# WORD PROBLEMS with Miss Hutter

### Addition & Subtraction

## Central Focus :

Students are having difficulties with identifying key words within addition and subtraction word problems which are clues to how they are going to solve the problem. This lesson & learning activities are geared towards students becoming more familiar with these keywords, and using these keywords for creating their own problems.

## Goals/Objectives

- Students will recognize key words within addition and subtraction word problems and use them when creating their own problems
- Students will work in cooperative groups to find keywords and solve selected word problems
- Students will brainstorm ideas with partner and will create 2 word problems for the classroom booklet
- Students will analyze and explain how to solve their two word problems they've created

## Common Core State Standards

## Materials:

- Word problem activity guide/computer/polyvision/internet
- word problem cards & scrap paper for groups
- template for creating word problems for booklet

## Assessment:

Informal:

discussion/ checking for understanding throughout the lesson

observation of students working with partners on solving practice problems

observation of students working with their partner to create problems

Formal:

- Student created +/- word problems & how to solve (on back)

## Accommodations & Modifications:

- preselected groups of students to create problems together (adult aid)
- amount of problems to solve/practice & amount made for booklet

## Instructional Strategies and Learning Tasks

## Step 1: Discussion of addition & keywords...

- discuss addition keywords
- do addition examples as class, identifying keywords within the problem

Doug found 6 toy cars in the toy box. Jill found 7 more toy cars. How many total toy cars did Doug and Jill find?

- what are key words?
- how do we solve?

Jenny saw 10 movies last year. This year, she saw 2 movies. How many movies did Jenny see in both years?

- what are key words?
- how do we solve?

## Step 2: Discussion of subtraction & keywords...

- discuss subtraction keywords
- do subtraction examples as class & identify keywords within the problem

At Toys 'R US, a doll costs $4 less than a toy truck. A toy truck costs $12. How much does a doll cost?

- what are key words?
- how do we solve?

Mr. Smith owns a farm. He has 12 pigs. He is going to sell 2 pigs next week. How many pigs will he have left?

- what are key words?
- how do we solve?

## Step 3: Practice problems with your partner/group

- Students will complete practice addition & subtraction problems assigned with their selected group
**Students will circle/highlight any keywords**- Students will share keywords & how to solve
**1 of their problems**with the class

## Step 4: Create Word Problems

- Students will create "rough draft" of word problems (1 addition & 1 subtraction)
- Students will show how to solve the problem on the back
- We will add them to our
*Addition & Subtraction - Word Problem Booklet*

## Create rough draft- 1 addition word problem
- 1 subtraction word problem
| ## Explain how to solve the problem On the back, explain how you solve problem (1) and (2). | ## Word problem booklet We will put all of our practice problems into our Addition & Subtraction- Word ProblemPractice booklet. |