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 align our calendar with the sun's rotation.
For members we have an editable Word doc and solutions.
CCSS: 5.NBT, 6.NS, 7.NS, N-Q.3