Grade:
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Students complete multi-step subtraction problems that all end with a difference of zero. Children practice mental math in this space-themed subtraction worksheet.
Excerpted from
First Grade Math Made Easy
The successful way to improve your child's math. These workbooks have been compiled and tested by a team of math experts to increase your child's confidence, enjoyment, and success at school. First Grade Math Made Easy provides practice at all the major topics for Grade 1 with emphasis on addition and subtraction concepts. It includes a review of Kindergarten topics and a preview of topics in Grade 2. Learn how the workbook correlates to the Common Core State Standards for mathematics.
