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One Less within 20: Horizontal Subtraction - Math Worksheets - SplashLearn
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One Less within 20: Horizontal Subtraction Worksheet

Be on your way to become a mathematician by practicing to find one less within 20.

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Children practice finding one less within 20 with this worksheet. As the worksheet uses a horizontal format, it allows for more creativity when it comes to how the student solves the problem. In contrast, in the vertical format, students usually employ the standard method to solve.

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