Divisibility
What is the divisibility rule for 2?
It must end in a even number.
What is the GCF of 12 and 16?
GCF is 4.
Find the LCM of 4 and 36
LCM= 36
A teacher has 24 pencils and 36 erasers. She wants to make the greatest possible number of identical supply packs, using all the items with none left over.
12 packs
In the number 4,582, what is the value of the digit 5?
500
93 is divisible by what numbers?
3
What is the GCF of 35 and 28?
GCF is 7.
What is the LCM of 6 and 8?
LMC is 24
Two school bells ring at different intervals. One rings every 8 minutes and the other every 12 minutes. If they ring together at 9:00 a.m., how many minutes will pass before they ring together again?
24 minutes
Write in numbers the following words:
Three million, four hundred and seventy thousand, eight hundred and one
3,470,801
What is the divisibility rule for 6?
Must be divisible by 2 AND 3
What is the GCF of 18 and 24?
GCF is 6
What is the LCM of 4 and 12?
LCM is 12
A sports coach has 72 tennis balls, 96 cones, and 120 bibs. She wants to divide them into the greatest possible number of identical training sets, with no equipment left over.
How many training sets can she make, and how many of each item will be in each set?
24 training sets
What digit is in the ten-thousands place in 684,219?
8
268 divisible by what numbers?
yes, by 2, 4
What is the GCF of 16 and 32
GCF is 16
What is the LCM of 7 and 8?
LMC is 56
Three buses leave a station at regular intervals. Bus A leaves every 18 minutes, Bus B every 24 minutes, and Bus C every 30 minutes. If all three leave together at 8:00 a.m., what time will they next leave together?
6 hours, so they next leave together at 2:00 p.m.
In the number 5,307,842, what is the value of the digit 3? What is the value of the digit 7?
3 = 300,000
7 = 7,000
list three numbers that 324 is divisible by
yes by, 2,3,4,6,9
What is the GCF of 24 and 64?
8
What is the LCM of 9 and 7?
LCM is 63
A pirate captain has 60 gold coins, 84 silver coins, and 108 gemstones. He wants to divide the treasure into the greatest possible number of identical treasure chests, with nothing left over.
12 identical treasure chests
A number has:
All other digits are 0.
What is the number?
6,308,502