Wyoming Math 6.EE.7

Math6th GradeExpressions and Equations

The Standard

Write and solve real-world and mathematical problems in the form of one-step, linear equations involving non negative rational numbers.

2023 Wyoming Mathematics Content and Performance Standards · Reason about and solve one-variable equations and inequalities.

Teacher's field guide

What Students Need to Do: Students turn a word problem into a one-step equation with one unknown. They solve equations with decimals or fractions and check whether the answer fits the problem.
What Mastery Looks Like: Given three equal prices totaling $1.50, a student writes 3x = 1.50 and finds x = $0.50. They check by multiplying $0.50 by 3.
Common Misconceptions: Students may divide a total by the wrong number of items or choose addition when the story calls for subtraction. They may change only one side of an equation or misplace the decimal when dividing.
How to Assess It: Exit ticket: A bottle holds 1.5 liters and already contains 0.6 liters. Write and solve an equation for the liters needed to fill it.

Lesson moves

Give pairs $2.00 in play money. Have them remove $0.75, then write and solve x + 0.75 = 2.00.
Ask: A notebook costs $2.40 after a $0.60 discount. What was its original price? Write an equation and explain your operation.
Play equation bingo: call out 'three equal prices total $1.50.' Students write 3x = 1.50 and mark $0.50 on their boards.
Show a grocery receipt with three yogurts totaling $4.50. Students write and solve an equation for the price of one yogurt.

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