SUB SKILLS (KLIs as per FONS)	Is able to estimate size of a set or an object (comparing sizes and objects) Is able to estimate numbers while comparing
KEY LEARNING INDICATORS	Level 1 ES1.1A Understanding objects and their attributes: shape, size, colour/texture Level 2 ES1.2A Uses estimation in verification of sum and difference of two-digit numbers. Level 3 ES1.3A Uses estimation in verification of sum and difference of 2 and 3-digit numbers.