docx, 927.47 KB
docx, 927.47 KB
• Add and subtract whole numbers with more than 4 digits, including using formal written methods (columnar addition and subtraction)
• Add and subtract numbers mentally with increasingly large numbers
• Use rounding to check answers to calculations and determine, in the context of a problem, levels of accuracy
• I can solve addition and subtraction multi-step problems in contexts, deciding which operations to use and why

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