Questão 1
Questão
293,874 is divisible by 2.
Questão 2
Questão
Which of the following are factor pairs of 24?
Responda
-
1 and 24
-
2 and 12
-
3 and 4
-
6 and 4
-
8 and 3
-
6 and 8
Questão 3
Questão
Which of the following are a factor of 44?
Questão 4
Questão
Which of the following shows that 5 is a factor of 35?
Responda
-
35 = 30 + 5
-
35 = 5 * 7
-
35 = 40 - 5
Questão 5
Questão
Which of the following numbers is a multiple of 8?
Questão 6
Questão
Which of the following numbers are prime? 9, 11, 13, 15, 17, 19, 21
Questão 7
Questão
Which of the following numbers are composite? 2, 3, 4, 5, 6, 7, 8, 9
Questão 8
Questão
What is the least common multiple of 2 and 14
Questão 9
Questão
What is the greatest common factor of 140 and 110?
Questão 10
Questão
Sam and Carlos are bowling with plastic pins in Sam's living room.
Remarkably, Sam knocks down 8 pins on every bowl, and Carlos knocks down 9 pins on every bowl. At the end of the day, Sam and Carlos have knocked down the same total number of pins.
What is the least number of total pins that Sam and Carlos could have each knocked down?