Triangle Area

Discovering the formula for the area of a triangle

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: Jon Skinner

Fach:  Mathematics

Schlagwörter: Triangle, Area

The sheep-pen problem

Recognise a quadratic in a realistic context and solve an optimisation problem

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: Allan Duncan

Fach:  Mathematics

Schlagwörter: Quadratic, Perimeter, Area, Algebra

The arbelos

Investigate relationships between radii of the semicircles and the perimeter and area of this interesting shape

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: Allan Duncan

Fach:  Mathematics

Schlagwörter: Perimeter, Area, Circles, Geometry

Dimensions of a Circle

Derive the formulae for the circumference and area of a circle using multiple representations.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: Allan Duncan

Fach:  Mathematics

Schlagwörter: Circumference, Area, Circles, Geometry

Circle Area Formula

Supports the conceptual understanding of where the formula A=π*r² comes from.

Autor: Nevil Hopley

Fach:  Mathematics

Schlagwörter: Circle theorems, Area

Estimating fractional areas

An activity to help students think about and appreciate simple fractions.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: David J C Elgin

Fach:  Mathematics

Schlagwörter: Fractions, Percentages, Area

Fraction Diagrams

Assistance to understand fractions.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: David J C Elgin

Fach:  Mathematics

Schlagwörter: Fractions, Area

Volumes of prisms

The volume of a number of different prisms are found in this unit.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: David J C Elgin

Fach:  Mathematics

Schlagwörter: Area, Surface area, Volume, Prisms

Areas of quadrilaterals and polygons

The areas of quadrilaterals, n sided shapes and regular polygons are found using the trig area formula.

Verlag: Texas Instruments UK

Herausgeber: Barrie Galpin

Autor: David J C Elgin

Fach:  Mathematics

Schlagwörter: Area, Trigonometry

Carpeting

Students are expected to work out the cost of carpeting a room using different carpet kinds and adding VAT to the bill.

Verlag: Texas Instruments UK

Autor: David J C Elgin

Fach:  Mathematics

Schlagwörter: Area, Percentages