A barrista makes x cups of coffee in 10 hours resulting in 2 cups per hour. Which equation represents this? \(x \, \div \, 10 \, = \, 2\)

\(10 \, \times \, x \, = \, 2\)

Logan is a weightlifter and can lift 8 kilograms in a deadlift. To be considered strong, Logan must be able to deadlift 10 kilograms. How many kilograms does he need to add to his deadlift to be strong? Use an equation to express the answer. \(8 \, + \, x \, = \, 10\)

\(8 \, \times \, x \, = \, 10\)

Write Variable Equations to Represent - Grade 3

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Grade 3 - Patterns and Relations

Standard 3.PR.3 - Practice writing variable addition, subtraction, multiplication and division sentences to represent a word problem.

Included Skills:

Solve one-step addition and subtraction equations involving symbols representing an unknown number.
• Achievement Indicators
- Explain the purpose of the symbol, such as a triangle or a circle, in a given addition and in a given subtraction equation with one unknown.
- Create an addition or subtraction equation with one unknown to represent a given combination or separation action.
- Provide an alternative symbol for the unknown in a given addition or subtraction equation.
- Solve a given addition or subtraction equation that represents combining or separating actions with one unknown using manipulatives.
- Solve a given addition or subtraction equation with one unknown using a variety of strategies including guess and test.
- Explain why the unknown in a given addition or subtraction equation has only one value.

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