Bagging Snacks: Choose Common Multiples or Common Factors Focus Question: How can you decide when...
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Bagging Snacks: Choose Common Multiples or Common Factors Focus Question: How can you decide when finding common factors is useful in solving a problem?
Bagging Snacks: Choose Common Multiples or Common Factors Focus
Question: How can you decide when finding common factors is useful
in solving a problem? How can you find the GCF of two numbers?
Slide 2
Do Now Use the terms factor, divisor, multiple, product, and
divisible by to write as many statements as you can about the
number sentence 7 x 9 = 63
Slide 3
Seven students are going on a trip. Sarah is in charge of
buying snacks for the trip. Each person wants two health bars and a
juice drink. How many should she buy of each? Lets Put Our Thinking
Caps On
Slide 4
BAGGING SNACKS - PAGE 33 1)What are the possible numbers of
snack packs she can make so that the treats are shared equally?
Describe each possibility. 24 apples 36 bags of trail mix
Slide 5
Would we find the GCF or LCM to help us solve this problem? 24
24, 28, 72, 96 36 36, 72 LCM = 72
Slide 6
Would we find the GCF or LCM to help us solve this problem? 24
1, 2, 3, 4, 6, 8, 12, 24 36 1, 2, 3, 4, 6, 9, 12, 18, 36 Common
Factors = 1, 2, 3, 4, 6, and 12
Slide 7
24 A 36 T 12 A 18 T 12 A 18 T 8 A 12 T 8 A 12 T 8 A 12 T
Slide 8
6 A 9 T 6 A 9 T 6 A 9 T 6 A 9 T
Slide 9
4 A 6 T 5 A 6 T 4 A 6 T 4 A 6 T 4 A 6 T 4 A 6 T
Slide 10
2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T
2 A 3 T 2 A 3 T 2 A 3 T 2 A 3 T
Slide 11
2)What is the greatest number of snack packs Jane can make?
Explain.
Slide 12
3)Suppose Janes pet canary ruins six of the bags of trail mix.
Jane wants to share the apples and the remaining bags of trail mix
equally. What is the greatest number of snack packs Jane can
make?
Slide 13
4)Suppose Janes mother replaces the six bags of trail mix. She
also provides the group with 18 cans of juice. Each snack pack has
the same number of apples, bags of trail mix, and cans of juice.
What is the greatest number of snack packs Jane can make?
Explain.
Slide 14
5)The cast of a play had a party. The drama teacher served 20
cookies & 40 carrot sticks as refreshments. Each cast member
ate the same number of whole cookies and the same number of whole
carrot sticks. Nothing was left over. The drama teacher did not
eat. How many cast members might have been at the party?
Explain.
Slide 15
CLASSWORK Working in assigned groups, students will use chart
paper to complete their given task.
Slide 16
HOMEWORK Journal Entry #2 a)Describe how you can find the
common factors and the greatest common factor of two numbers.
b)What information does the greatest common factor of two numbers
provide in a problem.