1. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Write an equivalent word(s) for the word. 1. in excess Activating Prior Knowledge – Notes Tie to LO 2. dwindle 3. accumulate4. fall

2. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Learning Objective Today, we will write equations using symbols. CFU

3. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development Review – Notes #1 & 2 CFU 1. Using symbols saves time and labor. 2. Notice that x is just a number. This is a symbolic statement about numbers.

4. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development Review – Notes #3 & 4 CFU 3. Writing symbols is simpler than writing words, as long as everyone is clear about what the symbols mean. 4. An equation is a statement of equality between two expressions.

5. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development Review – Whiteboard CFU Write down an equation that shows a sum and a variable being squared. Write down an expression that shows a variable being decreased by an amount.

6. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Importance – Pair Share Writing Algebraic Equations 1.Math – solve algebraic word problems Solve for y when 6 times the sum of 4 and y is equal to 12. 2.Real Life – advertising Advertisers can write an algebraic expression to represent the cost of airing a commercial a given number of times. CFU

7. Holt CA Course 2 Writing Equations Using Symbols M4:L1 A whole number has the property that when half the number is subtracted from 10, we get the number itself. Skill Development/Guided Practice – Notes #5 CFU

8. Holt CA Course 2 Writing Equations Using Symbols M4:L1 A whole number has the property that when the square of the number is added to three times the number, we get back the number itself. Skill Development/Guided Practice – Notes #6 CFU

9. Holt CA Course 2 Writing Equations Using Symbols M4:L1 A whole number has the property that five less than the number squared is 31. Skill Development/Guided Practice – Whiteboard CFU

10. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Skill Development/Guided Practice – Notes #7 CFU

11. Holt CA Course 2 Writing Equations Using Symbols M4:L1 A whole number has the property that when the twice the number is added to four it is -10. Skill Development/Guided Practice – Whiteboard CFU

12. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Skill Development/Guided Practice – Notes #8 CFU

13. Holt CA Course 2 Writing Equations Using Symbols M4:L1 When a number is taken away from 25, what remains is two less than 3 times the number. Skill Development/Guided Practice – Whiteboard CFU

14. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development – Pair Share CFU What does consecutive mean?

15. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development – Whiteboard CFU Write five consecutive numbers? How are the numbers changing from one to the next number?

16. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of two consecutive integers is 17. Skill Development/Guided Practice – Notes #9 CFU

17. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of four consecutive integers is 86. Skill Development/Guided Practice – Notes #10 CFU

18. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of two consecutive integers is 15. Skill Development/Guided Practice – Whiteboard CFU

19. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development – Pair Share CFU What is the difference between odd and even numbers?

20. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Concept Development – Whiteboard CFU Write five consecutive even numbers? How are the numbers changing from one to the next number?

21. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of three odd consecutive integers is 39. Skill Development/Guided Practice – Notes #11 CFU What does odd consecutive integers mean?

22. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of four even consecutive integers is 60. Skill Development/Guided Practice – Notes #12 CFU What does even consecutive integers mean?

23. Holt CA Course 2 Writing Equations Using Symbols M4:L1 The sum of three consecutive even integers is 30. Skill Development/Guided Practice – Whiteboard CFU

24. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Independent Practice – Back of Notes 13 - 17 CFU About 6 minutes and then we will review.

25. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Independent Practice – Back of Notes CFU 14. A number is five times larger than the square of a third the number.

26. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Independent Practice – Back of Notes CFU

27. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Independent Practice – Back of Notes CFU 16. The sum of a number squared and five less than triple the number is 205.

28. Holt CA Course 2 Writing Equations Using Symbols M4:L1 Independent Practice – Back of Notes CFU

29. Holt CA Course 2 Writing Equations Using Symbols M4:L1 1. What did we learn today? Closure - Paper 2. Why is this important to you? 4. When you square five times a number you get three more than the number. 3. Why do we write mathematical statements using symbols? CFU Write each of the following statements using symbolic language. 5. Monica had some cookies. She gave seven to her sister. Then, she divided the remainder in half, and she still had five cookies.