B. Yes, because 2• 9 = 18; and 2 • 12 = 24; and 18 + 24 = 42
C. No, because 2• 9 = 18; and 18 + 12 = 30
D. No, because 2• 9 = 18; and 9 • 12 = 108; and 18 + 108 = 126
Which number is both a multiple of 6 and a factor of 60?
A. 10
B. 12
C. 15
D. 20
Which of the following choices is equal to 22 + 36 ?
A. 2(11 + 16)
B. 2(11 + 18)
C. 3(7 + 12)
D. 3(22 + 12)
6(7+2) = (6 x 7) + (6 x 2) Is it true or false?
True
False
42 + 12 = 6(7x2) Is it true or false?
True
False
According to the correct order of operations, what should be done first in any mathematical equation?
a. Addition
b. Division
c. Multiplication
d. Whatever's inside parentheses
7(5 + 4) =
a. (7 x 5) + (7 x 4)
b. 7+5+7+4
c. 63
d. 35+28
e. 7-2(4 x 5)
How can you express 11 x 7 using the distributive property?
a. 7 x 11
b. (11 x 1) + (3 x 4)
c. 11 x (3 x 4)
d. 11(3) + 11(4)
There are 18 girls and 24 boys who want to participate in a Trivia Challenge. If each team must have the same number of girls and boys, what is the greatest number of teams that can enter? How many boys and girls will be on each team?
Choose the correct answer statement below.
A. There will be 6 teams, each having 3 girls and 4 boys.
B. There will be 9 teams, each having 3 girls and 6 boys.
C. There will be 3 teams, each having 3 girls and 3 boys.
D. There will be 5 teams, each having 6 girls and 4 boys.