What exactly does the number 97 mean? How about 454? In this lesson, students explore how two-digit numbers are made up of tens and ones. Then they use this understanding to subtract numbers within 1000.
Use this scaffolded EL support lesson to help students learn the strategy of decomposing three-digit numbers to add their place values. This lesson can be used alone or prior to teaching Composing and Decomposing to students.
Use this lesson to help students build their speaking and listening skills as they learn how to critique a flawed response using discussion cards. Use this as a stand-alone support lesson or alongside the activity Break it Down!