# 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

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