2N1: Count in steps of 2, 3, and 5 from 0, and in tens from any number, forward and backward.
2N2a: Read and write numbers to at least 100 in numerals and in words
2N2b: Compare and order numbers from 0 up to 100; use <, > and = signs
2N3: Recognise the place value of each digit in a two-digit number (tens, ones).
2N4: Identify, represent and estimate numbers using different representations, including the number line