Blog - Geometiles®

Shapes have fascinated humans since the beginning of time. The polyhedra, or solid shapes with flat polygonal faces, is one ...

Ah, summer. For kids, it’s the greatest time of year. No school, no multiplication tables, no scheduled break times. Just ...

I was recently asked to bring a cake to a reception on very short notice. Luckily, I found this recipe for Olive ...

“Geometry will draw the soul toward truth and create the spirit of philosophy.”—Plato. There is a widening gap between the ...

Last week the first ever Julia Robinson Mathematics Festiva l was held in San Diego. What a great event celebrating ...

If you are going to coach a math club, it is likely that you will come across at least some of ...

I found out first hand how important art instruction is for teaching math from some of our math competitions. When there ...

Nowadays, thanks to modern day computers, we have instant access to the approximation of π (the ratio of a circle's circumference ...

Let's say you do decide to hold competitions in your math club. What are your options? Much of this depends ...

Whether you decide to hold competitions in your math club or not, recreational math materials are an important component of ...

The success of our math club was largely due to the outstanding teamwork of our diverse group of parent volunteers ...

When I first became the coach of our math club, I was not sure if math competitions were a good idea ...

Title	Grade Level	Topics	CCSS
Tangrams	Grades 1+	Constructing 2-dimensional shapes	1.G.A.2
Shape Challenge, grade 2 and up	Grades 2+	Constructing polygons	2.G.A.1
Shape Challenge, grade 4 and up	Grades 4+	Constructing polygons; the 4th grade version reflects students’ familiarity with angles and classifying triangles.	3.G.A.1, 4.G.A.1, 4.G.A.2
Fractions	Grades 1 through 5	This sequence takes students from very basic understanding of fractions all the way through multiplying and dividing by fractions.	1.G.A.3, 2.G.A.2, 2.G.A.3, 3.NF.A.1, 3.NF.A.3, 4.NF.A.1, 4.NF.A.2, 4.NF.B.3, 4.NF.B.4, 5.NF
3D Solid Understanding	Grades 2+	Constructing and analyzing a rectangular and other prisms	1.G.A.2
Angle Mania	Grades 4+	Measuring angles, classifying triangles by angle types.	4.MD.C.5, 4.MD.C.7, 4.G.A.1, 4.G.A.2
Ratios plain and golden	Grades 6 through 8	Ratios and proportional relationships; Golden Ratio.	6.RP.A.1, 7.RP.A.2
Volume and Cavalieri's Principle	Grades 6 through 8	Volume and surface area.	HSG.GMD.A1, HSG.GMD.A2, HSG.GMD.A3
Triangles: similar, special, and right	Grades 8+	Similar polygons, special triangles, Pythagorean Theorem, irrational numbers.	8.NS, 8.G.A.4, 8.G.B.6, 8.G.B.7
Platonic and Archimedean Solids	Grades 1+	Platonic and Archimedean solids	Enrichment topic