House Routes Answer Key
About This Worksheet
This worksheet helps first graders sort numbers into even and odd groups by drawing lines to matching houses. Students work with the numbers 10 through 30 while deciding whether each value belongs in the Even House or the Odd House. An even number can always be divided into two equal groups, while an odd number leaves one extra. For example, 22 belongs in the Even House, while 23 belongs in the Odd House. The house theme gives children an easy visual way to organize their thinking.
Curriculum and Grade Alignment
This activity is designed for Grade 1 students who are developing confidence with even and odd numbers. Students should already recognize and read numbers through at least 30 before beginning. Sorting numbers into categories strengthens logical reasoning and supports future work with multiplication and division. This worksheet builds toward CCSS.MATH.CONTENT.2.OA.C.3 and aligns with TEKS 1.2.A by reinforcing number classification. It also helps students recognize repeating numerical patterns.
Student Tasks
On this worksheet, students will examine every number shown around the two houses. They draw a line from each number to either the Even House or the Odd House based on its value. Students continue until every number has been matched correctly. After completing the page, they can review their work to make sure each house contains the appropriate numbers.
Common Challenges and Misconceptions
Some students may accidentally switch the two houses after several matches. Others may guess based on where a number appears instead of deciding whether it is even or odd. A few learners may cross too many lines and lose track of their answers. Encourage students to decide whether each number is even or odd before drawing any connecting lines.
Implementation Guidance
Teachers can use this worksheet after introducing even and odd numbers with hands-on materials like counters or cubes. It works well for small-group instruction, partner work, or independent review. Parents can complete the activity alongside their child by discussing why each number belongs in its chosen house. Following the worksheet, children can sort household objects into even and odd groups for additional practice.
Details and Features
The worksheet includes colorful Even and Odd Houses with clearly printed numbers arranged on both sides. The large illustrations make the activity inviting while keeping directions easy to follow. The printable format works well in classrooms, tutoring sessions, and homeschool environments. Its clean layout helps students stay focused on the math skill rather than the page design.