Circle Theorem CROSSNUMBER

Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
Circle Theorem CROSSNUMBER
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11 MB|13 pages
Product Description
CROSSNUMBER tasks are a great way of getting students to practice their skills and they provide an element of self-checking. Arranged like a crossword, these crossnumbers allow students to complete lots of questions in a fun and engaging way.

1 CROSSNUMBER grid: a place where students fill in their answers. Arranged like a crossword this grid can highlight potential mistakes or provide students with some reassurance that they might be correct.

7 TASK CARDS: differentiated task cards each containing 5 questions, which require students to find missing angles and lengths using circle geometry skills. So 35 questions in total! One star (easier), two star and three star (harder) difficulty ratings. The answers of these questions can then be written into the grid.

ANSWER KEY: a completed grid with the solutions filled in to make checking solutions nice and easy!

Skills/ Knowledge required…
There are a variety of different leveled questions, but overall this is a challenging task, great for further practice or extension work. Students need to be familiar with the following concepts:
• Angle rules (Complementary, Supplementary, Angles in a straight line, Angles around a point)
• Angles in polygons (triangles, isosceles triangles, right-angled triangles & quadrilaterals)
• Angles in parallel lines with transversal
• Inscribed angles (Angle at the Centre, Angles Subtended by Same Arc, Angle in a Semi-Circle)
• Tangent lines (Tangent meets radius at a right angle, Two tangent theorem)
• Cyclic Quadrilaterals
• Radius which is perpendicular to a chord bisects the chord
• Alternate Segment Theorem
• Right-angled Trigonometry & Pythagoras’ Theorem

Suggested uses…
→ Group work: With three levels of task cards you can give each student appropriately leveled questions which they are responsible for completing. They then work with others in the team (who have the other cards) to complete the crossnumber grid. This allows students to complete the puzzle collaboratively, working on teamwork skills as well as their Math skills.

→ Individual worksheets: pupils complete the task cards on their own and by arranging the answers in the grid
Total Pages
13 pages
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