Lesson Plan

Decimals, Decimals, Decimals!

This lesson combines three essential skills in one entertaining game! Students will need to add, subtract, and understand place value with decimals.
Download lesson plan
Need extra help for EL students? Try the Decimal Comparisons pre-lesson.
Grade
Subject
View aligned standards
Need extra help for EL students? Try the Decimal Comparisons pre-lesson.

Learning Objectives

Students will be able to use their knowledge of place value to add and subtract decimals.

The adjustment to the whole group lesson is a modification to differentiate for children who are English learners.
EL adjustments

Introduction

(5 minutes)
  • Explain to students that they will put their knowledge of adding and subtracting decimals to use with this game.
  • Ask students what the most important rule is when adding or subtracting decimals. (Answer: lining up the decimal point.)
  • Write the problem 2.21 + 0.54 on the board as a review. Have students help you solve the problem step by step.

Beginning

  • Allow students to use their home language (L1) or new language (L2) in their discussions.
  • Provide visuals, such as a place vaue chart with decimal places, and visuals for new vocabulary (e.g., "decimals," "hundreths," "tenths," "fractions," etc.) to help them understand the decimal review.

Intermediate

  • Write the academic language they can use throughout the lesson on the board as you introduce the language in the lesson (i.e., write sentence frames or new vocabulary).