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Big Ideas Math: Modeling Real Life, Grade 6 View details

2. Writing Expressions

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Exercise 1 Page 210

What operation does the sum of represent?

18+35

Practice makes perfect

We are asked to write an algebraic expression for the given verbal expression. The key phrase in the verbal expression is the sum of ... and ... This indicates that we should add two things. ... + ... The two terms that we are adding together are 18 and 35. Since 18 comes first in the verbal expression, it should be on the left-hand side of the addition. 18 + 35