Froggy Subtraction

Students will love competing to be the first frog to catch the fly as they practice jumping on a number line to subtract. Use this scaffolded EL lesson plan alone or alongside **Whole Body Subtraction.**

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This lesson can be used as a pre-lesson for the Whole Body Subtraction lesson plan.

This lesson can be used as a pre-lesson for the Whole Body Subtraction lesson plan.

Objectives

Academic

Students will be able to subtract within 20.

Language

Students will be able to explain the steps to subtract with transitional words using a visual number line and partner support.

Introduction

(5 minutes)

Write Student-Facing Language Objectives Reference

Tell students the story problem, "Sandra loves to share! For her birthday she got 20 stickers! She gave six stickers to her friend. How many stickers does Sandra have left?"
Show students 20 stickers, or draw 20 circles on the board. Tell students that you will subtract to show the stickers that Sandra gave away. Remove six stickers.
Count chorally as a class to determine that Sandra has 14 stickers left.
Summarize, "Sandra started with 20 stickers total. She gave away part of the stickers. Sandra kept the other part for herself. We wanted to know how many stickers Sandra kept for herself. Here is a way we can write that: 20 - 6 = 14."
Point below the equation and read chorally, "Twenty minus six equals fourteen."
Say, "Repeat after me. Sandra had fourteen stickers left."

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