Will we have a 29th of February this year? How can you tell?
Students work with a flow chart to deduce what years are going to be leap years. They learn about the exact measurement of a solar year and how our Gregorian calendar needs to be adjusted to accurately align the calendar with the Earth's revolutions around the Sun.
For members we have an editable Word doc and solutions.
CCSS: 5.NBT, 6.NS, 7.NS, N-Q.3