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Review of week 1. Please copy to your BIG MATHS Book. What is an expression ?. How do we evaluate an expression ?. Write the algebraic expression. 5 more than a number Twice a number decreased by 5. Write the algebraic expression. 1 less than 6 times a number The sum of 6 and a number.
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Review of week 1 Please copy to your BIG MATHS Book
What is an expression ? • How do we evaluate an expression ?
Write the algebraic expression • 5 more than a number • Twice a number decreased by 5
Write the algebraic expression • 1 less than 6 times a number • The sum of 6 and a number
Write the algebraic expression • Twice a number decreased by 78 • 5 decreased by twice a number
What is perimeter ? • How do you find the perimeter of any polygon ?
Write the expression for the perimeter Evaluate the expression
WRITE THE PERIMETER as an algebraic expression . Evaluate the perimeter