Skill 1.4
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Skill 1.4

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Skill 1.4 Multiplying and Dividing Fractions

Skill 1.4 Multiplying and Dividing Fractions

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  • you are baking a cake for 2 people and the recipe you have makes a cake for 4 people. \nWhat are we going to do to the ingredients to make the cake the right size? (Half them)\nExplain that multiplying by 1/2 gives us half of the cake. \n\nNow lets say the cake calls for 3/4 a cup of sugar. How are we going to figure out how much sugar we need to put in? (Multiply 1/2 x 3/4)\n\n
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Skill 1.4 Skill 1.4 Presentation Transcript

  • Skill 1.4 - Multiply and Divide Fractions 1/19/2011 Do Now 4 2 1) + = 7 7 You only have 3 minutes 1 5 so get started 2) + = 6 2€ 3) 1 3 − = 2 4 Transition
  • Skill 1.4 - Multiply and Divide Fractions 1/19/2011 Do Now 4 2 1) + = 7 7 You only have 3 minutes 1 5 so get started 2) + = 6 2€ 3) 1 3 − = 2 4 Transition
  • Skill 1.4 - Multiply and Divide Fractions 1/19/2011 Do Now 4 2 1) + = 7 7 You only have 3 minutes 1 5 so get started 2) + = 6 2€ 3) 1 3 − = 2 4 View slide
  • Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min View slide
  • Morning Meeting
  • Morning Meeting• Take Attendance
  • Morning Meeting• Take Attendance• Shout Outs
  • Morning Meeting• Take Attendance• Shout Outs• Count our rings
  • Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min
  • Homework Check
  • Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min
  • Lets say the cake calls for 3/4 a cup of sugar• How are we going to figure out how much sugar we need to put in?
  • Lets say the cake calls for 3/4 a cup of sugar• How are we going to figure out how much sugar we need to put in? 3 1 x = 4 2
  • Lets say the cake calls for 3/4 a cup of sugar• How are we going to figure out how much sugar we need to put in? 3 1 x = 4 2
  • Lets say the cake calls for 3/4 a cup of sugar• How are we going to figure out how much sugar we need to put in? 3 1 x = 4 2
  • Lets say the cake calls for 3/4 a cup of sugar• How are we going to figure out how much sugar we need to put in? 3 1 3 x = 4 2 8
  • Lets say the cake calls for 5/6 a cup of water• How are we going to figure out how much water we need to put in?
  • Lets say the cake calls for 5/6 a cup of water• How are we going to figure out how much water we need to put in? 5 1 x = 6 2
  • Lets say the cake calls for 5/6 a cup of water• How are we going to figure out how much water we need to put in? 5 1 x = 6 2
  • Lets say the cake calls for 5/6 a cup of water• How are we going to figure out how much water we need to put in? 5 1 x = 6 2
  • Lets say the cake calls for 5/6 a cup of water• How are we going to figure out how much water we need to put in? 5 1 5 x = 6 2 12
  • Fractions - Dividing 1 3 2 ÷ 4 = =
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 = 2 3
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 4 × = 2 3 6
  • Fractions - Dividing 1 3 2 ÷ 4 = 1 4 4 2 × = 2 3 6 3
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  • Independent Work Time