Number Sense
Find 15% of 240.
36
What is the greatest common factor of 48 and 72?
24
What day of the week does MAO have its monthly meetings?
On the third Friday of the Month.
I am an odd number. Take away one letter and I become even. What number am I?
Seven
You're running a race and pass the person in 2nd place. What place are you in now?
2nd place
48 x 52
2,496
How many positive factors does 72 have?
12
How long do you need to be in MAO for cord eligibility?
2 years
If you have 3 apples and you take away 2, how many apples do YOU have?
2
Two fathers and two sons go fishing. They catch exactly 3 fish, and each person gets one fish. How is this possible?
There are 3 people: the grandfather, father, and son.
What is the largest prime divisor of 187?
17
What is the smallest integer divisible by 6, 8, and 15?
120
What does MAO stand for?
Mu Alpha Theta
Using addition, how can you add eight 8s to get 1,000.
888 + 88 + 8 + 8 + 8 = 1,000
You have three boxes which are labeled: prime numbers, even numbers, and prime & even numbers but every label is wrong. If you had to choose one box to figure out all three correct labels which one should you choose?
The box labeled "Prime and Even Numbers"
(1991 x 9 + 81) ÷ 3
6000
Smallest positive number that is divisible by 8, 12, and 18?
72
Who is our club sponsor?
Mrs. Bartlett!!
A two-digit number has digits, the new number is 27 greater than the original. What is the original number?
36
3 + 6 = 9
63 - 36 =27
27 + 9 = 36
There are 10 socks in a drawer: 5 black and 5 white. You're choosing socks in complete darkness. What is the minimum number you must take to guarantee you have a matching pair?
3
(sqrt 7)(sqrt 448)
56
A number is divisible by 6 and 8, but NOT 5. What is the smallest three digit number that could be the number?
144
How many points does each member need to avoid probation?
20
A clock takes 5 seconds to strike 6 times. At the same rate, how long will it take to strike 12 times?
11 seconds
There are 5 gaps between 6 strikes, so each gap takes 1 second. There are 11 gaps between 12 strikes.
What is the next number?
1, 11, 21, 1211, 111221, _?
312211