Lesson Plan: Subtracting Ones from Two-Digit Numbers on a Number Line | Nagwa Lesson Plan: Subtracting Ones from Two-Digit Numbers on a Number Line | Nagwa

Lesson Plan: Subtracting Ones from Two-Digit Numbers on a Number Line Mathematics • 2nd Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to count backward on number lines to subtract single-digit numbers from two-digit numbers.

Objectives

Students will be able to

  • count back along a number line to subtract a single-digit number from a two-digit number,
  • use partitioning to help subtract across a 10,
  • apply knowledge of subtracting using a number line when solving word problems.

Prerequisites

Students should already be familiar with

  • subtracting single digits from two-digit numbers using a hundred chart,
  • partitioning to help with calculations.

Exclusions

Students will not cover

  • subtracting ones from two-digit numbers without using a number line,
  • subtracting two-digit numbers,
  • subtracting from three-digit numbers.

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