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Printables
K-5 Math Teaching Resources

Elapsed Time Ruler Sample 1 x 4 Rulers

For Teachers 2nd - 5th Standards
Who knew that you could measure time with a ruler? This great printable resource allows young mathematicians to visualize the hours of the day as they learn to calculate elapsed time.
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Printables
K-5 Math Teaching Resources

24 Hour Number Line

For Students 2nd - 4th Standards
Learning to calculate elapsed time can be a struggle for young mathematicians. Help your class overcome this hurdle in their learning with these simple 24-hour number lines that start at 12 midnight, pass through 12 noon, and finally end...
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Lesson Plan
Virginia Department of Education

Mineral Identification

For Teachers 9th - 12th
What's the difference between a rock and a mineral? And what properties are used to identify minerals? The first installment of a five-part series on earth materials and processes prompts young scientists to identify a set of...
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Lesson Plan
Virginia Department of Education

Weathering of Limestone

For Teachers 9th - 12th
We all know limestone weathers, but what affects the rate of weathering? Young scientists investigate the physical and chemical weathering of limestone (chalk) through experimentation. First, they conduct trials with different-size...