Check your solutions!. Warm-Up Why is mental math so important?

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Presentation transcript:

Check your solutions!

Warm-Up

Why is mental math so important?

6.6- FINDING PERCENT USING MENTAL MATH Objective: You will be able to apply mental math strategies to find the percent of a number

Use that brain of yours! You purchase a new game for $ If you hand the cashier $50, how much change should you expect back?

Applying mental math strategies for percent:

Try it Out!  Approximately 3% of 130 students at a middle school were bilingual. How many students is this ?

Using Mental Math to Solve a Problem At Community Middle School, 60% of the students voted in an election for student council officers. There are 1,500 students. How many students voted in the election?

Mental Math Strategies: Problem 1: Approximate a 15% tip on a bill of $31.96 Problem 2: What is the sales price of a $39.98 scarf if you use a 30% off coupon?

homework  Worksheet: PWP1 – Proportion Word Problem 1, Mental Math: Using Common Percent mental math side- NO CALCULATORS!  Mental Math Quiz on Monday!