The ability to partition numbers (explode them into units, tens, hundreds etc) is essential and is typically introduced in Years 2/3 with the concept of place value. An understanding of number partitioning is vital for all subsequently taught methods of calculation.

The simplest numbers to partition are 2-digit numbers which children need to understand are made up of a tens component and a units (ones) component. These 2-digit number partitioning worksheets are designed to give children partitioning practice.

Example: 65 = _60_ + _5_