The Common Core standards require that children understand three subtraction situations.
take away
compare
missing addend
The standards also require that children be able to solve subtraction problems with the unknown in any position.
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Click here to see how ten frames can help teach and practice these skills.
You can find this free lesson in the Problem Solving section.
Click Settings within the lesson to choose:
take away,
subtract to compare, or
missing addends.
Remember, subtraction is a hard skill to learn. With the right tools and a can-do spirit, children do accomplish marvelous things.
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