Mrs. Evans has 13 pictures to hang on a wall. Is there any way she can arrange the pictures in rows other than 1 x 13 or 13 x 1, so that the same number of pictures is in each row? Tell whether 13 is a composite or prime number. Explain.
No, 13 is a prime number. The only factors are 1 and 13.
200
4: 1,2,4
10: 1,2,5,10
2 is the highest number that both 4 and 10 have. What do we call that?
Greatest Common Factor
200
Find the factor pairs of 30
1, 2, 3, 5, 6, 10, 15, 30
200
9
Composite
1, 3, 9
200
Compare
3/4 ___ 2/6
3/4 > 2/6
200
There are 2/8 cup of peanuts and 1/4 cup of walnuts. Is there a greater amount of peanuts or walnuts? Explain.
The amounts are the same: 2/8 = 1/4.
300
What is the name of the top number of a fraction?
What is the name of the bottom number of a fraction?
Numerator
and
Denominator
300
Find the factor pairs of 23
1, 23
300
17
Prime
1, 17
300
Put in simplest form
8/16
1/2
300
Mia has two whole bananas and one-fifth of a second banana. Write a mixed number that represents the amount of bananas she has.
2 1/5 bananas
400
The fraction 1/2 can be used to compare to other fractions. What is this type of fraction called?
Benchmark Fraction
400
Find the factor pairs of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
400
62
Composite
1, 2, 31, 62
400
Compare
4/10 ___ 40/100
4/10 = 40/100
400
Evan has 2/4 of an apple. Kaitlyn has 2/5 of the same apple. Who has a greater part of the apple?
Evan. 2/4 > 2/5
500
6: 6, 12, 18, 24, 30
8: 8, 16, 24, 32, 40
The smallest number that 6 and 8 both have is 24. What do we call this?
Least Common Multiple
500
Find the factor pairs of 52
1, 2, 4, 13, 26, 52
500
0
Neither
500
Compare
5/8 ___ 1/3
5/8 > 1/3
500
Brooke gave her dog two whole dog biscuits and a half of a third dog biscuit.
Write a mixed number and an improper fraction to represent how many biscuits Brooke's dog ate.