Math 205 Exam #3 Latest Update 2024-2025 Questions and 100% Verified Correct Answers Guaranteed A+
1/2 + 1/6
Draw picture of each. Then show how you can add them to get the same denominator. -
CORRRECT ANSWER: Change the 1/2 picture into thirds.
Each have is split into 3rds. Making it 3/6 Now you can add since they have the same denominator.
=4/6
2/3 x 1/2 OR 1/2 x 2/3
I have 1/2 bag of apples. I ate 2/3 of the bag of apples. How much did I eat? -
CORRRECT ANSWER: 2/3 x 1/2
- brownies are shared fairly with 7 people. How many brownies does each person get?
- CORRRECT ANSWER: Divide each brownie into 7 equal pieces.
Each receives 5/7
5/6
What does the numerator mean?
What does the denominator mean? - CORRRECT ANSWER: Numerator- I have 5
equal size pieces of 1/6 Denominator- If you take the whole and divide it into 6 equal size pieces you have 1/6, meaning each piece is size 1/6
Bill has 11 cookies and he wants to share all of the 11 cookies equally to his 3 friends.How many cookies does each friend get?
Solve - CORRRECT ANSWER: Each friend gets 3 and 2/3 cookies
Common Core Definition of Fraction - CORRRECT ANSWER: A fraction 1/b is the
quantity formed when a whole is partitioned into b equal parts. The fraction a/b is the quantity formed by a copies of size 1/b.
Direct Modeling Counting Strategy
Derived Facts - CORRRECT ANSWER: -Modeling both sides of the equation with
blocks or fingers, etc 1 / 2
-Representing one side of equation, when adding 7 and 4, you start with 7 in your head and put 4 fingers up saying, "8, 9, 10, 11" -Knowing facts with tens, ones, etc Solving 8+5. Know 5+5= 10 plus 3 more equals 13.
Dividend
Divisor - CORRRECT ANSWER: -Numerator
-Denominator
Draw a picture Luke has 2/3 oz of butter. He takes 4/5 of his butter & gives it to Courtney. How many
oz of butter did Courtney get? - CORRRECT ANSWER: 45 x 2/3
Explain with blocks 659/4
Solve to explain - CORRRECT ANSWER: You have 659 in blocks.
Distribute 100 each to each group (400) Now you have 259 remaining Exchange 200 for ten sticks.Distribute sticks out evenly to each four groups (each group gets 60) Now you have 1 ten stick remaining and 9 ones. Exchange the last ten stick for ones.Making 19 ones. Distribute out to each group.Each group ends with 164
I have 489 beads and I make necklaces with 18 beads for each necklace. How many necklaces can I make?Solve using long division.Describe what each number means
489/18 - CORRRECT ANSWER: 27 and 3 remains
18= amount of beads on each necklace 489= how many total beads I have
I have 489 beads. I want to make 18 necklaces. Assuming I use all my beads and I give each necklace the same number of beads. How many beads are on each necklace?
Solve using long division.Describe what each number means
489/19 - CORRRECT ANSWER: 27 and 3 remains
18= how many necklaces I want to make 489= how many total beads I have
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