Algebra 2 Week #1A Section 3

Warbler on a cherry tree branch

Week #1A Section 2 Homework Answers Classwork: Why should you look out for a pig that knows karate? It might give you a pork chop. Homework: 1. 24 2. 40 3. 19 4. 42 5. 0 6. 20 7. 196 8. 196 9. - 32 10. 125 11. 256 12. 64 Extra Credit: x2 and 2 times x aren’t the same except for one number – which is it? 2. 22 and 2(2) both equal 4.

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = ______ 2. 6 ● 5 – 6 ÷ 3 = ______ 3. 5 ● 22 = _______ 4. (5 ● 2)2 = _______ 5. 2 + 3 ● 12 – 52 ● 2 = ________ 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = ______ 3. 5 ● 22 = _______ 4. (5 ● 2)2 = _______ 5. 2 + 3 ● 12 – 52 ● 2 = ________ 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = 28 3. 5 ● 22 = _______ 4. (5 ● 2)2 = _______ 5. 2 + 3 ● 12 – 52 ● 2 = ________ 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = 28 3. 5 ● 22 = 20 4. (5 ● 2)2 = _______ 5. 2 + 3 ● 12 – 52 ● 2 = ________ 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = 28 3. 5 ● 22 = 20 4. (5 ● 2)2 = 100 5. 2 + 3 ● 12 – 52 ● 2 = ________ 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = 28 3. 5 ● 22 = 20 4. (5 ● 2)2 = 100 5. 2 + 3 ● 12 – 52 ● 2 = - 12 6. 24 + 9 ÷ 3 – 14 = _______

Week #1A – Section 3 GOAL: To review how to solve a one variable equation. CA STANDARD (leading to) 1.0: Students will be able to solve equations and inequalities involving absolute value. WARMUP QUESTIONS Using the rules of PEMDAS, evaluate these: 1. 8 + 4 ÷ 2 = 10 2. 6 ● 5 – 6 ÷ 3 = 28 3. 5 ● 22 = 20 4. (5 ● 2)2 = 100 5. 2 + 3 ● 12 – 52 ● 2 = - 12 6. 24 + 9 ÷ 3 – 14 = 13

Week #1A Section #3 Notes Solving a One Variable Equation Vocabulary Any algebraic expression with a = in it.  Terms - Opposite operation -  

Week #1A Section #3 Notes Solving a One Variable Equation Vocabulary Any algebraic expression with a = in it.  Terms - The parts of an equation separated by a + or a – sign. Opposite operation -  

Week #1A Section #3 Notes Solving a One Variable Equation Vocabulary Any algebraic expression with a = in it.  Terms - The parts of an equation separated by a + or a – sign. Opposite operation - An operation that undoes another one.  

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 1. WHAT are the opposite operations? 1. Addition and subtraction 2. Multiplication and division 3. Powers and roots (like squares and square roots)  

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 2. WHEN do you use opposite operations? When you are moving a term from one side of the = sign to the other. 3. WHEN do you NOT use opposite operations?

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 2. WHEN do you use opposite operations? When you are moving a term from one side of the = sign to the other. 3. WHEN do you NOT use opposite operations? When you are collecting 2 terms on the same side of the = sign.

You just have to keep it all in balance.

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 4. WHAT are the four steps to solving any one variable equation? 1. On each side of the = sign, take care of any distribution or collection.

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 4. WHAT are the four steps to solving any one variable equation? 1. On each side of the = sign, take care of any distribution or collection. 2. Move the smaller variable.

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 4. WHAT are the four steps to solving any one variable equation? 1. On each side of the = sign, take care of any distribution or collection. 2. Move the smaller variable. 3. Move the number on the same side as the variable.

Week #1A Section #3 Notes. Solving a One Variable Equation Week #1A Section #3 Notes Solving a One Variable Equation The Questions 4. WHAT are the four steps to solving any one variable equation? 1. On each side of the = sign, take care of any distribution or collection. 2. Move the smaller variable. 3. Move the number on the same side as the variable. 4. Divide, if you need to.