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Warm-Up!. Number Cruncher!. Algebra I – Chapter 1. 1.4 – Translating words into symbols 1.5 – Translating sentences into Equations. Symbols:. You Try!. Four times a number Four less than five times a number Ten times the sum of a number and nine Eleven more than one third of a number.
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Warm-Up! Number Cruncher!
Algebra I – Chapter 1 1.4 – Translating words into symbols 1.5 – Translating sentences into Equations
You Try! • Four times a number • Four less than five times a number • Ten times the sum of a number and nine • Eleven more than one third of a number
You Try! • Four times a number 4N • Four less than five times a number 5N -4 • Ten times the sum of a number and nine 10(N + 9) • Eleven more than one third of a number ⅓N + 11
Formulas: • Formulas are equations that state rules about relationships. • Area of a Rectangle: • Perimeter of a Rectangle: • Distance Traveled: • Cost:
Equations: • When you add the word is, then it becomes an equation. Now it can be solved. • Ex: Three times a number decreased by 8 is 10
You Try! 2x 3 x x P = 30m A = 24m 4 P = 10m
Reflection: • What is a symbol? Give a couple of examples. • What is a formula? • When does an expression become an equation?
Tonight’s Homework: Page 17 (17-26) Page 20/21 (1-21 odd) Quiz next class