Skill 1.4

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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

    1. 1. 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
    2. 2. 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
    3. 3. 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
    4. 4. Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min
    5. 5. Morning Meeting
    6. 6. Morning Meeting• Take Attendance
    7. 7. Morning Meeting• Take Attendance• Shout Outs
    8. 8. Morning Meeting• Take Attendance• Shout Outs• Count our rings
    9. 9. Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min
    10. 10. Homework Check
    11. 11. Agenda• 1st Block • Do Now - 5 min • Morning Meeting - 5 minutes • Homework Check - 10 minutes • Intro to new material - 5 min
    12. 12. 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?
    13. 13. 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
    14. 14. 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
    15. 15. 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
    16. 16. 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
    17. 17. 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?
    18. 18. 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
    19. 19. 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
    20. 20. 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
    21. 21. 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
    22. 22. Fractions - Dividing 1 3 2 ÷ 4 = =
    23. 23. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 = 2 3
    24. 24. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
    25. 25. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
    26. 26. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 × = 2 3
    27. 27. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 4 × = 2 3 6
    28. 28. Fractions - Dividing 1 3 2 ÷ 4 = 1 4 4 2 × = 2 3 6 3
    29. 29. Independent Work Time
    30. 30. Independent Work Time

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