Can Your Students Solve These Video Games Math Puzzles?

May 4, 2020

Free Video Games Math Puzzles for Students in Grades 3-8!

Do your students love playing video games?

If so, then why not channel your kids’ enthusiasm for video games into some fun math learning experiences!

Which is why today I am sharing, two free Video Game-Themed math activities for students in grades 3-8!

Your students will love these free math puzzles—they are perfect for warm-ups, cool-downs, transitions, extra practice, homework, and extra credit assignments.

Enjoy!

1.) Video Games Multiplication Puzzle

Multiplication Table puzzles work like a bingo-table where each symbol is the product of the corresponding row and column.

Looking for more Free Multiplication Table Puzzles?

*Keep reading to get the answer key.

2.) Video Games Area Model Puzzle

Area Model Puzzles require students to use their understanding of multiplication to figure out the value of each symbol in the area model, which represents the product of two values.

Are You Looking for More Free Math Puzzles for Grades 1-8?

*Keep reading to get the answer key.

*Keep reading to see the answer key!

Are You Looking for More Free Math Puzzles for Grades 1-8?

Each of today’s Guacamole Math Activities is a sample from my best-selling workbook 101 Math Challenges for Engaging Your Students in Grades 3-8.

The book is available as a PDF download and you can also get a hard copy on Amazon (Free Amazon Prime Shipping Included; pages are in black-and-white).

Get More Math Puzzles

And here are the answers to today's activities:

Multiplication Table Answer Key:

Area Model Answer Key:

Free Math Sheets for 4th Grade! (Easy to Print)

May 1, 2020

Free Math Sheets for 4th Grade!

Are you looking for the best free math sheets for 4th grade students?

The following shares over 100 completely free math sheets for 4th grade. They are easy to print and share at home or in the classroom, and they all include answer keys!

Enjoy!

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1.) Math Sheets for 4th Grade: PDF Worksheets and Answer Keys

The following collection shares over 100 free and easy to print math sheets for 4th grade on topics including fractions, place value, unit conversion, multiplication, division, and more! Plus every worksheet includes a free answer key.

Just scroll through the list of topics, select any one that you want, and click on it to download the pdf file and answer key (yes, it’s that easy!).

Click here to access the free library of 4th grade math sheets.

2.) Math Sheets for 4th Grade: Puzzles, Riddles, and Brain Teasers

Typical math sheets are great for giving students extra practice, but they can get pretty boring and repetitive after a while. If you’re looking to mix up your lesson plans every now and then, check out this collection of super fun math sheets for 4th grade that include math puzzles, riddles, and brain teasers!

Trust me, your kids will love them!

Click here to get your math puzzles, riddles, and brain teasers for 4th grade math students!

3.) Math Sheets for 4th Grade: Word Problems

Are you looking for engaging multi-step math sheets for 4th grade problems with answers to add to your upcoming lesson plans? The following collection of free 4th grade maths word problems worksheets cover topics including addition, subtraction, multiplication, division, mixed operations, fractions, and decimals.

Students need to gain a strong understanding of place value in order to understand the relationship between digits and how these relationships apply to operations including addition, subtraction, multiplication, division, and more.

Click here to get your 4th grade math word problems

Looking for more math activities and resources other than math sheets for 4th grade?

Here are some more 4th-grade math resources that you will love!

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Share your ideas, questions, and comments below!

(Never miss a Mashup Math blog--click here to get our weekly newsletter!)

By Anthony Persico

Anthony is the content crafter and head educator for YouTube's MashUp Math . You can often find me happily developing animated math lessons to share on my YouTube channel . Or spending way too much time at the gym or playing on my phone.

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Free Decimal to Fraction Chart (Printable PDF)

May 1, 2020

Free Decimal to Fraction Conversion Chart

Are you looking for an easy reference chart for making decimal to fraction conversions?

Use the link below to download your free decimal to fraction chart as an easy-to-print PDF file.

Looking to learn how to convert decimals to fractions without a chart? Check out this free converting decimal to fraction in 3 easy steps lesson guide!

Click here to download your free Decimal to Fraction Conversion Chart

Learn How to Convert Decimal to Fraction

The following video lesson shares an easy 3-step method for converting a decimal to a fraction without a decimal to fraction chart!

If you like the video, please give it a thumbs up and leave a comment!

Need help with decimal to fraction conversions with rulers and measurement?

In addition to today’s free decimal to fraction chart, here is a free tutorial on how to read a ruler:

Decimal to Fraction Chart Uses

You can use the decimal and fraction chart above as a reference to quickly make conversions between decimals and fractions.

Be sure to print it out and keep it close by when you are working on problems that require you to convert decimals to fractions or vice versa.

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More Free Decimals and Fractions Resources

How to Add and Subtract Fractions (Step-by-Step)

April 30, 2020

How to Add and Subtract Fractions Explained!

How can you add and subtract fractions with different denominators?

Learn how to solve these kinds of problems.

Welcome to this free lesson guide that accompanies this Adding and Subtracting Denominators with Unlike Denominators video lesson, where you will learn how to add and subtract fractions:

Adding Fractions
Subtracting Fractions
Unlike Denominators
How to add and subtract fractions with the same denominator
How to add and subtract fractions with different denominators

This How to Add and Subtract Fractions with Unlike Denominators: Complete Guide includes several examples, a step-by-step tutorial, an animated video mini-lesson, and a free worksheet and answer key.

*This lesson guide accompanies our animated Adding and Subtracting Fractions with Unlike Denominators on YouTube.

Want more free math lesson guides and videos? Subscribe to our channel for free!

Before you learn how to add and subtract fractions you need to understand some key vocabulary first.

Adding and Subtracting Fractions with the Same Denominator

Let’s start by reviewing the difference between a numerator and a denominator:

How to Add and Subtract Fractions with Like Denominators

In the above example, 1/5 and 3/5 have common denominators (both equal 5). To add them together, you just have to add the numerators together and leave the denominator alone as follows:

Since 4/5 can not be simplified any further, you can conclude that:

1/5 + 3/5 = 4/5

But what about when the denominators are not the same?

Adding and Subtracting Fractions with Unlike Denominators

How do you add and subtract fractions when the denominators are different?

You can use the following 3-step process for adding and subtracting fractions (with and without common denominators).

Subtracting Fractions with Unlike Denominators Example

STEP ONE: Get a common denominator.

STEP TWO: Add or subtract the numerators.

STEP THREE: Simplify the result if needed.

Notice that 3/27 can be simplified, since the numerator and denominator are both divisible by 3.

And that’s all there is to it!

Final Answer:

Adding and Subtracting Fractions with Unlike Denominators: Video Tutorial

Still confused? Check out the animated video lesson below:

Check out the video lesson below to learn more about adding and subtracting fractions and for more free practice problems:

Keep Learning with More Free Lesson Guides:

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Have thoughts? Share your thoughts in the comments section below!

(Never miss a Mashup Math blog--click here to get our weekly newsletter!)

By Anthony Persico

Anthony is the content crafter and head educator for YouTube's MashUp Math. You can often find me happily developing animated math lessons to share on my YouTube channel . Or spending way too much time at the gym or playing on my phone.

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Geometry Transformations: Rotations 90, 180, 270, and 360 Degrees!

April 30, 2020

Performing Geometry Rotations: Your Complete Guide

The following step-by-step guide will show you how to perform geometry rotations of figures 90, 180, 270, and 360 degrees clockwise and counterclockwise and the definition of geometry rotations in math! (Free PDF Lesson Guide Included!)

Welcome to this free lesson guide that accompanies this Geometry Rotations Explained Video Tutorial where you will learn the answers to the following key questions and information:

What is the geometry rotation definition and what is the definition of rotation in math?
How to perform clockwise and counterclockwise rotations
How can you rotate a triangle about the origin?
Several geometry rotation examples

This Complete Guide to Geometry Rotations includes several examples, a step-by-step tutorial, a PDF lesson guide, and an animated video tutorial.

*This lesson guide accompanies our animated Geometry Transformations: Rotations Explained! video.

Want more free math lesson guides and videos? Subscribe to our channel for free!

Rotation Geometry Definition

Before you learn how to perform rotations, let’s quickly review the definition of rotations in math terms.

Rotation Geometry Definition: A rotation is a change in orientation based on the following possible rotations:

90 degrees clockwise rotation
90 degrees counterclockwise rotation
180 degree rotation
270 degrees clockwise rotation
270 degrees counterclockwise rotation
360 degree rotation

Note that a geometry rotation does not result in a change or size and is not the same as a reflection!

Clockwise vs. Counterclockwise Rotations

There are two different directions of rotations, clockwise and counterclockwise:

Clockwise Rotations (CW) follow the path of the hands of a clock. These rotations are denoted by negative numbers.

Counterclockwise Rotations (CCW) follow the path in the opposite direction of the hands of a clock. These rotations are denoted by positive numbers.

Clockwise rotations are denoted by negative numbers.

Counterclockwise rotations are denoted by positive numbers.

Note that the direction of rotation (CW or CCW) doesn’t matter for 180 and 360-degree rotations, since they will both bring you to the same spot (more on this later).

Geometry Rotation Notation

Note that the following notation is used to show what kind of rotation is being performed.

For example, Figure 1 is a rotation of -270 degrees (which is a CW rotation).

Now you are ready to try a few geometry rotation examples!

Geometry Counterclockwise Rotation Examples

Example 01: 90 Degrees Counterclockwise About the Origin

Since 90 is positive, this will be a counterclockwise rotation.

In this example, you have to rotate Point C positive 90 degrees, which is a one quarter turn counterclockwise.

Point C lays in the 1st quadrant.

To perform the 90-degree counterclockwise rotation, imagine rotating the entire quadrant one-quarter turn in a counterclockwise direction.

Note the location of Point C’, the image of Point C after a 90-degree rotation.

And this process could be repeated if you wanted to rotation Point C 180 degrees or 270 degrees counterclockwise:

This example should help you to visually understand the concept of counterclockwise geometry rotations. Next, you will learn the rules for performing counterclockwise rotations.

>>> Before you move on, take some time to visualize what rotations look like on the coordinate plane.

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Counterclockwise Rotation Rules

You can use the following rules when performing any counterclockwise rotation.

By applying these rules to Point C (3,6) in the last example (Figure 2), you can see how applying the rule creates points that correspond with the graph!

Left: replace x with 3. Right: replace x with -9

These points should look familiar! They are the points that you plotted in the last example!

Geometry Clockwise Rotation Examples

Example 01: 90 Degrees Clockwise About the Origin

Since the rotation is 90 degrees, you will be rotating the point in a clockwise direction.

Now imagine rotating the entire 4th quadrant one-quarter turn in a clockwise direction:

Note the location of Point D’, the image of Point D after a -90-degree rotation.

And this process could be repeated if you wanted to rotation Point D -180 degrees or -270 degrees counterclockwise:

This example should help you to visually understand the concept of clockwise geometry rotations. Next, you will learn the rules for performing clockwise rotations.

>>> Before you move on, take some time to visualize what rotations look like on the coordinate plane.

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Clockwise Rotation Rules

You can use the following rules when performing any clockwise rotation.

By applying these rules to Point D (5,-8) in the last example (Figure 3), you can see how applying the rule creates points that correspond with the graph!