How Old Are You?

This worksheet is designed for students in Grades 3 and 4 to practice calculating elapsed time by subtracting years in meaningful, real-life contexts. Through age calculations, historical timelines, future projections, and milestone comparisons, learners strengthen subtraction skills, temporal reasoning, number sense, and understanding of how time progresses across years and decades.

Learning Goals

• Elapsed Time with Years (Gr. 3-4): Calculate how many years have passed between two dates.
• Timeline Understanding: Interpret personal and historical timelines involving birthdays, anniversaries, and events.
• Estimation & Future Projection: Determine ages or durations by projecting into future years.
• Temporal Reasoning: Analyze relationships between past, present, and future using numerical data.

Instructional Benefits

• Teacher-Created Resource: Developed by educators to align with elementary math and social studies standards.
• Real-World Connections: Uses relatable scenarios such as birthdays, family milestones, and inventions.
• Simple, Clear Structure: Supports independent work while reinforcing careful reading and calculation.
• Flexible Use: Ideal for math centers, small groups, independent practice, assessment review, homework, or homeschool learning.

This elapsed time worksheet helps students build confidence subtracting years and interpreting timelines accurately. By connecting math to personal experiences and historical events, learners deepen their understanding of how time passes and how numbers represent change over long periods. Whether used in the classroom or a homeschool setting, this printable provides practical, no-prep practice that supports strong foundations in time, subtraction, and critical thinking.

This worksheet is part of our Time Word Problems collection.