Central idea:There is a system for numbers.

Summative Assessment:

•Students are given a realistic set of data, including decimals and whole numbers. They will order them from smallest to largest, and explain their thinking. (PYP)

Unit 5: The Base-Ten Number System

Questions:1. Which words help us to talk about numbers?2. How do mathematicians write small and large numbers?3. How do we use base 10 numbers in real life?4. How does the base 10 system help us understand parts and wholes?

By the end of this unit I will have the skills to:

• Identify place value, read, write, compare and order whole numbers up to 5 digits, using real life examples. (S)• Identify place value, compare, order, read and write 1-and 2-digit decimals, using real life examples e.g. currency. (D)

Concepts:

-form-function-causation

Transdisciplinary Skills:-thinker-communicator