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Trail Junction Angles on a Nature Hike

Grade 4 angle addition on a nature hike: add angle parts where trails meet and find missing angles with right, straight, and full-turn angles.

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
14 questions
Classroom-ready

Details

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

About this worksheet

What students practice

Students add the measures of angles that do not overlap to find the measure of the whole angle.
Students subtract a known part from a whole angle to find an unknown angle in a diagram.
Students solve unknown-angle word problems using right angles, straight angles, and full turns.

How to use

Use after students can measure angles with a protractor. Before Section 2, review that a right angle is 90°, a straight angle is 180°, and a full turn is 360°.

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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Trail Junction Angles on a Nature Hike

Add angle parts and find the missing angle where hiking trails meet.

Put the angles together

A side trail splits the angle between two trails into two smaller angles that do not overlap. Add the parts to find the whole angle.

A side trail splits the angle between Pine Trail and Lake Trail into two parts.

What is the measure of the whole angle between Pine Trail and Lake Trail? degrees

At the waterfall, a side trail splits the angle between two paths.

70° + 85° = °

At the trailhead, two side trails split the angle between the two main trails into three angles that do not overlap. The three angles measure 20°, 35°, and 40°.

What is the measure of the whole angle between the two main trails? degrees

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