1. Problem of the Day
• Yin has 25 tickets, Bobby has 12
tickets, and Mary has 8 tickets. How
many tickets should Yin give to Bobby
and to Mary so that they will all have
the same number of tickets?
2. Lesson 21 Written Practice
1) 1/3
3) A 19) 5 1/3
5) a. 3 4/7 b. 1/4 c. 3/25 21) 2
7) a. 2x5x5 b. 2x2x3x5 23) a. 3x3x5x5 b. 15 = 3x5
c. 2x2x3x5x5 25) angle A = 45〫
9) a. 10 b. 9 c. 2 d. identity 27) a. segment CB b. segment AB
11) 9 square inches c. segments MC and MB d. angle
13) 46 in. ABC
15) 2/5 29) a. = b. comm. prop of addition
17) 1250
4. Problems About a
Fraction of a Group
• Why are diagrams important for learning
mathematics?
• Draw a diagram for this statement: Two
fifths of the 30 students in the class are boys.
• How many boys are in the class?
• How many girls are in the class?
• How can a percent be expressed as a
fraction?
5. Practice/Homework
• Diagram the statement. Then answer the
questions. Three fourths of the 60 marbles in
the bag were red. How many marbles were
red? How many marbles were not red?
• Diagram the statement. Then answer the
questions. Sixty percent of the 20 tomatoes
were green. What fraction of the tomatoes
were not green? How many tomatoes were
green?
• Homework: page 160 (2-30 evens)
