McRuff the dog loves to bury his bones. To date he has buried 4 bones but then burries x more resulting in 10 bones burried. Which equation can McRuff use to calculate how many bones he has buried? \(4 \, + \, x \, = \, 10\)

\(4 \, \times \, x \, = \, 10\)

Brianna is a weightlifter and can lift 3 kilograms in a deadlift. To be considered strong, Brianna must be able to deadlift 10 kilograms. How many kilograms does she need to add to her deadlift to be strong? Use an equation to express the answer. \(3 \, + \, x \, = \, 10\)

\(3 \, \times \, x \, = \, 10\)

Write Variable Equations to Represent - Grade 3

Mixed Equations, Algebra

Mathematics Florida Standards

Grade 3 - Operations and Algebraic Thinking

Standard 3.OA.4.8 - Practice writing variable addition, subtraction, multiplication and division sentences to represent a word problem.

Included Skills: Mixed Equations, Algebra

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.