Caleb spends 2 hours per day pruning a bonsai tree over x days for a total of 10 hours and 2 hours per day of pruning. Use an equation to express the total number of hours spent pruning. \(2 \, \times \, x \, = \, 10\)

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

If Luke has 8 chicken nuggets, and he steals x from his brother resulting in 10 nuggets, which equation expresses this? \(8 \, + \, x \, = \, 10\)

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

Write Variable Equations to Represent - Grade 3

Mixed Equations, Algebra

Create Assignment Create Assessment

Prince Edward Island Mathematics curriculum

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: Mixed Equations, Algebra

Solve one-step addition and subtraction equations involving symbols representing an unknown number. • Achievement Indicators • Students who have achieved this outcome(s) should be able to: - 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.