Big Ideas Math: Modeling Real Life, Grade 6
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Big Ideas Math: Modeling Real Life, Grade 6 View details
1. Writing Equations in One Variable
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Exercise 1 Page 246

The word equals divides the sentence into what should be on the left-hand side and what should be on the right-hand side of the equation.

b-9=2

Practice makes perfect

We have been given a sentence and we need to translate it into an equation.

9 less than a number b equals 2.

Every equation has an equals sign and values or expressions on either side of it. Key phrases, such as is, is equal to, and equals tell us about the placement of the equals sign.

9less than a numberb equals 2. ⇕ 9less than a numberb = 2. On the left-hand side we have the key word: less than. This word tell us the operation that will be used in our equation. Less than indicates subtraction. 9 less than a numberb b - 9 On the right-hand side, we have number the number 2. Putting these sides together, we have a complete equation. b - 9 = 2