Divisibility Rules
19,317 divisible by 2? Why?
No, doesn't end in even number
100 & 150
50
50 & 25
450
Evan is throwing a party. He has 80 pencils and 40 stickers that he will use to create gift bags for party guests. Assume that Evan wants to make as many gift bags as possible, sharing pencils and stickers equally among his friends. How many pencils would be in each gift bag?
GCF = 40
When is Ms.O's tutoring hours?
Days & AM/PM
Tuesday & Thursday
AM
26,483 divisible by 5? Why?
No, doesn't end in 5 / 0
40 & 70
10
25 & 80
400
Deion is throwing a party. He has 3 stickers and 15 fruit chews that he will use to create gift bags for party guests. Assume that Deion wants to make as many gift bags as possible, sharing stickers and fruit chews equally among his friends. How many fruit chews would be in each gift bag?
GCF = 3
What's Ms.O's favorite color
pink
11,202 divisible by 9?
No. the sum of its digits is not divisible by 9.
12 & 162
6
80 & 120
240
In a medical lab, different testing machinery needs to be cleaned on different schedules. A machine that checks for antibodies needs to be cleaned every 2 tests. A machine that checks for white blood cells needs to be cleaned every 21 tests. Assume every sample needs to be tested for both antibodies and white blood cells. What is the least number of tests before both machines have to be cleaned?
LCM 42
What video game is Ms.O currently playing?
Rust, Marvel Rivals, Counter Strike, Stardew Valley
22,936 divisible by 4? Why?
Yes. its last two digits are divisible by 4.
48 & 168
24
24 & 204
408
At a recent student council meeting, there were 12 sixth graders and 4 seventh graders. They wanted to form as many committees as possible where each committee has the same number of sixth graders and seventh graders. How many sixth graders would be in each committee?
GCF = 4
Who was one of Ms.O's top 3 artist on spotify wrap?
Chappell Roan
Sabrina Carpenter
Ariana Grande
99,914 divisible by 6? Why?
No. It is even, but is not divisible by 3.
(the sum of all digits is NOT divisible by 3.)
30 & 195
15
150 & 225
450
A local radio station is giving away two sets of concert tickets. One set is for a concert at a big arena, and the other set is for special backstage passes for a performance at a smaller venue. For ten minutes, every 9th caller will get tickets to the arena concert, and every 10th caller will get the backstage passes. Evelyn is the first caller to win both sets of tickets. What caller number is she?
LCM = 90
What is Ms.O's dog's name?
Luna