Math 6A, Lesson 16, Spring 2017, 6/18/2017

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Math 6A, Lesson 16, Spring 2017, 6/18/2017

Final class of the year. Handed out final exam and report card for each student.

Congratulations to all my student a successful school year! Have a safe and wonderful summer!

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Math 6A, Lesson 15, Spring 2017, 6/11/2017

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Math 6A, Lesson 15, Spring 2017, 6/11/2017

Final Exam covers all the materials we have learned this semester: algebraic expression, solve equations, solve word problems using equations; rate and ratio; percentage and its applications; geometry.

Math 6A, Lesson 14, Spring 2017, 6/4/2017

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Math 6A, Lesson 14, Spring 2017, 6/4/2017

1. Classification of Triangles

  • The number of equal sides in the triangle: scalene triangle – no equal sides; isosceles triangle – to equal sides; equilateral triangles – three equal sides
  • The type of angles of the triangle: acute-angled triangle – all angles are acute; right-angled triangle – one of the angles is a right angle; obtuse-angled triangle – one of the angles is an obtuse angle
  • Is an equilateral triangle also an isosceles triangle?
  • Is it Possible to draw a triangle with more than one obtuse angle?
  • Can a scalene triangle be an acute-angled, right-angled or obtuse-angled triangle?
  • All the three angles in a scalene triangle are different size
  • The angles opposite the equal sides of an isosceles triangle are equal
  • All the three angles in an equilateral triangle are equal in size

2. Quadrilaterals

  • A closed plane figure with four straight sides joined by four vertices is called a quadrilateral
  • Vertices, diagonals
  • Properties of special quadrilaterals
  • Parallelogram: 2 pairs of parallel and equal opposite sides
  • Rectangle: all angles are right angles
  • Rhombus: all sides are equal, diagonals are perpendicular to each other
  • Square: all sides are equal, all angles are right angles
  • Trapezoid: 1 pair of parallel sides

3. Review for final exam

  • Redo all quiz problems
  • Review geometry materials we have learned so far

4. Home Work:

  • Page 52-53: 24, 25, 26, 27
  • Redo all quiz problems
  • Final Exam next week on 6/11/2017. Ms. Lija Li will be monitoring the exam.
  • Final class on 6/18/2017: review final exam, report card, and party. Please bring food/snacks to share.