Note the thumbnail below is a degraded version of the actual image which is much sharper. A Necker cube is basically a wireframe drawing of a six-sided cube such that it has no perspective as to whether you're looking at it from the top or from the bottom. This is an example of two exactly identical necker cubes, the one on the left showing an intermediate object going in "down from the top" while the one on the right shows the object going in "up from the bottom" which shows how the image can change its perspective simply by changing which face (front or back) appears behind the intervening object. cube necker cube optical illusion 2 Necker Cubes
A set of number rays showing either no numbers at all, numbers from 0 to 10 or numbers from -5 to 5. Useful to understand and practise the use of integer numbers. number ray line Set of number rays
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A vibrant illustration titled "School boy doing maths stroke PNG Design" captures the essence of back-to-school season. This vector artwork showcases a diligent student engrossed in solving math problems. With its striking stroke style and PNG format, it is perfect for educational materials, presentations, or digital designs related to school, teachers, students, principals, and studying. The vectorial composition ensures high-quality scalability, making it an ideal choice for various projects in need of a visually appealing and versatile illustration. school back-to-school teacher Maths Study Vector Stroke