Lesson Plan: Subtracting Two-Digit Numbers on a Hundred Chart Mathematics • 2nd Grade
This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to subtract two-digit numbers from two-digit numbers by counting on and back in tens and ones on a hundred chart.
Objectives
Students will be able to
- use a hundred chart to subtract 2-digit numbers from 2-digit numbers by counting on by tens and then ones,
- use a hundred chart to subtract 2-digit numbers from 2-digit numbers by counting back by tens and then ones,
- use a hundred chart to count on or back to find a missing number in a subtraction sentence,
- choose a subtraction strategy to solve a simple word problem using a hundred chart.
Prerequisites
Students should already be familiar with
- using a hundred chart to subtract ones from a number,
- using a hundred chart to subtract tens from a number.
Exclusions
Students will not cover
- subtracting two-digit numbers using models other than a hundred chart.