Water

Exploring the Environment – Water

Air

Exploring the Environment – Air

Soil

Exploring the Environment – Soil

Roads

Exploring the Environment – Roads

Approximation

Approximate answers to addition and subtraction problems to a given degree of accuracy;
Approximate answers to multiplication and division problems to a given degree of accuracy;
Rounding numbers to the nearest 10, 100, and 1000;
Apply approximation involving basic operations in everyday life activities
Solve problems on quantitative reasoning in the above contents.

Estimation

Estimate the dimensions and distances within the school;
Estimate the capacity and mass of given objects;
Estimate other things in day to day activities;
Solve problems on quantitative reasoning in estimation