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Kindergarten
Two-digit Mental Addition
Kindergarten
Two-digit Mental Addition Interactive
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Kindergarten
Two-digit Mental Addition
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Two-digit Mental Addition
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Addition to 20
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Addition to 14 - No.1
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Addition up to 15 – No.1
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Addition to 13 – multiple addends
Two-digit Mental Addition
For most people, mental calculations are the most commonly used in math. Practicing two-digit mental addition will provide your child with a solid basis going into higher math grades.