Lesson Plan: Subtracting Tens on a Number Line Mathematics
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to subtract multiples of ten from a two-digit number using a number line with numbers up to 100.
Objectives
Students will be able to
- use a number line to subtract a multiple of ten from a two-digit number,
- solve word problems using an open number line.
Prerequisites
Students should already be familiar with
- tens and ones,
- subtracting ones from two-digit numbers.
Exclusions
Students will not cover
- three-digit numbers.
