Key Idea1 of 3
Pick the Best Tool
Different problems work best with different strategies. 6+6? Use doubles! 6+7? Use near doubles! 9+4? Make a 10! Choose the fastest path.
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Mathematics — Addition Strategies
Different problems work best with different strategies. 6+6? Use doubles! 6+7? Use near doubles! 9+4? Make a 10! Choose the fastest path.