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Profile Of : David J C Elgin

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David J C Elgin

United Kingdom



High ground, low ground

What is the quickest route from Start to Finish across two types of ground where different speeds are possible?

Publisher: Texas Instruments UK

Author: David J C Elgin

Topic:  Mathematics

Tags: Pythagoras, Velocity, Time

Estimating fractional areas

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Fractions, Percentages, Area

Fraction Diagrams

Assistance to understand fractions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Fractions, Area

Higher Maths exam questions on Polynomials

A set of exam level questions with solutions.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Polynomial Division

Quadratic theory Higher maths exam questions

Higher maths exam level questions on quadratic theory.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Quadratic, Discriminant

Higher maths exam level questions on trigonometry

Higher maths exam level questions on trigonometry

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Trigonometry

Stacking circles

Circles are stacked. How high is the top point above the ground?

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Pythagoras

Space under the roof

Calculating the volume of buildings in the form of prisms

Publisher: Texas Instruments UK

Author: David J C Elgin

Topic:  Mathematics

Tags: 3D objects, Prisms

Higher Maths (differentiation) exam level questions

A set of exam level questions in differentiation.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Differentiation

Higher Maths (exam questions) on Integration

Exam level questions on the topic of integration

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Integration

Higher maths (exam questions) on Functions

Exam level questions for Higher Maths on the topic of Functions

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Functions

Volumes of prisms

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

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: 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.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: 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.

Publisher: Texas Instruments UK

Author: David J C Elgin

Topic:  Mathematics

Tags: Area, Percentages

Pollution in a small loch

A recurrence relation is used to solve a pollution problem.

Publisher: Texas Instruments UK

Author: David J C Elgin

Topic:  Mathematics

Tags: Recurrence relations, Patterns

Trig in a right angled triangle

Trig problems in right angled triangles are solved.

Publisher: Texas Instruments UK

Editor: Barrie Galpin

Author: David J C Elgin

Topic:  Mathematics

Tags: Pythagoras, Trigonometry