Fifth Grade Mathematics
By the
Fifth Grade Math Team
Fifth grade mathematics has turned to fractions, geometry, and, as always, problem solving.
In our study of fractions, children are learning the Greatest Common Factor, (GCF),
and the
Least Common Multiple, (LCM), and how not to confuse the two! Finding factors
and multiples of numbers requires good number sense and a command of basic
facts. This is th
e
last, great push for children to memorize the facts and be accurate in
calculations that involve, for example, simplifying fractions.
By the end of our unit of study in fractions children will be able to add and subtract fractions of like and unlike denominators, subtract mixed numbers with renaming, and simplify the answer. We will also give the students a firm conceptual and procedural base in multiplying and dividing fractions.
Our explorations in geometry and measurement include classifying regular polygons, angles and protractor skills and more.
Problem solving is integrated with the concepts we are teaching in geometry and fractions. Children are taught the steps to problem solving (word problems):
Understand
Plan
Solve
Look back
Along with these steps - that are used in all problem-solving scenarios - come strategies. There are algebraic strategies: making an equation, working backward (inverse operations), solving a simpler problem, and guess and check. Other strategies include making a chart or diagram, using logical thinking and finding patterns (which also involves algebra when you think about it!)
We’re all very proud of the work the children put into learning these concepts and skills, getting extra help when needed, and taking on challenges that are provided. To the extent that children put in effort at school and at home they are successful in math in fifth grade and prepared for math after fifth grade.