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Operations and Algebraic Thinking 218-221

Course: Operations and Algebraic Thinking 218-221 > Unit 5

Lesson 5: Finding mistakes in one-step equations
Math Content
Operations and Algebraic Thinking 218-221
Equations & inequalities introduction
Finding mistakes in one-step equations
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Find the mistake in one-step equations

CCSS.Math: 6.EE.B.7
Google Classroom

Problem

Paulo tried to solve an equation.
f0.25=16f0.25⋅0.25=16⋅0.25Setting upf=4Calculating\begin{aligned} \dfrac f{0.25}&=16\\\\ \dfrac{f}{0.25} \cdot0.25&=16\cdot0.25&\tealE{\text{Setting up}}\\\\ f&=4&\purpleD{\text{Calculating}} \end{aligned}
Where did Paulo make his first mistake?
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