Pay Raise & Percent of Increase | 7.EE.B.3 | Grade 7 Math 💚💙
In this math video we will discuss pay raise & percent of increase. We will be presented with an employee's hourly wage for their first year of employment. We will also be given the percent of increase or raise for the second year. We will review how to write percent of a number using words and how to translate the words into a mathematical expression. We will review that percent must be written as a decimal or a fraction in a mathematical expression. We will convert a percent to a decimal. We will discuss that "of" indicates multiplication. We will learn how to use a calculator to compute our answers. We will find the percent of increase per hour and we will use this answer to compute the increase per week using information in the problem. An exemplar solution is modeled and explained.
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00:00 Introduction
00:12 The Real World Question
01:10 Understanding the Problem
01:38 Writing a Word Phrase
02:09 Write a Word Phrase as a Mathematical Expression
02:50 How to Multiply a Decimal by a Decimal on a Calculator
03:15 How much MORE per hour?
03:31 How to Find More per Week
04:20 The Solution
Expressions and Equations
Use properties of operations to generate equivalent expressions.
Solve real-life and mathematical problems using numerical and algebraic expressions and equations.
7.EE.B.3 Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies.
7.EE.B.3 Solve a multi-step, real-world problem involving percent increases with money.
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