Multiplication Facts
812,405,321 x 0 =
24 x 12 =
288
Name 2 factors of 12
List the first three multiples of 3
3, 6, 9
Bryce played the piano for 30 minutes every day for 2 weeks. How many minutes did he play in total over the last 2 weeks?
Bryce played for 420 minutes in total.
9 x 6
54
36 x 47 =
1,692
What are all of the factors of 36
1, 2, 3, 4, 6, 9 12, 18, 36
List the multiples of 12 until you get to the first three-digit number.
12, 24, 36, 48, 60, 72, 84, 96, 108
Ethan said that his 64 marbles are 7 times as many marbles as Mr. Polans who has only 8 marbles. Using what you know about multiples, is Ethan right? Why or why not?
Ethan is not right because he actually has 8 times as many marbles as Mr. Polans' 8 marbles.
3 x 9 =
27
516 x 32 =
16,512
What number has more factors: 30? or 45?
Please list out all of the factors to get credit for your answer.
30 (1, 2, 3, 5, 6, 10, 15, and 30) has more factors than 45 (1, 3, 5, 9, 15, and 45)
What are at least 2 common multiples of 4 and 5?
20 and 40 (are the first 2 answers, any others count as well)
Nico helped the teachers find a great deal to order 36 packs of 219 pencils. How many pencils did Nico help the teachers order? For this problem estimate to see if your answer is reasonable.
7,884 pencils in total. If you round and multiply the estimation will not be reasonable, because it will be off by almost 1,000.
7 x 6 =
42
873 x 57 =
49,761
Is 57 a Prime or Composite number?
Composite!
What is the first common multiple between 4 and 18?
36
Diego was playing a game on his iPad. His job was to sort numbers into prime and composite numbers to earn points. He had seven numbers left to sort. Where should Diego put the following numbers: 13, 25, 11, 53, 89, 56, and 2 in order to win his iPad game?
Diego should sort 13, 11, 53, 89, and 2 as prime numbers and sort 25 and 56 as composite numbers to win his game.
8 x 7
56
949 x 889 =
843,661
What are the common factors of 54 and 72?
1, 2, 3, 6, 9, 18
Is 72 a multiple of 7?
No, because the closest multiples of 7 are 70 and 77. Or if you divide 72 by 7, you'll get 10 remainder 2.
Henry wants to take a trip around the world. He plans to visit 28 countries. Each country he visits, he plans on spending 112 hours in. How many hours will Henry spend in total visiting each country.
Henry will spend 3,136 hours in total in all 28 countries.