Missing Addend – Sums of 18 – Just Keep Swimming

Just keep swimming along and following your school …  find each missing addend  in these 24 problems with sums of 18 – a great way to practice addition facts!

CCSS  1.OA.6

Please go to this page to see all the missing addend worksheets for sums of 16-20.

missing addend - sums of 18 - just keep swimming

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Grade Levels: First Grade
Subjects: Addition // Math // First Grade Addition // Missing Addend Worksheets - Sums of 16-20