Estimation resources

In this task students decide which people are estimating and which are not, and explain their reasoning.

Students select the best estimate for division and multiplication problems involving stamps, money, and baskets of pinecones.

Students calculate an exact square root and estimate approximate square roots by finding the length of the square flower bed of a given area, and give an explanation for their answers.

Students show how they would carry out estimation of multiplication tasks.

In this practical task, students are to estimate the cost of meals ordered from a menu. The teacher reads out the meals and students show the steps in their estimations.

In this practical task, students decide how many of four different shaped containers have the same capacity, then check by filling them with water.

Students estimate (and explain how) the area of two islands on a grid.

Students estimate the height and length of various items around their school.

Students use estimation strategies to calculate the number of vegetables they can buy with given amounts of money.