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### Two Runners

3-5

In this activity, students use a software simulation of two runners
along a track. Students control the speed and starting point of the
runners, watch the race, examine the graphs, and analyze the
time-versus-distance relationships. This activity helps students
understand, describe, and compare situations involving constant rates
of change.### Pigging Out

3-5

This lesson uses the story of *The Three Little Pigs*to motivate students to think and reason mathematically in a number of ways. Students develop reasoning skills and identify similarities and differences through the use of Venn Diagram. Spatial reasoning is also emphasized in this lesson.

### If the Shoe Fits...

3-5

Students use classification skills to compare and contrast versions of the *Cinderella*story. Students identify similarities and differences between two versions. In addition, they use attributes to classify and sort information.

### Rescue Mission Game

3-5

Students play a game to learn about the four forces of flight: lift, drag, thrust, and weight. Before playing the game, students conduct a probability experiment with spinners and record their results in tally tables and bar graphs. They then use their findings to select spinners with the greatest probability of helping them win the game. In a portion of the game, students use ordered pairs to plot points on the coordinate plane to show their flight path.

This lesson was adapted from *Travel in the Solar System* in Mission Mathematics II: Grades 3‑5, a NASA/NCTM project, NCTM
1997.

### Dealing With Data In the Elementary School

3-5

This project-based unit on statistics furnishes a vehicle for problem solving through real-world data collection and analysis. Students use the mean, mode and median to analyze their data and use graphs to represent their findings. ### Picture This

3-5

In this lesson, students participate in an activity in which they
conduct a survey, analyze and summarize the data they collect, and draw
conclusions from their findings. This lesson plan was adapted from the
article "Picture This" by Marty Hopkins, which appeared in *Teaching Children Mathematics*, February 1998, vol. 4, no. 6, pp. 354-59.

### What’s Next?

3-5

Students begin their study of growing patterns by making linear
patterns with pattern block shapes using several pattern cores. They
extend a partner’s pattern and find the missing element in a pattern.### Patterns on Charts

3-5

Students find, record, and analyze patterns on hundred and
multiplication charts. They also use an online calculator to generate
patterns and then record the patterns on a chart.### Growing Patterns

3-5

Students use numbers to make growing patterns. They create, analyze,
and describe growing patterns and then record them. They also analyze a
special growing pattern called Pascal’s triangle.### Looking Back and Moving Forward

3-5

In this final lesson of the Unit, students use logical thinking to create, identify, extend, and translate patterns. They make patterns with numbers and shapes and explore patterns in a variety of mathematical contexts.