right angle.

AA. True or False

Fill in the circle by the statements that are true.

  1. ∠ABC is a right angle.
    ∠ABC is a acute angle.
    ∠ABC is an obtuse angle.
  2. ∠DEF is equal to 90°.
    ∠DEF is less than 90°.
    ∠DEF is greater than 90°.
  3. ∠GIJ is larger than ∠HIJ.
    ∠HIJ is a right angle.
    ∠JIK is larger than ∠GIJ.
    ∠JIK is an obtuse angle.