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

Lesson Plan: Subtracting Ones from Teen Numbers: Making Ten Mathematics • Second Year of Primary School

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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 when we cross a ten by subtracting the ones in two steps.

Objectives

Students will be able to

  • partition single-digit numbers,
  • subtract a part of a one-digit number to reach ten and then subtract the remaining part.

Prerequisites

Students should already be familiar with

  • reading and writing numbers up to 20,
  • subtracting numbers up to 10.

Exclusions

Students will not cover

  • subtracting from a number greater than 20.

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