# Writing Expressions

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I use this activity to help students learn about the different words used to write and translate expressions.

I write all of the addition/multiplication words on one side of a piece of paper and all of the subtraction/division words on the other side. I make a class set of the copies. I put each copy in a paper sleeve and give each group a marker and one copy of the words. Together the students put the different words inside of the operation the word belongs in. An example of this would be that difference goes in the subtraction sign. When students write a word on their sheet they cross it off with the dry erase marker until they have finished placing all of the words.

I find this activity to be fun for students. They have great conversations and it truly helps with the retention of the important vocabulary they need to know when writing expressions and in math in general.

Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, 𝘢 + 0.05𝘢 = 1.05𝘢 means that “increase by 5%” is the same as “multiply by 1.05.”
Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient); view one or more parts of an expression as a single entity. For example, describe the expression 2 (8 + 7) as a product of two factors; view (8 + 7) as both a single entity and a sum of two terms.
Write expressions that record operations with numbers and with letters standing for numbers. For example, express the calculation “Subtract 𝘺 from 5” as 5 - 𝘺.
Write and evaluate numerical expressions involving whole-number exponents.
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