This set of 56 differentiated double-digit addition worksheets uses the Split Strategy to help students build fluency and confidence. Each worksheet is star-rated to indicate difficulty, making it easy to tailor practice to individual needs. Perfect for Year 1 and Year 2 learners, this resource supports the Australian Curriculum and encourages a deep understanding of number combinations through place value and mental strategies. Australian Curriculum v9.0 – Mathematics Content Descriptors Year 1