Lesson Playlist: Adding by Counting On: Numbers up to 10 Mathematics • 1st Grade
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00:58Counting Objects to 10
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00:57
Counting On to Solve Addition Word Problems
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01:13
Using the Counting On Strategy to Add Numbers up to 20
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01:31
Counting Forward Beginning from a Given Number
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01:28
Adding One-Digit Numbers by Counting on a Number Line
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01:37
Adding One-Digit Numbers Using a Number Line
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01:50
Moving Counters to Find the Missing Number
