TEKS Math 6.7.B

Math6th Grade

The Standard

distinguish between expressions and equations verbally, numerically, and algebraically

Texas Essential Knowledge and Skills for Mathematics

Teacher's field guide

What Students Need to Do: Students identify whether a mathematical phrase names a quantity or makes a claim that two quantities are equal. They explain their choice using words, numbers, or variables.
What Mastery Looks Like: Students correctly sort numerical and algebraic examples based on whether they make a statement of equality. They explain that one represents a quantity, while the other states that two quantities are equal.
Common Misconceptions: Students may call any group of numbers and variables an equation. They may treat the equal sign as a signal to calculate rather than a claim that two quantities match. They may also try to solve an expression that has no equal sign.
How to Assess It: Give students 4x + 7, 4x + 7 = 19, 15 - 3, and 15 - 3 = 12. Have them label each and explain how the equal sign changes its meaning.

Lesson moves

Give pairs a card set of numerical and algebraic examples to sort into two labeled hoops, then justify each placement.
Ask students to write two sentences explaining why 3x + 5 and 3x + 5 = 20 serve different purposes.
Play a sorting relay where teams classify one card at a time and earn a point for a correct verbal explanation.
Show a grocery receipt total and a budget statement, then have students represent each situation with an expression or an equation.

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