day 21 - writing equations.notebook
TRANSCRIPT
Day 21 Writing Equations.notebook
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February 06, 2017
Entrance Task
Grab the Day 3.21 Notes from the table.Begin working on the Entrance Task.
Agenda
1. Entrance Task2. Notes/Practice Problems3. Begin Homework
Announcements:It's the beginning of the marking period, so make sure you're staying on top of your work!
HomeworkDay #3.21
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Entrance Task: Solve for the variable and Check: CHECK:
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Notes: Variable: Constant Term:
Let Statement:
Answer Statement:
An unknown, represented by a letter.
A number with no letter
A statement that assigns a variable to an unknown that we want to solve for.
A sentence answering the problem
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Steps to Solve a Problem with an Equation 1. Read carefully, then read it a second time. 2. “What am I trying to find?” 3. Write a ______________________. 4. Translate to algebra by writing an ___________________. 5. Solve the equation 6. Check with your original equation and make sure your answer makes sense 7. Write your answer statement.
let statementequation
Use an equation and algebra to solve the following problems: 1. A number increased by seven is twentytwo. What is the number? Let Statement:
Equation:
Answer Statement:
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2. The difference of a number and negative 5 is fifteen. Find the number.
Let Statement:
Equation:
Answer Statement:
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Let Statement:
Equation:
Answer Statement:
3. Eight more than twice a number is 32. Find the number.
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Let Statement:
Equation:
Answer Statement:
4. Seven more than three times a number is 25. What is the number?
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5. Kristy’s dad makes 3 times as much per hour as she does. If he makes $48 per hour, how much per hour does Kristy make? Let Statement:
Equation:
Answer Statement:
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6. Marge has purchased 18 subway tokens at a total cost of $13.50. What is the cost per token?
Let Statement:
Equation:
Answer Statement:
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Homework:
Day 3.21