Term A · Chapter 4 · Lesson 9
2-Step Word Problems
Solve group problems with one additional quantity change or comparison.
MATH-3A-C04-L0935–45 minutes · flexible
Today's challenge
A store has 6 packs of 11 markers, then sells 19 markers. How many remain? Try your own method, then compare it with a model.
What you'll learn
- Solve group problems with one additional quantity change or comparison.
- Explain the connection between a diagram and a number sentence.
- Solve a fresh application without step-by-step hints.
Before this lesson
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