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Non-right angled trigonometry

Non-right angled trigonometry

Lessons including Sine Rule, Cosine Rule and Area of a Triangle, pinched from a range of other places. Including exit tickets and ABCD checkpoints throughout. Teacher copy has all answers included (please excuse any errors!) - student version has answers and assessment points removed.
coltman_rob
Circles Extensive Worksheets (For advance students)

Circles Extensive Worksheets (For advance students)

5 Worksheets consisting over 80 Questions to provide an extensive coverage of the chapter, circles, with questions related to tangents to a circle, angles between tangents and chords, corresponding angles, common tangents, combined 2D shapes with circles. Suited for advance students in KS4.
will2share_kam
Year 10 Mathematics Combined Chapter Assessment 1 and 2

Year 10 Mathematics Combined Chapter Assessment 1 and 2

2 Assessment papers containing over 30 questions suited for IGCSE students which questions including fractions, decimals, percentages, ratios, probability, indices, factorisation, angles of depression and elevation, solving simultaneous equations, solving quadratic equations, trigonometry, shapes and polygons, sequencing, bearings, circles and angles, volume and surface area calculations, transformation and enlargement, straight line equations, simple and compound interest calculations and data analysis. Assessments suited for students in KS 4.
will2share_kam
Using Trigonometry and Similar triangles to find the distance of the stars and diameter of the Sun

Using Trigonometry and Similar triangles to find the distance of the stars and diameter of the Sun

A worksheet taking students through the parallax method of finding the distance to stars using SOHCAHTOA trigonometry and then an additional task on using similar triangles to find the diameter of the Sun. Suitable for Y9 classes onwards. The idea inspired by the nice resource from Greenwich Observatory: https://www.tes.com/teaching-resource/measuring-the-universe-ks4-11198074 - from which I used a couple of pictures. Check out this resource as well for some more ideas.
andrewchambers
SOHCAHTOA

SOHCAHTOA

Covers SOHCAHTOA for finding angles and sides in right-angled triangles, as well as trigonometric ratios and their graphs. Plus a GSP file to show the trig ratios changing dynamically.
danwalker
Trigonometry to find missing angles in a right-angled triangle

Trigonometry to find missing angles in a right-angled triangle

Full lesson powerpoint presentation working through how to find missing angles in a right-angled triangle. It would work well as an introduction to using trig to find missing angles in a right-angled triangle. Examples are worked through and it clearly shows the layout of how to set out an answer. There are fully differentiated worksheets with answers and these include GCSE-style questions. Please review! Feedback would be much appreciated.
pacallara
Christmas Trigonome-tree & some Mince Pie-thagoras

Christmas Trigonome-tree & some Mince Pie-thagoras

A festive trigonometry worksheet with over 40 calculations required, testing sine rule (including ambiguous case), cosine rule, and trig area of a triangle, plus a little Pythagoras. Find the missing sides and angles to find the height of the tree and size of the angle (or angel??) at the top of the tree. Created for my Year 11s, who wanted more practice at working out which trig rule to apply. A3 and A4 version of the puzzle available, plus answers. Some sides and angles may have different answers, depending on the route taken from bottom to top. I've provided two sets of answers where this can occur, and I believe that any differences disappear in subsequent calculations.
rfulker