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FORMULAS

FORMULAS. Unit 3 Lesson 4. Math Message. Read/study/check your understanding SRB pages 227 and 228. Algebraic Expressions. REVIEW. Caitlin is 3 years older than her brother. How old is her brother? C - 3.

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FORMULAS

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  1. FORMULAS Unit 3 Lesson 4 Seals 2008

  2. Math Message Read/study/check your understanding SRB pages 227 and 228

  3. Algebraic Expressions REVIEW

  4. Caitlin is 3 years older than her brother. How old is her brother? C - 3

  5. Anthony earned $5.00 per hour and was received a bonus of $3.00. How much did Anthony get paid? (5 × H) + 3

  6. Todd weighs 5 pounds less than Kyler. How much does Todd weigh? K - 5

  7. Formula A way of expressing a relationship between quantities The quantities in a formula are represented by variables.

  8. Variables in formulas • The symbol for a variable is often the first letter of the quantity it represents. • A letter variable can have different meanings depending on whether it is a capital or lowercase letter.

  9. Evaluating a Formula Find the value of one variable in the formula when the values of the other variables are given.

  10. How to Evaluate a Formula • Write the formula on the first line. • Substitute numerical values for all variables that are known or given on the second line. • Carry out any computations to find the value of the one remaining variable on the following lines. Follow the order of operations.

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