
Roman numerals
Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?
Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?
Are these statements always true, sometimes true or never true?
Are these statements always true, sometimes true or never true?
Are these statements relating to calculation and properties of shapes always true, sometimes true or never true?
Are these statements relating to odd and even numbers always true, sometimes true or never true?
Isometric Areas explored areas of parallelograms in triangular units. Here we explore areas of triangles...
We usually use squares to measure area, but what if we use triangles instead?