k-12 fraction fun! jennifer bell, @jkjohnsonbell warm up: show 3/8 as many ways as you can
TRANSCRIPT
Goals and Expectations
Goals:
I can describe learning progressions for fractions.
I can use visual models for fractions and fraction operations (addition, subtraction, multiplication and division).
Expectations:
Active Engagement
Silence Technology
Fraction Standards
Kindergarten: Divide shapes into equal numbers of a smaller shape.
First Grade: Divide shapes into halves and fourths
Second Grade: Divide shapes into equal shares and name the fraction
Third Grade: Explore equivalent fractions and simple computations with unit fractions
Fourth Grade: Add and subtract fractions with like denominators
Fifth Grade: Add, subtract, multiply, and divide fractions and mixed numbers with like and unlike denominators
Fraction Standards
Mathematical Practices
MP.1 Make sense of problems and persevere in solving them.
MP.2 Reason abstractly and quantitatively.
MP.3 Construct viable arguments and critique the reasoning of others.
MP.4 Model with mathematics.
MP.5 Use appropriate tools strategically.
MP.6 Attend to precision.
MP.7 Look for and make use of structure.
MP.8 Look for and express regularity in repeated reasoning.
Research http://goo.gl/BQ9zJx
OR
http://www.cmu.edu/news/stories/archives/2012/june/june15_mathsuccess.html
Read the article and identify 4 As: Agree Argue Aha Aspire
First Grade
How many ways can you fold this shape into halves?
How many ways can you fold this shape into fourths?
Second Grade
Fold the rectangle into 2 equal shares.
Fold the rectangle into 3 equal shares.
Fold the rectangle into 4 equal shares.
Third Grade
Vocabulary:
Unit Fraction
Fraction Bars
Fractions on a Number Line
Fraction Strips
Equivalent Fractions
Fourth Grade
Draw a model for the problem. Then solve.
Stella ran ½ mile. Brian ran 7 times as far as Stella. How far did Brian run?
What next? Sixth grade: positive and negative
numbers, proportions
Seventh grade: positive and negative fractions
Eighth grade: Algebra problems with positive and negative fractions
High school: Algebra and Calculus problems with positive and negative fractions, including irrational fractions
Goals and ReflectionsGoals:
I can describe learning progressions for fractions.
I can use visual models for fractions and fraction operations (addition, subtraction, multiplication and division).
Reflection:
Tweet a fraction problem or learning progression idea from this session. #TMC15 #fractions
Jennifer Bell ([email protected])
Twitter: @jkjohnsonbell