A prime number has only two factors, one and itself.
What is a prime number?
100
11
What is the estimated sum of 5 8/12 + 4 10/12?
100
202.05
What is 320.18 - 118.13?
100
40
What is the common denominator for 100 3/20 and
12 9/40?
100
312
Mrs. Black , Leslee, and Ireland are packing books at the end of the year. Each Box holds 15 books and there are 4678 books. How many boxes will they need?
200
This number, 99, has more than two factors.
What is a composite number.
200
18
What is the estimated sum of 14/15 + 9 10/12?
200
448.39
What is 310.18 + 138.21?
200
2
What is the GCF for 56 and 22?
200
9
Mrs. Black was trying to pack her students. Three students can fit into a suitcase and there are 27 students. How many suitcases does she need to get to take us all to Hawaii?
300
307.10
What is 92.10 + 215.10 =
300
80
What is the LCM for 80 and 40?
300
50
If Mrs. Black has 789 kids and 16 can fit in a train, how many trains does she need?
400
108 is a composite number.
What is 108, a prime or composite number?
400
5.055
What is 35.555 - 30.500?
400
80
What is he GCF for 240 and 480?
500
2000 is a composite number because it's divisiable by 5 and 2, and 10.
What is 2000, composite or prime?
500
8.538
What is 8.910 - .372?
500
7
What is the GCF for 28 and 56?
500
14
Mrs. Black said we need to pack clothes. She said instead of three you can only fit two students and all their clothes. There are 27 students. Now how many suitcases does she need to go to Hawaii?