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Grade 7 Math · Problem type
Which equation matches the story?
Use this for “Which equation shows 3 friends each paying x plus a $5 tip each, $30 in all?”
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Which form of equation matches the story?
Tap a card, then tap its group.
Assumptions
•
px + q = r: p equal parts, then q more (or less) once.
•
p(x + q) = r: p groups, and each group has x and q more (or less).
•
Ask whether the extra happens once or once in every group.
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Related lessons
Two-step equations and inequalities
Main lesson
px + q = r with negative numbers
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p(x + q) = r
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