Numbers 11-20: addition with sums above 10; subtraction with differences below 10; understanding the relationship between addition and subtraction; checking the results of subtraction; doubling; halving and doubling numbers; even and odd numbers
Numbers 0-100: units, tens (0, 10, 20, ..., 100) and one hundred; greater than/less than; number series
Telling the time: on the hour and half past
Geometry: wholes; 2D shapes
Fundamentals of measurement; centimetres