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Objectives: - to find the value of algebraic expressions involving multiplication or division Evaluate Multiplication and Division Expressions To evaluate an expression: - ________________ the given number for the _________________. - _______________ to find the value. Gilbert drives a train at an average rate of 130 hours per hour. After a number of hours the train reaches its destination. How many miles does the train travel in 2.5 hours? Set up as an expression with a variable: Evaluate for the given value: Evaluate 33t, for t = 1.3 How do I calculate 0.25 · 8 ÷ 2? 345 ÷ f, for f = 15 Try these in partners. Evaluate each for c = 0.4 and d = 200 1. d ÷ 6 · 30 2. d ÷ c · 200 3. 36 ÷ c · d 4. 35 · c · 500 Each of you should write your own algebraic multiplication and division expression and give a value to plug in for your partner to try. Discuss your answers.