There are 20 pies on a windowsill after you added 17 more. Which equation represents this situation? \(?\)

\(20 \, \times \, 17 \, = \, x\)

Last week Daniel looked at the apple tree and there were 16 apples. This week there are 22 apples. Which equation solves to tell us how many new apples there are on the tree? \(?\)

\(22 \, \times \, 16 \, = \, x\)

\(x \, \times \, 22 \, = \, 16\)

There are 180 space monkeys on a particular space station. There are 18 different rooms on the space station, and each room contains the same number of monkeys. Choose the equation that represents the total number of space monkeys. \(?\)

\(18 \, \times \, x \, = \, 180\)

\(x \, \div \, 18 \, = \, 180\)

\(18 \, \times \, x \, = \, 180\)

\(x \, \times \, 180 \, = \, 18\)

\(180 \, \times \, x \, = \, 18\)

Write Variable Equations to Represent - Seventh Class

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Seventh Class - Algebra

Standard 7.OA.6 - Practice writing variable addition, subtraction, multiplication and division sentences to represent a word problem.

Included Skills:

Expressions
• Using letters to represent quantities that are variable.
• Arithmetic operations on expressions; applications to real life contexts.
• Transformational activities: collecting like terms, simplifying expressions, substituting, expanding and factoring.

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