Aim: How can we use a number line to represent a number sentence?
Homework: Txtbk p.16 Problem 1.3 A-E
Do Now: Compare the following pairs of numbers using <,> or =.
Classwork: Students write number sentences and sketch number lines, both vertical and horizontal, to compare temperatures. They encounter changing temperatures and determine the resulting temperature. Students are not expected to solve these problems by following specific algorithms for signed numbers. They use informal arithmetic reasoning to connect direction and distance to the number line, and then represent their reasoning with number sentences. Students focus on both distance and direction as they seek to describe changes in temperature and represent these changes with number sentences.
Announcements: Picture day will be taking place during math classes next Monday. Expect a shorter lesson than usual to accommodate the picture taking.