Reteach and Skills Practice Workbook

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10–7 Name Reteach Triangles Date You can classify a triangle by the lengths of its sides or the measures of its angles. An equilateral triangle has three sides of equal length. An isosceles triangle has at least two sides of equal length. A scalene triangle has no sides of equal length. 4MG3.7 by length of sides Chapter Resources An acute triangle has three acute angles (less than 90°). An obtuse triangle has one obtuse angle (greater than 90° and less than 180°). by measure of angles A right triangle has one right angle (exactly 90°). Classify each triangle. Use isosceles, equilateral, or scalene and acute, right, or obtuse. 1. 2. Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. 5 yd 9 ft 9 ft 3 yd 9 ft 4 yd 3. 4 cm 12 cm 10 cm 4. Identify the term that does not belong with the other three. A. right B. obtuse C. scalene D. acute 5. What kind of triangle has three sides of equal length? F. equilateral G. scalene H. right J. acute 4. 5. 6. How many degrees does a straight line measure? Grade 4 189 Chapter 10
10–7 Name Skills Practice Date 4MG3.7 Triangles Classify each triangle. Use equilateral, isosceles, or scalene and right, acute, or obtuse. 1. 8 cm 10 cm 2. 4 in. 4 in. 6 cm 4 in. Define each term. 3. Scalene 4. Obtuse 5. Equilateral Tell if each statement is true or false. Explain why. 6. Equilateral triangles are triangles where all three sides have different lengths. 7. Some right triangles are also equilateral triangles. Problem Solving Solve. 8. Sue’s half sandwich is 5 inches on one side, 3 inches on another, and 4 on the third side. What kind of triangle is it? Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc. Grade 4 190 Chapter 10
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Copyright © Macmillan/McGraw-Hill,
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Table of Contents Copyright © Macm
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Chapter 14 Decimals 14-1 Tenths and
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1-1 Name Date Skills Practice Place
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1-2 Name Skills Practice Date 4NS1.
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1-3 Name Reteach (continued) Date 4
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1-4 Name Reteach Compare Whole Numb
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1-5 Name Reteach Order Whole Number
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1-6 Name Reteach Round Whole Number
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1-7 Name Reteach Problem-Solving In
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1-7 Name Skills Practice Problem-So
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2-1 Name Date Skills Practice 4AF1.
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2-4 Name Reteach Add Numbers Date T
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2-5 Name Reteach Subtract Numbers D
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3-1 Name Date Skills Practice Addit
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3-2 Name Skills Practice Date 4AF1.
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3-4 Name Reteach Algebra: Find a Ru
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3-5 Name Reteach Date 4MR2.3, 4NS3.
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3-5 Name Date Skills Practice Probl
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4-1 Name Skills Practice Date 4SDAP
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4-4 Name Reteach Line Plots Date A
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4-5 Name Reteach Bar and Double Bar
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4-6 Name Reteach Date 4MR2.3, 4NS2.
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4-6 Name Date Use any strategy show
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4-8 Name Skills Practice Analyze Gr
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5-1 Name Skills Practice Date 4MR2.
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5-2 Name Date Skills Practice Algeb
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5-3 Name Date Skills Practice Multi
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5-5 Name Date Reteach Multiply and
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5-6 Name Reteach Multiply with 11 a
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5-9 Name Skills Practice Date 4MR2.
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5-10 Name Skills Practice Date 4NS4
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6-1 Name Date Skills Practice Multi
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6-3 Name Reteach Order of Operation
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6-4 Name Reteach Solve Equations Me
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6-5 Name Reteach Choose a Strategy
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7-2 Name Date Reteach (continued) 4
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7-3 Name Date To estimate products,
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7-4 Name Reteach Multiply Two-Digit
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7-5 Name Date Reteach Problem-Solvi
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7-5 Name Problem-Solving Strategies
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Page 145 and 146: 8-3 Name Reteach (continued) Date 4
Page 148 and 149: 8-4 Name Reteach Multiply Two-Digit
Page 150 and 151: 8-5 Name Find 411 × 12. Estimate:
Page 152 and 153: 8-6 Name Reteach Problem-Solving In
Page 154: 8-6 Name Date Skills Practice Probl
Page 157 and 158: 8-7 Name Skills Practice Date 4NS3.
Page 161 and 162: 9-2 Name Date Skills Practice Divid
Page 163 and 164: 9-3 Name Reteach (Continued) Date 4
Page 166 and 167: 9-4 Name Reteach Date 4NS3.4 Estima
Page 168 and 169: 9-5 Name Reteach Date 4NS3.4, 4MR2.
Page 170 and 171: 9-6 Name Reteach Problem-Solving In
Page 172: 9-6 Name Skills Practice Problem-So
Page 181 and 182: 10-1 Name Skills Practice Date 4MG3
Page 185 and 186: 10-3 Name Reteach (continued) Probl
Page 188 and 189: 10-4 Name Reteach A line goes on fo
Page 190 and 191: 10-5 Name Date Reteach Angles Angle
Page 192 and 193: 10-6 Name Reteach Problem-Solving I
Page 194: 10-6 Name Skills Practice Problem-S
Page 209 and 210: 11-4 Name Reteach (continued) Date
Page 212 and 213: 11-5 Name Reteach Measurement: Area
Page 214 and 215: 11-6 Name Reteach Date Problem-Solv
Page 216: 11-6 Name Skills Practice Use any s
Page 219 and 220: 11-7 Name Date Skills Practice Meas
Page 221 and 222: 12-1 Name Skills Practice Date 4NS1
Page 225 and 226: 12-3 Name Skills Practice Graph Ord
Page 227 and 228: 12-4 Name Reteach (2) Problem-Solvi
Page 230 and 231: 12-5 Name Reteach Date 4AF1.5 Funct
Page 232 and 233: 12-6 Name Reteach Graph Functions D
Page 234 and 235: 12-7 Name Reteach Choose a Strategy
Page 236: 12-7 Name Skills Practice Problem-S
Page 239 and 240: 13-1 Name Date Skills Practice Part
Page 241 and 242: 13-2 Name Date Skills Practice Part
Page 243 and 244: 13-3 Name Reteach (continued) Date
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13-4 Name Reteach Equivalent Fracti
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13-5 Name Reteach Simplest Form Dat
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13-6 Name Reteach Choose a Strategy
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13-6 Name Skills Practice Problem-S
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13-9 Name Date Skills Practice Mixe
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14-2 Name Date Skills Practice Rela
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14-3 Name Date Reteach (continued)
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14-4 Name Reteach Date 4NS1.2, 4NS1
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14-5 Name Reteach Date Kyle bought
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14-5 Name Skills Practice Use any s
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14-7 Name Date Skills Practice Deci
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15-2 Name Date Skills Practice Esti
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15-3 Name Reteach (continued) Date
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15-4 Name Reteach Add Decimals You
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15-5 Name Reteach Problem-Solving I
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15-5 Name Date Skills Practice Prob
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16-1 Name Skills Practice Probabili
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16-2 Name Skills Practice Date 4SDA
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16-3 Name Reteach (continued) Probl
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16-4 Name Reteach Find Probability
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16-5 Name Reteach Problem-Solving I
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16-5 Name Skills Practice Date 4MR1
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16-6 Name Skills Practice Date 4SDA
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