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Adding and Subtracting a is a bright, motivating sticker workbook that is part of Ladybird's I'm Ready for Maths series. Written by experienced maths teachers, it covers all of the essential adding and subtracting concepts that children will be learning in school during Key Stage 1, such as number bonds to 5, 6, 7, 8, 9, and 10, counting on and back using a number line for help, and adding or subtracting a small number to a larger number.