Lesson Plan: Subtracting Tens from Two-Digit Numbers Mathematics • 1st Grade

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to subtract a multiple of ten from a two-digit number and model this with place value blocks and tables.

Objectives

Students will be able to

subtract multiples of ten from two-digit numbers using place value blocks,
subtract multiples of ten from two-digit numbers, recording the calculation in a place value table,
use place value language to describe subtraction.

Prerequisites

Students should already be familiar with

modeling two-digit numbers using place value blocks,
subtracting ones from two-digit numbers.

Exclusions

Students will not cover

numbers greater than 100,
subtracting numbers other than multiples of 10 from two-digit numbers.