Lesson Plan: Subtracting Ones from Teen Numbers: Subtracting From Ten | Nagwa Lesson Plan: Subtracting Ones from Teen Numbers: Subtracting From Ten | Nagwa

Lesson Plan: Subtracting Ones from Teen Numbers: Subtracting From Ten Mathematics • 1st Grade

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to subtract a one-digit number from a teen number by subtracting from ten.

Objectives

Students will be able to

  • subtract a one-digit number from a teen number by breaking apart the teen number model calculations with ten frames,
  • write number sentences for each step of the calculation.

Prerequisites

Students should already be familiar with

  • reading and writing numbers to 20,
  • subtracting numbers from 10,
  • using different strategies to add two single-digit numbers.

Exclusions

Students will not cover

  • number lines,
  • minuends larger than 19.

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