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Maths Investigations
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How much snow would fill the classroom?
  Estimate distances, work with volume of cuboids, convert metric volumes - cm3 - litre - m3, measure with metre sticks, minimise sources of error, average using the median, draw diagrams, round numbers and find out about significant figures. Wow!
Ages 10 - 12
5 pages of teacher's notes and 5 pupil sheets. (pdf)
 GBP £1.00
How tall is that building?
  An outdoor team challenge to estimate the height of a building, either by counting bricks, using shadows or using similar triangles. Covers skills in estimating, measuring, minimising errors and ratio.
Ages 9 - 13
4 pages of teachers' notes and 4 pupil copymasters. (pdf)
 GBP £0.80
Maps and Scales
  Find real life distances from measured distances on a map. Learn practical measurement skills for straight or curved distances. Practise estimating, finding averages and using conversion tables to work out real distances from the map scale. Easily adaptable to suit pupils of different ages and differing levels of ability.
Ages 8 - 12
2 pages of teachers' notes and 7 pupil copymasters. (pdf)
 GBP £0.90
Number Chains and Digit Wheels
  Make beautiful patterns with this wide-ranging investigation into the digit patterns that you get when you repeatedly add or subtract a single digit to or from a larger number.

Links well both to activities for consolidating adding or subtracting a single digit to or from a 2-digit number, and to activities to support learning the 'stations' of the multiplication tables.

Ages 5 - 8
6 pages of teacher's notes and three pupil copymasters. (pdf)
 GBP £0.60
Numbers Between Numbers
  Explore where simple fractions and decimals sit on the number line and how they relate to each other.
Ages 8 - 12
Teacher's notes and four pupil sheets. (pdf)
 GBP £0.60
Perimeter and Area of Triangles and Quadrilaterals
  You may be able to calculate the perimeters and areas of a rectangle and a triangle, but can you explain why the formulas work?

Build on this to explore other quadrilaterals: rhombus, kite, trapezium and parallelogram.

Ages 9 - 13
3 pages of teachers notes and 5 pupil copymasters. (pdf)
 GBP £0.80
  Investigate the populations of towns or countries and learn how to work out how many more people live in one town than another and how many times bigger one town is compared with another. Consolidates skills in reading, rounding, subtracting and dividing large numbers and choosing an appropriate scale for a bar chart.
Ages 8 - 12
9 pages of teachers' notes and 10 pupil copymasters. (pdf)
 GBP £1.90
Properties of Quadrilaterals
  Find out why a square is a special kind of rectangle but a rectangle is not a special kind of square!

Explore the differences rhombuses and parallelograms, kites and trapeziums.

Investigate questions like 'Is there a quadrilateral with three acute angles?'

A practical approach using construction material such as geostrips.

Ages 9 - 13
3 pages of teachers notes and 7 pupil copymasters. (pdf)
 GBP £1.00
Pythagoras Puzzle
  Have fun making this simple puzzle which very beautifully illustrates Pythagoras' Theorem that the sum of the squares on two sides of a right-angled triangle = the square on the third side.

Make and solve the puzzle and then through measuring areas discover Pythagoras' Theorem.

Ages 8 - 15
1 page of teachers notes and 3 pupil copymasters. (pdf)
 GBP £0.40
Shadow Clocks
  Investigate how the length and direction of a shadow change during the course of a day. Learn about compass directions, symmetry, practical measurement using a metre stick, time (am/pm) and use of a table to display results.
Ages 8 - 12
3 pages of teachers' notes and 5 pupil copymasters. (pdf)
 GBP £0.80
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