Clase de Matemáticas de 4.º grado de la Sra. Colleen: Suma y resta de fracciones

Adding and Subtracting Fractions
This unit’s focus is on adding and subtracting fractions and mixed numbers.  Lessons will be displayed using powerpoint or google slides.  Students should have a good understanding of grade 3 fraction concepts before taking this course.  Students should also have an understanding of multiplication, division, subtraction, addition and grade 3 level fractions as our warm ups will include this.  Students are encouraged to use manipulatives throughout the unit. I will include a paper copy of manipulatives.   Please take a look at the following description below to see if this class is a good fit for your learner. 
 
Each lesson will have the same format: 
* Warm up: we will do a math warm up to help turn on our minds to get ready for the lesson. A math question(s) will be displayed on a google slide. Students can record their thinking on a worksheet. Students are encouraged to share their thinking with the class. Our warm ups are focused on Multiplication, Division, Subtraction, Addition (up to 5 digits) and Fractions.
* Lesson: I will teach a lesson to the class. We will work together using anchor charts, manipulatives and powerpoint presentations. Students will “Watch Me First”, explaining a concept and work through a problem. Then through guided practice, students will work through the material with me. Students will be provided with a worksheet to record their thinking as we engage in the lesson. I will be using digital manipulatives.
* Independent work: Students will work on assigned work with support from me. Students will be provided with a worksheet. We will go over the work together.  Students are encouraged to share their thinking with the class.
* Game or activity to support the concepts learned in class.
* Reflection: Students will reflect on their thinking and how they feel about the math topic.
* Extension: Students will be provided with an extension activity that he or she can complete on their own time.  Extension activities are a support for learning outside of class time.  These activities are not evaluated by me.

Lesson 1 - Decomposing Fractions
Objective: Learners will practice decomposing fractions with fraction bars. For example: how many ⅛ sections make up a given shade fraction.
Activity: My name in fractions.  Please have something to colour with on hand.
Manipulatives: Fraction Bars
 
Lesson 2 - Decomposing Mixed Numbers
Objective: Learners will practice decomposing mixed numbers with fraction bars. For example: decomposing 1 ⅔ with a visual fraction bar for support.
Manipulatives: Fraction Bars
Activity: Roll and Colour.  Please have a paper clip, pencil and something to colour with on hand
 
Lesson 3 - Practice Decomposing Fractions
Objective: Learners will practice decomposing fractions and mixed numbers.  For example: students will be asked several questions and if they agree or disagree and explain their thinking.
Manipulatives: Fraction Bars
Activity: Fraction Battleship
 
Lesson 4 - Adding Fractions
Objective: Learners will practice adding two fractions with the same denominators. For example: 6/15 + 4/15 using fraction strips to show thinking.
Manipulatives: Fraction Bars
Activity: Fraction Addition Tic Tac Toe
 
Lesson 5 - Adding Fractions Continued
Objective: Learners will continue to practice adding two fractions with the same denominators. For example: decomposing the fraction 8/6 in two different ways.
Manipulatives: Fraction Bars
Activity: Five In A Row
 
Lesson 6 - Subtracting Fractions
Objective: Learners will practice subtracting two fractions with the same denominators. For example: ⅚ - 3/6 using fraction strips to model thinking.
Manipulatives: Fraction Bars
Activity: Fraction Knock Out
 
Lesson 7 - Subtracting Fractions
Objective: Learners will continue practicing subtracting fractions.  For example: practicing subtracting fractions   15/18 - 7/18 and drawing a model to represent thinking.
Manipulatives: Fraction Bars
Activity: Fraction Tic Tac Toe
 
Lesson 8 - Word Problems
Objective: Learners will practice answering word problems that contain adding and subtracting fractions. For example: Kate is making cupcakes. She has ¾ of a cup of flour. The recipe needs ¼ cup of flour. After she has baked her cupcakes, how much flour does she have left?
Manipulatives: Fraction Bars
Activity: Know or Go - Students Vs. Teacher