Curated OER
Personal Budgeting Project
Learners create an Excel spreadsheet of a personal budget by estimating their possible income and monthly expenses from a worksheet. They group together to create a family unit and use the personal budget sheets to plan a family budget.
Curated OER
Light Beam
Pupils measure and convert between units. For this geometry lesson, students investigate through measurements of distances. They relate the properties of circle to solving problems with radius, diameter and area.
Curated OER
Infinite Secrets
High schoolers duplicate the method that Archimedes used to estimate the value of pi. They complete a data table and find the approximate values of pi for three sets of polygons.
Curated OER
Measuring Angles
Third graders describe an amount of turn from a particular position to another using the 'circular' benchmarks of 0, ++, ++, ++, and full turn. Estimation language such as 'just about', 'between', 'not quite', 'just over', and similar...
Curated OER
Estimation and Pattern Discovery
Middle schoolers collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
Sophia Learning
Sophia: Estimating the Area of a Circle: Lesson 4
This lesson explains how triangles and parallelograms can be used to estimate the area of a circle. It is 4 of 4 in the series titled "Estimating the Area of a Circle."
Sophia Learning
Sophia: Estimating the Area of a Circle: Lesson 3
This lesson explains how triangles and parallelograms can be used to estimate the area of a circle. It is 3 of 4 in the series titled "Estimating the Area of a Circle."