Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...
Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ... Noteables Interactive Study Notebook (26491.0K) - McGraw-Hill ...
1–8 Algebra: EquationsMAIN IDEA• Solve equations byusing mental math andthe guess and checkstrategy.BUILD YOUR VOCABULARY (pages 2–3)An equation is a sentence that contains an equals sign, =.When you replace a variable with a value that results in asentence, you solve the equation.The value for theequation.is the solution of theEXAMPLE Find the Solution of an EquationIs 5, 6, or 7 the solution of the equation 4 + b = 10?Value of b 4 + b 10 Are Both Sides Equal?4 + = 10≠ 104 + = 10= 104 + = 10≠ 10The solution of 4 + b = 10 is .Check Your Progress Is 9, 10, or 11 the solution of theequation 24 - d = 13?Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.18 Math Connects, Course 1
1–8EXAMPLE Solve an Equation MentallySolve 16 = 4s mentally.16 = 4s THINK 16 equals 4 times what number?16 = 4 · You know that 16 = 4 · .16 = The solution is .Check Your ProgressSolve 5p = 30 mentally.EXAMPLECopyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.®ANIMALS On average, a cat lives 12 years. This is 13years fewer than the average life span of a horse. Solvethe equation h - 13 = 12 to find the average life spanof a horse.ORGANIZE ITOn the Lesson 1-8 tab,write an example ofan algebraic equationthat can be solved usingmental math and anexample of an algebraicequation that can besolved using guess andcheck.HOMEWORKASSIGNMENTPage(s):Exercises:Use the guess and check strategy.Try 24. Try 25.h - 13 = 12 h - 13 = 12- 13 12 - 13 12The solution is25 years.. So, the average life span of a horse isCheck Your Progress AGE Samantha is 9 years old. Thisis seven years younger than her sister Dinah’s age. Solve theequation d - 7 = 9 to find Dinah’s age.Math Connects, Course 1 19
- Page 3: ContentsCopyright © Glencoe/McGraw
- Page 7 and 8: 1-5 Algebra: Variables and Expressi
- Page 9 and 10: C H A P T E R1 Number Patterns and
- Page 11: Chapter 1 BUILD YOUR VOCABULARYVoca
- Page 14 and 15: 1-2 Prime FactorsMAIN IDEA• Find
- Page 16 and 17: 1-3Powers and ExponentsMAIN IDEA•
- Page 18 and 19: 1-4 Order of OperationsMAIN IDEA•
- Page 20 and 21: 1-4ORGANIZE ITOn the Lesson 1-4 tab
- Page 22 and 23: 1-5REMEMBER ITIn algebra, thesymbol
- Page 24 and 25: 1-6EXAMPLE Find the Rule for a Func
- Page 28 and 29: 1-9Algebra: Area FormulasMAIN IDEA
- Page 31 and 32: Chapter 1 BRINGING IT ALL TOGETHER1
- Page 33 and 34: C H A P T E R1ChecklistARE YOU READ
- Page 35 and 36: P T A E RH C2BUILD YOUR VOCABULARYT
- Page 37 and 38: 2-1 Problem-Solving Investigation:M
- Page 39 and 40: 2-2Step 1 Decide on a scale and . T
- Page 41 and 42: 2-2Check Your Progress SNOWFALL Mak
- Page 43 and 44: 2-3Check Your Progress INCOME The a
- Page 45 and 46: 2-4ORGANIZE ITUnder Lesson 2-4 in y
- Page 47 and 48: 2-5 Line PlotsEXAMPLE Display Data
- Page 49 and 50: 2-6 MeanMAIN IDEA• Find the mean
- Page 51 and 52: 2-7 Median, Mode, and RangeMAIN IDE
- Page 53 and 54: 2-7ORGANIZE ITUnder Lesson 2-7 in y
- Page 55 and 56: 2-8EXAMPLESSelect an appropriatetyp
- Page 57 and 58: 2-9Check Your ProgressGraph -5 on a
- Page 59 and 60: Chapter 2 BRINGING IT ALL TOGETHER2
- Page 61 and 62: Chapter 2 BRINGING IT ALL TOGETHERW
- Page 63 and 64: C H A P T E R3Operations with Decim
- Page 65 and 66: 3-1Representing DecimalsMAIN IDEA
- Page 67 and 68: 3-2Comparing and Ordering DecimalsM
- Page 69 and 70: 3-3 Rounding DecimalsEXAMPLE Round
- Page 71 and 72: 3-4 Estimating Sums and Differences
- Page 73 and 74: 3-4Read the ItemThe addends are clu
- Page 75 and 76: 3-5WRITE ITExplain in your ownwords
1–8 Algebra: EquationsMAIN IDEA• Solve equations byusing mental math andthe guess and checkstrategy.BUILD YOUR VOCABULARY (pages 2–3)An equation is a sentence that contains an equals sign, =.When you replace a variable with a value that results in asentence, you solve the equation.The value for theequation.is the solution of theEXAMPLE Find the Solution of an EquationIs 5, 6, or 7 the solution of the equation 4 + b = 10?Value of b 4 + b 10 Are Both Sides Equal?4 + = 10≠ 104 + = 10= 104 + = 10≠ 10The solution of 4 + b = 10 is .Check Your Progress Is 9, 10, or 11 the solution of theequation 24 - d = 13?Copyright © Glencoe/<strong>McGraw</strong>-<strong>Hill</strong>, a division of The <strong>McGraw</strong>-<strong>Hill</strong> Companies, Inc.18 Math Connects, Course 1
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