Lesson Plan: Making Teen Numbers with Tens and Ones Mathematics • 1st Grade
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to model the numbers 11–19 and decompose them into a ten and ones.
Objectives
Students will be able to
- count objects and group them into a group of one ten and remaining ones,
- recognize that a group of ten ones is equal to one ten,
- decompose two-digit numbers up to 20 into a ten and ones,
- state the value of each digit in the numbers 11–20.
Prerequisites
Students should already be familiar with
- making the numbers 11–19 by making a group of 10 ones and some more ones.
Exclusions
Students will not cover
- one more of or less than numbers up to 20.
