Estimation is a skill that allows students to identify large groups of objects from smaller ones. We brainstormed what the word estimation might mean and then read Great Estimations by Bruce Goldstone.
We found that estimate means to make an measured guess. So we decided to estimate the number of students that attend our school. We recorded our estimations then set out with our recording boards to find out who's estimation was the closest.
We visited each classroom and the students took turns asking the teachers how many student were in their class. Once they found out they reported back to class and we recorded the number next to the class number.
When we returned to the classroom after our investigation around the school, we used a calculator on the interactive whiteboard to total all of our student numbers.
We found that we had 301 students in our school and that Chantelle was the closest with her estimation.
We then wrote about what exactly we did in our investigation and what we had learnt about estimating.
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