Lesson Plan
Curated OER

Lesson 3: Number Sense

For Teachers 6th - 10th
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
Lesson Plan
Illustrative Mathematics

How Thick Is a Soda Can II?

For Teachers 9th - 12th Standards
Science, technology, and math come together in this one combination exercise. Analyzing the common soda can from both a purely mathematical perspective and a scientific angle allows for a surprisingly sophisticated comparison of...
Worksheet
Curated OER

Estimation and Approximation

For Students 7th - 8th
In this estimation and approximation learning exercise, students determine the estimated value of given multiplication and division problems containing decimals. They round answers to the nearest whole number. This two-page learning...
Lesson Plan
Illustrative Mathematics

How Many Cells Are in the Human Body?

For Teachers 9th - 11th Standards
Investigating the large numbers of science is the task in a simple but deep activity. Given a one-sentence problem set-up and some basic assumptions, the class sets off on an open-ended investigation that really gives some...
Lesson Plan
Pennsylvania Department of Education

Freckle Face

For Teachers Pre-K - 2nd
Young scholars collect and record data. In this early data analysis lesson, students gather data about their partners face. As a class, the young scholars use tally marks and pictographs to record the data and answer question about the...
Lesson Plan
Pennsylvania Department of Education

Order, Order

For Teachers Pre-K - 2nd
Students use pictures to identify items as ordinal numbers. In this ordinal numbers lesson plan, students use the words "before" and "after" to identify the pictures as well.