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# Learning Gym: Intermediate Math: Decimals

Intermediate Math: Decimals

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Click on the document below to print out the tracking sheet you will use to guide you through the Decimals unit.

Introduction       Concept/Skill Sample Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 4 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work What are Decimals? 0.78 is less than 1.  It is 7 tenths and 8 hundredths. Intro to Decimals 6-12 99-103 62-65

Problem Solving        Concept/Skill Sample YouTube Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 4 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work Word Problems with Adding Decimals If you buy an adult movie ticket for \$9.25 and a child movie ticket for \$5.50, how much will you spend all together? Adding Decimal Word Problems 17 74 Word Problems with Subtracting Decimals How much change will you get if you pay \$25 and the total was \$24.36? Word Problem-Decimal Subtraction 77 Subtracting a Decimal from a Whole Number Word Problems with Multiplying Decimals If you want to buy 50 ballons for a party and each one costs \$3.27, how much will the balloons cost? Word Problems-Multiplying Decimals 84-85 Complete Problems: 1-11, 13, 16 Multiplying Decimals-Solving Word Problems Multiplying Decimals-Calculating Weekly Wages Word Problems-Decimal Multiplication Multiplying Decimals Word Problem Word Problems with Dividing Decimals If you are going to pay \$153.24 a month until you pay off a bill of \$2,514.16, how many payments will you make altogether? Decimal Division-Word Problems 92-93 Dividing Decimals-Word Problem Dividing a Decimal by a Decimal Word Problem Word Problems with Decimals and Mixed Operations Ellen wants to buy the following items: 1.  A  DVD player for \$49.95 2. A DVD for \$19.95 3. Headphones for \$21.95    Does Ellen have enough money to buy all three items if she has \$90? Word Problems-Decimal Operations Practice Rational number word problem: school report 120-121 48-55: Exercises 1-7 Rational number word problem: cab Concept/Skill Sample YouTube Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 4 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work        Calculations       Concept/Skill Sample Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 4 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work Adding Decimals 2.34 + 74. 01 = 76.35 Adding Decimals Introduction to adding decimals: tenths 13-15, 20 110 73 27 Adding decimals with hundredths Adding decimals: 9.087 + 15.31 Adding decimals: 0.822 + 5.65 Adding three decimals Subtracting Decimals 13.21 - 7.58 = 5.63 Subtracting Decimals: 9.005 - 3.6 21-23 111 75 28 Subtracting decimals 39.1 - 0.794 Subtracting decimals 9.57 - 8.09 Subtracting decimals 10.1 - 3.93 Multiplying Decimals 3.29 x 4.1 = 13.489 Multiply Decimals Multiplying Decimals example 24-26 112-114 79-81 29 Multiply multi-digit decimals using the standard algorithm Multiplying decimals: place value Multiplying challenging decimals Multiplying and Dividing Decimals by 10, 100, 1000 0.23 x 1,000=230 Multiply decimals by a power of 10 Multiplying a decimal by a power of 10 27-28 41-42 115 119 82 90 30 34 Dividing a decimal by a power of 10 Dividing a decimal by a power of 10: pattern Dividing  Decimals by Whole Numbers Dividing a decimal by a whole number 30-32 116 86 31 Dividing Whole Numbers by Decimals Dividing a whole number by a decimal 33-36 89 32 Dividing Decimals by Decimals Dividing decimals with hundredths 37-40 117-118 87-88 33 Dividing decimals completely Long division with decimals Dividing by a multi-digit decimal Rounding off Decimals 0.7892 rounded to the nearest hundredth is 0.79 Worked example: rounding decimals to the nearest tenth 43-45 107 71-72 35 Rounding decimals on a number line Concept/Skill Sample Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 4 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work       Conversions       Concept/Skill Sample Learn Zillion Khan Academy Breakthrough to Math, Level 2, Book 5 Foundations Mathematics Number Power 2 Breakthrough to Math, Workbook WorkWise: Math at Work Converting Decimals to Fractions 0.6 = 3/5 Rewriting decimals as fractions: 0.08 15, Exercise 3B only 138, Exercise 4 only Rewriting decimals as fractions: 0.36 Decimal to simplified fraction Converting Fractions to Decimals 3/5 = 0.6 Converting fractions into decimals to the tenths place Fraction to decimal: 11/25 46-48 138, Exercise 5 only 68-69 36 Converting fractions into decimals to the hundredths place Worked example: Converting a fraction (7/8) Converting fractions and mixed numbers to decimals

Problem Solving Post-Test 1.  In the Breakthrough to Math, Level 2, Book 4, complete the Post-Test on page 49. You may NOT use a calculator for this test. 2.  Answers can be found on page 50 3. A passing score is 11 out of 13.