Equivalent Expressions

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Expanding and Simplifying Algebraic Expressions

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Presentation transcript:

Equivalent Expressions 10 April, 2019 Equivalent Expressions L.O. To simplify algebraic expressions (Level 5) Starter a + 2b + c a + b + b + c 3a + 4b + c + 4 2a + 2b +1 a + b b + c a + 2b + c + 3 a + b + a + b + 1 a b c a + b a + b + 1 b + c +2 For each block find the sum of the two blocks underneath.

Algebraic pyramids Now try the ‘Algebraic Pyramids’ worksheet Equivalent Expressions L.O. To simplify algebraic expressions (Level 5) Algebraic pyramids Now try the ‘Algebraic Pyramids’ worksheet (10 ticks level 5 pack 5 pages 14 and 15)

+ 2a + 3b – a + 4b When there are negative terms! 3b + 4b 2a - a a 7b Equivalent Expressions L.O. To simplify algebraic expressions (Level 5) When there are negative terms! 2a + 3b – a + 4b The negative sign stays with the term immediately after it. 3b + 4b 2a - a 10 QQ a + 7b

Refer to notes in text book on algebraic notation Equivalent Expressions L.O. To simplify algebraic expressions (Level 5) Refer to notes in text book on algebraic notation Simplifying algebraic expressions

PLENARY Whiteboard activity 9a + 8b Simplify 5a + 6b + 4a + 2b Equivalent Expressions L.O. To simplify algebraic expressions (Level 5) PLENARY Whiteboard activity 9a + 8b Simplify 5a + 6b + 4a + 2b Can you think up an expression for the rest of the class to simplify? You will need to know the answer to your own question!!!! 8x + 18y Simplify 6y + x + 7x + 12y 5t + 27b Simplify 24t + 6b - 19t + 21b