AIDE Pre-Algebra Assignment Guide and Key Points
Chapter 9 "Equations from Geometry"
Lesson 1 "Perimeters of Polygons"
Turn to Pages 237 Look at the picture on the facing page and predict how it relates to Pre-algebra.
On Page 237 Read the short introduction to Chapter 9
On Page 237 Read the goals you will achieve this chapter.
Scan Pages 238-239; focus on the purple colored boxes, which contain the key vocabulary terms.
Read Through Pages 238-240 and work through the examples (take notes of important ideas)
Select 1 problem from Exercise A, 2 from B, 1 from C and complete them. (This is for practice you will be graded only on the quiz and tests)
(Compare your answers with these. If you missed any do three more from that section until you get them right.)
Do you know the vocabulary words? (See Key Points below for help)
Take the quiz on Lesson 1 "Perimeters of Polygons" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Review answers on the quiz and print it out. This will be very useful when you are studying for the test.
Lesson 1 Key Points
Vocabulary Terms
Geometry - the study of points, lines, angles, surfaces, and solids.
Polygon - a closed, many-sided figure that is made up of line segments.
Parallel - lines that are always the same distance apart; parallel lines never meet.
Quadrilateral - a polygon with four sides.
Rectangle - A four-sded polygon with four right angles and the opposite sides equal.
Rhombus - A four-sided polygon with two pairs of parallel and equal sides.
Section Review Answers
Did you learn these Objectives?
Can you identify selected regular polygons.
Are you able to find the perimeter of a regular polygon?
Lesson 2 "Perimeters of Regular Polygons"
Scan Page 242; focus on the purple colored boxes, which contain the key vocabulary terms.
Read Through Pages 242-243 and work through the example (take notes of important ideas)
Select 3 problems from Exercise A, 1 from B, 1 from C and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 2 "Perimeters of Regular Polygons" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 2 Key Points
regular polygon - a polygon in which each side and each angle has the same measure.
Are you able to find the perimeters of selected regular polygons?
Lesson 3 "Perimeters of Irregular Polygons"
Scan Pages 246-247; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Pages 246-247 and work through the 4 examples (take notes of important ideas)
Read the box outlined in green on Page 246.
Select 3 problems from Exercise A, 3 from B and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 3 "Perimeters of Irregular Polygons" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 3 Key Points
Irregular polygon - a polygon that is not uniform in shape or size.
Did you learn this Objective?
Are you able to find the perimeters of irregular polygons?
Lesson 4 "Areas of Rectangles and Squares"
Scan Page 250 for square boxes in the margins outlined in green. Read the info there.
Read Through Pages 250-252 and work through the 3 examples (take notes of important ideas)
Select 2 problems from Exercise A, 2 from B, 3 from C, and 1 from D and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 4 "Areas of Rectangles and Squares" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 4 Key Points
None
Can you find the area of a rectangle or square given the length of the side(s)?
Lesson 5 "Areas of Triangles"
Scan Page 254; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Pages 254-255 and work through the 2 examples (take notes of important ideas)
Select 2 problems from Exercise A, 1 from B, 1 from C and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 5 "Areas of Triangles" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 5 Key Points
Perpendicular - Two intersecting lines forming right angles.
Can you find the area of a triangle using A = 1/2bh?
Lesson 6 "Areas of Trapezoids and Parallelograms"
Scan Page 256; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Pages 256-257 and work through the 3 examples (take notes of important ideas)
Select 3 problems from Exercise A, 2 from B and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 6 "Areas of Trapezoids and Parallelograms" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 6 Key Points
Parallelogram - A four-sided polygon with two pairs of equal and parallel sides.
Trapezoid - A four-sided polygon with one pair of parallel sides and one pair of sides that are not parallel.
Did you learn this Objectives?
Are you able to find the area of a parallelogram using the formula A=bh?
Can you find the area of a trapezoid using the formula A = (b1 +b2)/2 * h?
Lesson 7 "Areas of Irregular Polygons"
Read Through Page 258 and work through the example (take notes of important ideas)
Select 3 problems from Exercise A and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Areas of Irregular Polygons" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 7 Key Points
Are you able to find areas of irregular polygons?
Lesson 8 "Volume"
Scan Page 260; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Scan Pages 260-262; Read the information found in the green box and the box shaped like a notebook.
Read Through Page 260-263 and work through the 4 examples (take notes of important ideas)
Take the quiz on Lesson 8 "Volume" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 8 Key Points
Prism - A solid figure with two parallel bases that are congruent polygons.
Rectangular prism - a solid figure with parallel faces and bases that are rectangles.
Pyramid - a solid figure with a base that is a polygon and triangular sides.
Square pyramid - A solid figure with a square base and triangular sides.
Are you able to use the formula V = e3 to find the volume of a cube?
Can you use the formula V = lwh to find the volume of a rectangular prism?
Can you use V = s2h/3 to find the volume of a square pyramid?
Lesson 9 "Circumferences and Areas of Circles"
Scan Page 264; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read the little box outlined in green on page 264.
Read Through Page 264-267 and work through the 4 examples (take notes of important ideas)
Select 2 problems from Exercise A, 2 from B, 2 from C and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 9 "Circumferences and Areas of Circles" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 9 Key Points
radius - Distance from the center of a circle to the edge of the circle.
Can you use the formula C = πd to find the circumference of a circle?
Are you able to use A = πr2 to find the area of a circle?
Lesson 10 "Volumes of Cylinders and Spheres"
Scan Page 268; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Page 268 and work through the 3 examples (take notes of important ideas)
Select 2 problems from Exercise A, 2 from B, 1 from C and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 10 "Volumes of Cylinders and Spheres" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 10 Key Points
Sphere - a round solid figure in which all points on the surface are at an equal distance from the center.
Cylinder - A solid figure with two equal circular bases that are parallel.
Are you able to use the appropriate formula to compute the volume of a cylinder or sphere.
Application of Pre-Algebra from Chapter 9
Look at the picture on the bottom of page 270 and guess how it relates to pre-algebra.
Read from the top of page 270 and complete the example.
Complete 2 problems from the exercises at the bottom. (This is for practice you will be graded only on the quiz and tests)
(Compare your answers with these. If you missed any do three more from that section until you get them all right.)
Take the quiz on Applying Chapter 9 , "Finding Room Measurements" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Application 1 Key Points
Are you able to use the formulas for area to determine how much of a floor can be covered by a carpet?
Preparing for Chapter 9 Test
Turn to Pages 271-273 and work through all even numbered problems, (2,4,6,8,...).
Check your answers with these. (This is for practice you will be graded only on the quiz and tests)
If you missed more than 4 problems work through all the odd numbered problems on pages 271-273.
Check your answers with those in the Chapter Review answers.
If you missed more than 4 problems this time contact your instructor for extra help: jmarley@yksd.com.
Take the Chapter 9 Test "Equations from Geometry"
Review the answers then print the results for your records.
Congratulations, if you completed all the items above, you finished Chapter 9 !!