Use with Lesson 3 MAFS 8 EE 3

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Use with Lesson 3 MAFS. 8. EE. 3. 7 Solve each equation. Check your

Use with Lesson 3 MAFS. 8. EE. 3. 7 Solve each equation. Check your solution. 1. 3 n + 2 = 8 2. 6 n − 3 = 21 3. 2 = 3 − a 4. − 5 + 2 a − 3 a = 11 5. Jack traveled 5 miles plus 3 times as many miles as Janice. He traveled 23 miles in all. How far did Janice travel? 6. If 3 x − 2 = 16, what is the value of 2 x − 3? Course 3, Lesson 2 -3 Mathematics Florida Standards – Mathematics, numbering and wording from www. cpalms. org.

Use with Lesson 3 MAFS. 8. EE. 3. 7 ANSWERS 1. 2 2. 4

Use with Lesson 3 MAFS. 8. EE. 3. 7 ANSWERS 1. 2 2. 4 3. 1 4. − 16 5. 6 miles 6. 9 Course 3, Lesson 2 -3 Mathematics Florida Standards – Mathematics, numbering and wording from www. cpalms. org.

WHAT is equivalence? Course 3, Lesson 2 -3

WHAT is equivalence? Course 3, Lesson 2 -3

• MAFS. 8. EE. 3. 7 Solve linear equations in one variable. •

• MAFS. 8. EE. 3. 7 Solve linear equations in one variable. • MAFS. 8. EE. 3. 7 a Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions. Show which of these possibilities is the case by successively transforming the given equation into simpler forms, until an equivalent equation of the form x = a, a = a, or a = b results (where a and b are different numbers). • MAFS. 8. EE. 3. 7 b Solve linear equations with rational number coefficients, including equations whose solutions require expanding expressions using the distributive property and collecting like terms. Course 3, Lesson 2 -3 Mathematics Florida Standards – Mathematics, numbering and wording from www. cpalms. org.

Mathematical Practices MP 1 Make sense of problems and persevere in solving them. MP

Mathematical Practices MP 1 Make sense of problems and persevere in solving them. MP 2 Reason abstractly and quantitatively. MP 3 Construct viable arguments and critique the reasoning of others. MP 4 Model with mathematics. Course 3, Lesson 2 -3 Mathematics Florida Standards – Mathematics, numbering and wording from www. cpalms. org.

To • translate sentences into equations, • define a variable, then write and solve

To • translate sentences into equations, • define a variable, then write and solve equations Course 3, Lesson 2 -3

WHAT is equivalence? Course 3, Lesson 2 -3

WHAT is equivalence? Course 3, Lesson 2 -3

WHAT is equivalence? Sample answers: • You can use a two-step equation to represent

WHAT is equivalence? Sample answers: • You can use a two-step equation to represent a realworld situation. • Words can translate into variables and equations. Course 3, Lesson 2 -3

Write an equation for the following situation: An appliance repairman charges $35 for a

Write an equation for the following situation: An appliance repairman charges $35 for a house call and $30 per hour. The cost of a house call and repair job came to $125. Course 3, Lesson 2 -3

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