This document provides spelling and vocabulary words related to math for a weekly spelling challenge, along with their definitions and examples of use in sentences. There are 10 math-related words to be learned for the week, including graph, ratio, rotation, pyramid, calculator, algebra, cylinder, protractor, compass, and trigonometry. Students are encouraged to use the new words in their lessons that week and help their peers achieve a score of 10/10 on the weekly spelling challenge.

1. This term
• You have all done SO well on the spellings last
term.
• This term, we will be learning SUBJECT
SPECIFIC words.
• There is a PRIZE for the top form at the end of
the term.

2. Spelling Challenge 4
Maths
Week beginning – Monday 19th
May 2014

3. Maths Week
1. Graph
2. Ratio
3. Rotation
4. Pyramid
5. Calculator
6. Algebra
7. Cylinder
8. Protractor
9. Compass
10. Trigonometry

4. Graph
A visual representation of various
data.
The graph showing population was
fascinating.
Can you put the word ‘graph’ into
a sentence?
Definition:
Example:

5. Ratio
The quantitative relation between two
amounts showing the number of times
one value contains or is contained
within the other.
The ratio of boys to girls at the
football tournament was obvious.
Can you put the word ‘ratio’ into a
sentence?
Definition:
Example:

6. Rotation
A rotation is a transformation that
turns a figure about a fixed point.
James used a 90 degree rotation of
a shape.
Can you put the word ‘rotation’ into a
sentence?
Definition:
Example:

7. Pyramid
A solid object where:The base is a
polygon (a straight-sided shape),
the sides are triangles which meet
at the top (the apex). It is a
polyhedron.
Egyptian pyramids actually have
square bases.
Can you put the word ‘pyramid’ into
a sentence?
Definition:
Example:

8. Calculator
Something used for making
mathematical calculations, in
particular a small electronic device
with a keyboard and a visual display.
You have to sit a calculator paper for
your GCSE exams.
Can you put the word ‘calculator’ into
a sentence?
Definition:
Example:

9. Algebra
The part of mathematics in which
letters and other general symbols are
used to represent numbers and
quantities in formulae and equations.
Algebra is an ancient form of
mathematics.
Can you put the word ‘Algebra’ into a
sentence?
Definition:
Example:

10. Cylinder
A solid geometrical figure with
straight parallel sides and a circular
or oval section.
My biscuit tin is a cylinder.
Can you put the word ‘cylinder’ into a
sentence?
Definition:
Example:

11. Protractor
An instrument for measuring angles,
typically in the form of a flat
semicircle marked with degrees
along the curved edge.
I use a protractor to measure the
angles in a pie chart.
Can you put the word ‘protractor’
into a sentence?
Definition:
Example:

12. Compass
An instrument with two arms, one
sharp and one with a pencil that can
be used to draw circles or arcs.
I used a compass to draw a Venn
diagram.
Can you put the word ‘compass’
into a sentence?

13. Trigonometry
Branch of mathematics dealing with
sides and angles of triangles.
Trigonometry can be used by a
theatre designer to work out if the
set will fit on stage.
Can you put the word ‘Trigonometry’
into a sentence?
Definition:
Example:

14. Do you understand all of this
week’s words?
Can you use any of them in
your lessons this week?

15. Do you achieve 10 out of 10
each week?
How could you help your peers
who do not yet achieve a score
of 10?
Do your form calculate your
form average every week?