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Kaleidoscope Wedges: Adding Angle Parts worksheet preview

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Kaleidoscope Wedges: Adding Angle Parts

Grade 4 angle addition with kaleidoscope mirror wedges: add angle parts, find unknown angles, and solve turn problems.

Grade 4MathInteractive · Printable

Aligned to4.MD.C.7

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 13 questions
  • Classroom-ready

Details

Format
Interactive · Printable
Grade
Grade 4
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Sorting, Short answer

About this worksheet

What students practice

  • Students add the measures of side-by-side angles to find the whole angle.
  • Students subtract from a whole angle to find an unknown angle in a diagram.
  • Students use right, straight, and full-turn angles to solve angle word problems.

How to use

Use after students can measure angles with a protractor. Have them write an equation for each diagram before filling in the blank.

Curriculum

Common Core standard covered

4.MD.C.7

Understand that angle measures add, and find unknown angles in diagrams.

Preview

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Name Date

Kaleidoscope Wedges: Adding Angle Parts

Mirror wedges fit side by side, so their angles add up.

Read the wedges

Each angle is split into two wedges that do not overlap. Use the labels to find the missing measure.

1.
Two mirror wedges sit side by side.30°45°

How many degrees is the whole angle?   degrees

2.
The whole angle is a right angle.90°35°x

What is the measure of angle x?   degrees

3.
The whole angle is a straight angle.180°110°x

What is the measure of angle x?   degrees

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