Category Archives: Geometry

How to Make a Paper Box - Free Download!

Can you make a tiny box? With this template and worksheet you can! (and you can teach some math with it too!) http://mathfour.com/?p=9667

Have you ever tried to make a paper box? It's a challenge to design, but fun to make with this easy template. And if you teach math, you can use the discussion questions in your lesson!

Facebook Violations - Doing the Math

Find the area, do the math - and teach it to your kids. (via MathFour.com and Freebies4Mom.com)

It seems like Facebook has a lot of rules. And you can use these to teach area and percentages - both aligned with the Common Core State Standards!

Pi Day Videos - Song & Limerick

MathFourVideoPiLimerickFI

As a special Pi Day treat, I share my way to remember pi to 5 decimal places: a Pi Limerick! (Oh, and a video by Vi Hart - who has a beautiful voice!)

The Geometry behind Folding Fitted Sheets

Geometry behind Fitted Sheets (www.MathFour.com)

I'm obsessed with folding fitted sheets. Maybe that's because there's so much geometry in it. After all I fitted sheet is a concave irregular dodecagon!

Geometry and Fractions for Breakfast

MathFourSpiderToastFI

Check out how you can make a really cool breakfast treat and reinforce the concepts of geometry as well as fractions with your children.

Math with the Short Order Dad - And His Handy-Pal Pan Scraper!

MathFourShortOrderDadFI

The Short Order Dad uses the Handy-Pal Pan Scraper as a business card. It's a square with rounded corners – each with a different radius!

Area of a Circle vs. Area of a Triangle

Inspire your kids to think about how circles relate to triangles!

This is a neat way to look at how a circle can relate to a triangle - it's less of a proof and more of an inspiration to think.

Area of a Right Triangle

MathFourAreaOfRightTriangleFI

Calculating the area of a right triangle includes remembering the formula, and doing the arithmetic correctly. Here's a short video demonstrating it.

Seeing Rectangles in Rapunzel's Hair

MathFourRapunzleFI

I would never have seen this rectangle - but K8 noticed it!

Ellipse vs. Ellipsis - And Other Similar Math & English Words

MathFourEllipseFI

Ever wonder why math has an ellipse (oval) and English has ellipsis (...)? Me too!

Category Archives: Geometry

How to Make a Paper Box - Free Download!

Can you make a tiny box? With this template and worksheet you can! (and you can teach some math with it too!) http://mathfour.com/?p=9667

Have you ever tried to make a paper box? It's a challenge to design, but fun to make with this easy template. And if you teach math, you can use the discussion questions in your lesson!

Facebook Violations - Doing the Math

Find the area, do the math - and teach it to your kids. (via MathFour.com and Freebies4Mom.com)

It seems like Facebook has a lot of rules. And you can use these to teach area and percentages - both aligned with the Common Core State Standards!

Pi Day Videos - Song & Limerick

MathFourVideoPiLimerickFI

As a special Pi Day treat, I share my way to remember pi to 5 decimal places: a Pi Limerick! (Oh, and a video by Vi Hart - who has a beautiful voice!)

The Geometry behind Folding Fitted Sheets

Geometry behind Fitted Sheets (www.MathFour.com)

I'm obsessed with folding fitted sheets. Maybe that's because there's so much geometry in it. After all I fitted sheet is a concave irregular dodecagon!

Geometry and Fractions for Breakfast

MathFourSpiderToastFI

Check out how you can make a really cool breakfast treat and reinforce the concepts of geometry as well as fractions with your children.

Math with the Short Order Dad - And His Handy-Pal Pan Scraper!

MathFourShortOrderDadFI

The Short Order Dad uses the Handy-Pal Pan Scraper as a business card. It's a square with rounded corners – each with a different radius!

Area of a Circle vs. Area of a Triangle

Inspire your kids to think about how circles relate to triangles!

This is a neat way to look at how a circle can relate to a triangle - it's less of a proof and more of an inspiration to think.

Area of a Right Triangle

MathFourAreaOfRightTriangleFI

Calculating the area of a right triangle includes remembering the formula, and doing the arithmetic correctly. Here's a short video demonstrating it.

Seeing Rectangles in Rapunzel's Hair

MathFourRapunzleFI

I would never have seen this rectangle - but K8 noticed it!

Ellipse vs. Ellipsis - And Other Similar Math & English Words

MathFourEllipseFI

Ever wonder why math has an ellipse (oval) and English has ellipsis (...)? Me too!

Category Archives: Geometry

How to Make a Paper Box - Free Download!

Can you make a tiny box? With this template and worksheet you can! (and you can teach some math with it too!) http://mathfour.com/?p=9667

Have you ever tried to make a paper box? It's a challenge to design, but fun to make with this easy template. And if you teach math, you can use the discussion questions in your lesson!

Facebook Violations - Doing the Math

Find the area, do the math - and teach it to your kids. (via MathFour.com and Freebies4Mom.com)

It seems like Facebook has a lot of rules. And you can use these to teach area and percentages - both aligned with the Common Core State Standards!

Pi Day Videos - Song & Limerick

MathFourVideoPiLimerickFI

As a special Pi Day treat, I share my way to remember pi to 5 decimal places: a Pi Limerick! (Oh, and a video by Vi Hart - who has a beautiful voice!)

The Geometry behind Folding Fitted Sheets

Geometry behind Fitted Sheets (www.MathFour.com)

I'm obsessed with folding fitted sheets. Maybe that's because there's so much geometry in it. After all I fitted sheet is a concave irregular dodecagon!

Geometry and Fractions for Breakfast

MathFourSpiderToastFI

Check out how you can make a really cool breakfast treat and reinforce the concepts of geometry as well as fractions with your children.

Math with the Short Order Dad - And His Handy-Pal Pan Scraper!

MathFourShortOrderDadFI

The Short Order Dad uses the Handy-Pal Pan Scraper as a business card. It's a square with rounded corners – each with a different radius!

Area of a Circle vs. Area of a Triangle

Inspire your kids to think about how circles relate to triangles!

This is a neat way to look at how a circle can relate to a triangle - it's less of a proof and more of an inspiration to think.

Area of a Right Triangle

MathFourAreaOfRightTriangleFI

Calculating the area of a right triangle includes remembering the formula, and doing the arithmetic correctly. Here's a short video demonstrating it.

Seeing Rectangles in Rapunzel's Hair

MathFourRapunzleFI

I would never have seen this rectangle - but K8 noticed it!

Ellipse vs. Ellipsis - And Other Similar Math & English Words

MathFourEllipseFI

Ever wonder why math has an ellipse (oval) and English has ellipsis (...)? Me too!

Category Archives: Geometry

How to Make a Paper Box - Free Download!

Can you make a tiny box? With this template and worksheet you can! (and you can teach some math with it too!) http://mathfour.com/?p=9667

Have you ever tried to make a paper box? It's a challenge to design, but fun to make with this easy template. And if you teach math, you can use the discussion questions in your lesson!

Facebook Violations - Doing the Math

Find the area, do the math - and teach it to your kids. (via MathFour.com and Freebies4Mom.com)

It seems like Facebook has a lot of rules. And you can use these to teach area and percentages - both aligned with the Common Core State Standards!

Pi Day Videos - Song & Limerick

MathFourVideoPiLimerickFI

As a special Pi Day treat, I share my way to remember pi to 5 decimal places: a Pi Limerick! (Oh, and a video by Vi Hart - who has a beautiful voice!)

The Geometry behind Folding Fitted Sheets

Geometry behind Fitted Sheets (www.MathFour.com)

I'm obsessed with folding fitted sheets. Maybe that's because there's so much geometry in it. After all I fitted sheet is a concave irregular dodecagon!

Geometry and Fractions for Breakfast

MathFourSpiderToastFI

Check out how you can make a really cool breakfast treat and reinforce the concepts of geometry as well as fractions with your children.

Math with the Short Order Dad - And His Handy-Pal Pan Scraper!

MathFourShortOrderDadFI

The Short Order Dad uses the Handy-Pal Pan Scraper as a business card. It's a square with rounded corners – each with a different radius!

Area of a Circle vs. Area of a Triangle

Inspire your kids to think about how circles relate to triangles!

This is a neat way to look at how a circle can relate to a triangle - it's less of a proof and more of an inspiration to think.

Area of a Right Triangle

MathFourAreaOfRightTriangleFI

Calculating the area of a right triangle includes remembering the formula, and doing the arithmetic correctly. Here's a short video demonstrating it.

Seeing Rectangles in Rapunzel's Hair

MathFourRapunzleFI

I would never have seen this rectangle - but K8 noticed it!

Ellipse vs. Ellipsis - And Other Similar Math & English Words

MathFourEllipseFI

Ever wonder why math has an ellipse (oval) and English has ellipsis (...)? Me too!