Lesson Plan: Adding Tens on a Number Line Mathematics • 1st Grade
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to add multiples of ten to a two-digit number using a number line with numbers up to 100.
Students will be able to
- use a number line to add a multiple of ten to a two-digit number,
- choose which number to start from when adding tens on an open number line,
- solve word problems using an open number line.
Students should already be familiar with
- tens and ones,
- adding ones to two-digit numbers.
Students will not cover
- three-digit numbers.