Lesson Plan
Reasoning about Multiplication and Division and Place Value, Part 2 Lesson Plan
Illustrative Mathematics

Reasoning about Multiplication and Division and Place Value, Part 2

For Teachers 5th - 7th Standards
The learner puts reasoning and estimation to work. The directions are to place a decimal in the answer to make the equation true. Pupils are to look at the two problems, one multiplication and one division, and estimate an answer. No...
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Activity
The Great Elephant Census Modeling Activity Activity
Howard Hughes Medical Institute

The Great Elephant Census Modeling Activity

For Teachers 9th - Higher Ed Standards
They say elephants never forget—and your class won't forget an insightful modeling activity either! Junior zoologists take part in a mock elephant census using the sample count and total count methods. The included materials provide...
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Activity
K 5 Math Teaching Resources: Estimate the Quotient [Pdf] Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Estimate the Quotient [Pdf]

For Students 3rd - 5th
This activitiy asks students to randomly select a one-digit divisor and a three-digit dividend and estimate the quotient mentally. Students must then explain why they believe their estimate is accurate.
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