Is 225,225 divisible by 11?
Yes!
What is the smallest positive integer divisible by both 2 and 9?
18
Name the first five prime numbers.
2, 3, 5, 7, 11
Name three numbers (from 2, 3, 4, 5, 6, 8, 9, 10, 11) that divide 24.
Answers: 2, 3, 4, 6, 8
Clearly explain the divisibility rule for 11.
"a number is said to be divisible by 11 if the difference between the sum of alternating digits is 0/divisible by 11."
What is the smallest three-digit whole number divisible by 2, 3, and 5?
120
Is 123 prime?
Name three numbers (from 2, 3, 4, 5, 6, 8, 9, 10, 11) that divide 5500.
Answers: 2, 4, 5, 10, 11
Which digit (0 - 9) could fill in the blank to make 51_93 divisible by 11?
2
Using only 1's and 2's as digits, what is the smallest four-digit positive integer you can create that is divisible by three?
1122
Name four of the divisibility rules for the numbers 2, 3, 4, 5, 6, 8, 9, 10, and 11.
Name two numbers (from 2, 3, 4, 5, 6, 8, 9, 10, 11) that divide 10935.
Answers: 3, 5, 9
What is the smallest positive integer greater than 50,000 divisible by 11?
50,006
What is the smallest four-digit positive integer divisible by both 8 and 9?
1008
How many positive numbers less than 360 are divisible by 8 and 9?
4: 72, 144, 216, 288
Name four numbers (from 2, 3, 4, 5, 6, 8, 9, 10, 11) that divide 2430.
Answers: 2, 3, 5, 6, 9, 10
What is the largest five-digit multiple of 11?
99990
What is the smallest 4-digit whole number divisible by 2, 3, 4, 5, 6, 8, 9, and 10?
1080
Using only the digits 1, 2, and 3, each at least once, what is the smallest positive integer that can be created that is divisible by 8 and 9?
3312
Name four numbers (from 2, 3, 4, 5, 6, 8, 9, 10, 11) that divide 586,971.
Answers: 3, 7, 9, 11