Sunny Day House

This color-by-code addition worksheet has students solve addition problems involving teen numbers, match each sum to a color key, and reveal a cheerful house scene. The activity emphasizes making tens, decomposing numbers, and flexible thinking while building addition fluency and accuracy for grades 2-3.

Learning Goals

Teen Number Fluency: Build confidence adding numbers within 20 using efficient strategies.
Make-A-Ten Strategy: Use tens as anchors to simplify more complex addition problems.
Number Decomposition: Break numbers apart to add accurately and efficiently.
Mental Math Development: Strengthen reasoning without relying on written algorithms.

Classroom & Home Use

Print-and-Go Resource: Perfect for centers, review days, or independent practice.
Strategy Reinforcement: Supports instruction aligned with place value and base-ten concepts.
Visual Self-Check: Incorrect sums disrupt the picture, encouraging revision.
Low-Stress Practice: Puzzle-style format reduces math anxiety.

Students strengthen accuracy, flexibility, and confidence with teen-number addition as they complete the scene. The visual structure encourages strategic thinking and careful checking, making it an effective tool for both classroom instruction and home practice.