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  PowerPoint: Base Ten: Let's Learn About Tens and Ones! (primary)
PowerPoint - Place Value - Base Ten - Common Core  -  Grade 1 & 2 - preview 1
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This PowerPoint introduces tens and ones for 2-digit numbers. Students learn a variety of ways to represent the number by bundling objects. Animations.  Common Core Math: Base Ten: 1.NB.1, 2.NB.1

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