AIDE Pre-Algebra Assignment Guide and Key Points
Chapter 2 "Using Decimals"
Lesson 1 "Place Value"
Turn to Pages 31 Look at the picture on the facing page and predict how it relates to Pre-algebra.
On Page 31 Read the short introduction to Chapter 2
On Page 31 Read the goals you will achieve this chapter.
Scan Page 32; focus on the purple colored boxes, which contain the key vocabulary terms.
Scan Pages 32-33 for square boxes in the margins outlined in green. Read the info there.
Read Through Page 32 and work through the two examples (take notes of important ideas)
Select 9 problems from Exercise A, B, C; 3 from each section? (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 "Place Value" (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
Decimal - a number that has a decimal point in it.
Digit - Any one of the symbols 0,1, 2, 3, 4, 5, 6, 7, 9
Decimal point - A period that separates digits representing numbers that are one or more from digits representing numbers that are less than one.
Place value - Worth of a digit based on its position in a numeral.
Section Review Answers
Did you learn these Objectives?
Can you identify tenths, hundredths, thousandths, the-thousandths, and millionths places?
Are you able to name the values of various decimal places?
Lesson 2 "Comparing and Rounding Decimals"
Scan Page 34 read the box outlined in green and read the information there.
Read Through Page 34 and work through the 3 examples (take notes of important ideas)
Select 10 problems from Exercises A &B; 5 from each section? (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 Lesson 2 "Comparing and Rounding Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 2 Key Points
none
Are you able to identify one decimal as greater than or less than another?
Can you round decimals to the nearest tenth, hundredth, and thousandth?
Lesson 3 "Adding and Subtracting Decimals"
Scan Page 36; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Page 36 and work through the 2 examples (take notes of important ideas)
Take the quiz on Lesson 3 "Adding and Subtracting Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 3 Key Points
Perimeter - the distance around the outside of a shape.
Formula - a combination of symbols used to state a rule.
Did you learn this Objective?
Are you able to add and subtract decimals?
Can you find the perimeter of a triangle?
Lesson 4 "Multiplying Decimals by Powers of 10"
Scan Page 38; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Scan Page 38 for square boxes in the margins outlined in green. Read the info there.
Read Through Page 38 and work through the 2 examples (take notes of important ideas)
Select 5 problems from Exercise A and 3 problems from B 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 more from that section until you get them all right.)
Take the quiz on Lesson 4 "Multiplying Decimals by Powers of 10" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 4 Key Points
Power of ten - a product of multiplying 10 by itself one or more times.
Exponent - number that tells the ties another number is a factor.
Can you identify the product t of a given power of 10?
Are you able to multiply decimal numbers by powers of 10?
Lesson 5 "Multiplying Decimals"
Scan Page 40; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Page 14and work through the 2 examples (take notes of important ideas)
Select 8 problems from Exercise A, B, C and D; 2 from each section and complete 2 problems from Exercise E. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 5 "Multiplying Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 5 Key Points
Circumference - distance around a circle.
Pi (π) - Ratio of the circumference of a circle to its diameter.
Diameter - Distance across a circle through the center.
Can you introduce the formula for circumference of a circle?
Are you able to calculate the product when one or both factors are decimals?
Lesson 6 "Dividing Decimals by Powers of 10"
Scan Page 43 for square boxes at the bottom of the page outlined in green. Read the info there.
Read Through Page 42 and work through the 3 examples (take notes of important ideas)
Select 10 problems from Exercise A, B; 5 from each section? (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 6 "Dividing Decimals by Powers of 10" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 6 Key Points
Did you learn this Objectives?
Are you able to divide decimals by powers of 10 by moving the decimal left?
Lesson 7 "Dividing Decimals"
Scan Page 44 for square boxes in the margins outlined in green. Read the info there.
Read Through Page 44 and work through the 2 examples (take notes of important ideas)
Take the quiz on Lesson 7 "Dividing Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 7 Key Points
None
Are you able to divide decimals?
Can you transform decimal divisors into whole numbers before dividing?
Lesson 8 "Decimals and Fractions"
Scan Page 46; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Scan Page 47; Read the information found in the green box and the box shaped like a notebook.
Read Through Page 46 and work through the 3 examples (take notes of important ideas)
Take the quiz on Lesson 8 "Decimals and Fractions" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 8 Key Points
Fraction - Part of a whole number such as 1/2.
Denominator - the number below the fraction bar.
Numerator - the number above the fraction bar.
Simplify - state as a fraction whose only common factor of the numerator and the denominator is 1.
Equivalent fraction - a fraction that has the same value as another fraction.
Are you able to convert decimals to fractions?
Can you convert fractions to decimals?
Can you simplify fractions and create equivalent fractions?
Lesson 9 "Repeating Decimals"
Scan Page 48; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read the little green box in the margin on page 49.
Read Through Page 48 and work through the example (take notes of important ideas)
Select 6 problems from Exercises A, B 3 from each and complete them. (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 9 "Repeating Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 9 Key Points
Repeating decimals - a decimal in which one or more digits repeats.
Can you convert fractions into repeating decimals?
Are you able to convert degrees celsius to degrees Fahrenheit and vice versa?
Lesson 10 "Renaming Percents to Decimals"
Scan Page 50; focus on and read the purple colored boxes, which contain the key vocabulary terms.
Read Through Page 50 and work through the 2 examples (take notes of important ideas)
Select 6 problems from Exercise A, B, C; 2 from each section? (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 10 "Renaming Percents to Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 10 Key Points
Interest - The amount of money paid or received for the use of money.
Percent - part per one hundred; hundredth.
Are you able to convert percents to decimals?
Can you calculate simple interest?
Lesson 11 "Evaluating Expressions with Decimals"
Scan Page 52; read the little green box in the margin.
Read Through Page 52 and work through the 3 examples (take notes of important ideas)
Select 10 problems from Exercised A & B 5 from each section? (This is for practice you will be graded only on the quiz and tests)
Take the quiz on Lesson 11, "Evaluating Expressions with Decimals" (You may use the book, notes and Key Points for help on the quizzes. NOT ON TESTS!)
Lesson 11 Key Points
Are you able to substitute numbers for variables in expressions and perform the indicated arithmetic operation.
Can you evaluate whether the resulting statement is true or false?
Application of Algebra from Chapter 2
Look at the picture on the bottom of page 54 and guess what it has to do with Converting Measurements.
Read from the top of page 54 and complete Examples 1, 2, 3.(This is for practice you will be graded only on the quiz and tests)
Take the quiz on Applying Chapter 2, "Converting 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 calculate the number of meters in a given number of feet, number of kilograms in a given number of pounds,a nd number of centimeters in a given number of inches.
Preparing for Chapter 2 Test
Turn to Pages 55-57 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 55-57.
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 2 Test "Using Decimals"
Review the answers then print the results for your records.
Congratulations if you completed all the items above you finished Chapter 2!!