Lesson Plan: Adding Two-Digit Numbers on Number Lines | Nagwa Lesson Plan: Adding Two-Digit Numbers on Number Lines | Nagwa

Lesson Plan: Adding Two-Digit Numbers on Number Lines Mathematics • 1st Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to use a number line to add two-digit numbers to two-digit numbers by making jumps of tens and ones.

Objectives

Students will be able to

  • make jumps of tens and ones on an open number line,
  • decide when to decompose the ones to make a ten,
  • solve word problems by adding two-digit numbers using an open number line.

Prerequisites

Students should already be familiar with

  • adding ones on an open number line,
  • adding tens on an open number line.

Exclusions

Students will not cover

  • three-digit numbers.

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