Maths Dictionary Icosahedron An icosahedron is a 3D solid shape (polyhedron) that has 20 triangular faces, 30 edges, and 12 vertices (corners). All the faces are equilateral triangles in a regular icosahedron. It is one of the five Platonic solids, which are special shapes where all faces, edges, and angles are the same. The name […]
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Maths Dictionary ha (hectare) The letters ha are the abbreviation for hectare, a unit of area used to measure large pieces of land. Key Idea: Use ha when talking about very big areas of land.
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g (gram) The letter g is the abbreviation for gram, a unit of mass in the metric system. Key Idea: Use g to show weight or mass in everyday maths and science.
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Why Do Some Animals Migrate? A Journey Around the World! 🌍 What Is Migration? Migration is when animals travel from one place to another, usually at certain times of the year. It’s like a big journey or adventure! Animals migrate to find food, escape cold weather, or have their babies in a safe place. 🐦
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Maths Dictionary Face In geometry, a face is a flat surface that forms part of the boundary of a solid (3D shape). Faces are usually 2D shapes such as squares, rectangles, or triangles. For example: Key Idea: Faces are the “flat sides” of 3D shapes.
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Maths Dictionary Edge Definition:An edge is the straight line where two faces of a 3D shape meet. Examples: In maths:Edges help describe and count the properties of solid shapes, along with faces and vertices (corners). Fun fact:If you run your finger along the side of a box, you are tracing an edge!
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Maths Dictionary Data Definition:Data means information that we collect to learn something. In maths, data is often numbers, words, or symbols that can be organised to help answer questions. Examples of data: In maths:Data can be shown in tables, charts, and graphs to make it easier to understand and compare. Fun fact:The word “data” comes
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Maths Dictionary Calculate Definition:To calculate means to work out the answer to a maths problem. You can calculate by using your brain, writing it down, or using a tool like a calculator. Example:If you have 5 apples and get 3 more, you can calculate that you now have 8 apples. Calculator Kids Calculator 7 8
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Maths Dictionary Balance Definition:A balance is a tool used to compare the weight of two objects. It usually has two pans or trays that show which side is heavier or if both are equal. In maths:Balances are often used in problems to show equal amounts on each side, just like an equals sign (=) in
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Who Invented the Telephone? Talking Through Wires The Idea of Talking at a Distance A long time ago, people could only send letters or messages by horse and ship. Imagine waiting days—or even weeks—just to hear from a friend! People dreamed of a way to talk instantly across long distances. Alexander Graham Bell In 1876,
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