Other tags that relate to All Square
Working systematically. Diophantine equations. Simultaneous equations. Solving equations graphically. Linear equations. Creating and manipulating expressions and formulae. Mathematical reasoning & proof. Generalising. Integers. Other equations.There are 5 results
Broad Topics > Functions and Graphs > Solving equations graphically
Negatively Triangular
Age 14 to 16 Challenge Level:
How many intersections do you expect from four straight lines ? Which three lines enclose a triangle with negative co-ordinates for every point ?
Intersections
Age 14 to 18 Challenge Level:
Change one equation in this pair of simultaneous equations very slightly and there is a big change in the solution. Why?
Temperature
Age 11 to 14 Challenge Level:
Is there a temperature at which Celsius and Fahrenheit readings are the same?
Which Is Bigger?
Age 14 to 16 Challenge Level:
Which is bigger, n+10 or 2n+3? Can you find a good method of answering similar questions?
Which Is Cheaper?
Age 14 to 16 Challenge Level:
When I park my car in Mathstown, there are two car parks to choose from. Can you help me to decide which one to use?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.