Mailbox Number Bonds Answer Key

This worksheet uses mailbox-themed visuals to help students build addition and subtraction fact families. Each mailbox displays three numbers, and learners must use them to write four related equations. The structure helps students clearly see the relationship between total and parts. Students also strengthen number sense by identifying which number must be the sum and which serve as addends. The theme adds playfulness while maintaining instructional rigor. This worksheet is ideal for guided practice or spiral review.

Curriculum Matched Skills

Mathematics – Number Relationships: Identify related addition and subtraction facts

Mathematics – Problem Solving: Use number sets to generate equations

Mathematics – Arithmetic Fluency: Reinforce number bond understanding

This worksheet is part of our Math Fact Families Worksheets collection.