Numbers and Decimals

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Powers

Numbers and Decimals Powers

🎬 Video Tutorial

  • Powers/Indices in Maths
  • Base and Exponent in Powers
  • Square and Cube Numbers
  • Powers in BIDMAS

📂 Revision Cards

Introduction to powers by showing the relationship that 3+3+3+3 equals 4 times 3, and 3 x 3 x 3 x 3 equals 3 to the power of 4.
Explanation of the base 3 and index 4 in 3^4 that it is pronounced "three to the power of four".
Explaining key characteristics of powers, e.g., 3^4 is not the same as 4^3, a^1 is a, and for a different to 0, a^0 is 1.
Common indices chart showing square and cube numbers with examples. For example, square numbers 1, 4, 9, 16, and cube numbers 1, 8, 27, 64, 125.
Cartoon blue bird explaining how to simplify 4 × 3 × 3 × 4 × 4 to 4³ × 3² using commutative and associative laws.
BIDMAS calculation rules with indices shown by comparing (2 × 5)^2 and 2 × 5^2, resulting in 100 and 50 respectively.

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