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8/12/2019 Free Minecraft Geo

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mathcraft

geometryTypes of Angles


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About Time for Home School

Time for Home School is a division of Robbins Creative Content, LLC. VeronicaRobbins is president and owner of the company. She is a former classroom teacher,

curriculum writer, and school administrator. Veronica lives in Woodland, Californiawith her husband and two sons. She holds a Masters degree in Education and hasover 25 years of experience working in and with public, charter, and private schools.

As an outgrowth of her educational experience and homeschooling of her 10 year oldson, Veronica established Time for Home School to develop curriculum materials ofsuperior quality.

A Time for Home School website can be found at http://timeforhomeschool.com.

You may reach Veronica by phone (866-362-1871) or by email ([email protected]).

Copyright 2014. Robbins Creative Content, LLC. All rights reserved. Purchaseris granted rights for use in their own family or classroom. Any other digitalduplication, electronic transmission or posting of the contents contained,printing, photocopying, and/or distribution of copies of content is prohibited.

Tese educational materials have been created under the Fair Usedoctrine pursuant to United States copyright law. Minecraf is atrademark o Mojang AB, Stockholm. Te author and publisher o thesematerials are not associated with the makers o Minecraf or Mojang AB.

Special Minecraft Font is provided for use under

Creative Commons License by Ashley Denham.


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Information for Parents and Teachers

Kids everywhere love Minecraft, which makes it the perfect vehicle for teaching a wide

variety of topics. Children learn better when they want to learn something. By connecting

academic content to something they already love, we are able to take advantage of

their excitement and motivation. This Minecraft Math Mini-Unit unit is designed to be a

supplement to resources you use to teach your child about the three different types of

angles. Look for other Minecraft Math units to supplement your curriculum and build on

your childs love for Minecraft.

The following is a description of what youll nd here:

Mathcraft Types of Angles instruction about types of angles(p. 4) The goals for the

unit are stated in this section, along with some basic instructions about Minecraft images.

Time for Practice(p.7) Students identify right, acute, and obtuse angles using images

from Minecraft.

Extra! (p. 8) Another practice problem to help students identify right angles.

Build It! (p. 8) Students are given two assignments for building things in Minecraft to

demonstrate their understanding of the types of angles.

Whats next? (p. 8) This is a description of the full unit on angles (Al l about Angles)

that you should explore after this mini-unit. It includes angle measurement, the types of

triangles, and a more in-depth study of geometric principles.

Answer Key (p. 9) This is where youll nd the answers to the activities in the mini-unit.

The answers for the Build It! activities will vary based on what your children build.

Please Note:

This is amini-unit provided by Time for Homeschool. Our full units are much longer and

provide students with more practice, both in terms of the amount and variety of practice.

If you have a topic you would like to see in a Time for Homeschool Mathcraft Unit, pleaseemail your suggestion to [email protected].


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Mathcraft Types of AnglesMini-Unit

This is a line. The arrows on either end indicate that it keeps going on withoutstopping.

This is a line segment. It is a portion of a line, and it has a beginning and

an end.

When two lines or line segments collide, they form angles.

The world is full of angles. They are

all around us. Look around the room

you are in. The walls intersect in the

room forming an angle. Straighten

out one of your arms in front of you

and then bend it a little. Do you see

the angle?

Minecraft is full of angles. In fact,

its a world of angles. Even circles

are formed by line segments coming

together in lots of little angles. In

Minecraft, the angle is king!


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While angles of all sizes and shapes are everywhere, there are only three

main types of angles right angles, acute angles, and obtuse angles.

First is the right angle. Right angles form perfect corners, like the corners

of a square. Look at the image of Creeper, below. All four corners form right

angles.

We also refer to right angles as 90 degree angles because they measure

90.Well discuss degrees and angle measurements in the next unit.

All squares have four equal sides and four equal angles. Its likely that thecorners on the cupboards in your kitchen are right angles. Most corners on

picture frames form right angles. Look around your house and nd 5 other

right angles. List them here:

1.____________________________________________________

2.____________________________________________________

3.____________________________________________________

4.____________________________________________________

5.____________________________________________________


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Take a look at the block wall, below. Its just full of right angles! Angles A

and C are right angles. Angles B and D are different. The line segments

split the block forming two smaller angles out of each 90 angle. That

shows us the second kind of angle acute angles. Acute anglesare

smaller than right angles. In other words, they are less than 90. Wehavent talked about angle measurement yet, but Ill bet you can gure out

the measurement of those acute angles formed by cutting a 90angle in

half.

Right! These acute angles are 45, but an acute angle can be any

measurement less than 90.

Right Angle Acute Angle Obtuse Angle

90 >90


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Can you nd any examples of acute and obtuse angles in your home? List

where you found them here.

Acute -______________________________________________________

Obtuse - ____________________________________________________

Time for Practice!Below are images of a

horse and a cat. There

are black lines near the

identied angles in each

image for you to write

the name of the type of

angles you see: right,

acute, obtuse.

Extra

Draw a line to show how many

degrees in each type of angle?

Right Acute Obtuse

>90


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Extra!!!!

Can you count the number of right angles in the block wall? ____________

(Hint: Each block has four.)

Build it!1. In Minecraft, build a fort or garden that has 200 right angles. Show it to

your parent or teacher.

2. In Minecraft, nd and identify at least 2 acute angles and 2 obtuse

angles. Show your parent or teacher.

Whats Next?From here we continue to Al l About Angles, a full unit covering anglemeasurement, and triangles, the types of triangles (equilateral, isosceles,

and scalene). Well learn several ways to determine the size of angles using

both a protractor (real protractor electronic/online protractor ) and calculations

based on other angles in the triangle.


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aNSWER kEY

ExtraDraw a line to show how many

degrees in each type of angle?

Right Acute Obtuse

>90


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