Multiplication Madness
10 x 8 = ?
80!
14 ÷ 2 = ?
14 ÷ 2 = 7
Is 18 prime or composite?
Composite!
What is 6 + 7?
M x 6 = 36. What is M?
M = 6
Rewrite this multiplication problem as a division problem: 42= 7 x 6
42 ÷ 7 = 6 or 42 ÷ 6= 7
Why do the creepy birds say "Multiply-di-high-di-high"?
Because multiples continue to go up foever. EX multiples of 3 are 3,6,9,12,15,18,21,24,etc.
Write an equation and solve the problem: Your 4th grade teachers (3 of us) brought in 7 doughtnuts each. 4th grade needs 3 times as many doughnuts as the total number that they brought in for everyone to have one. How many students are in the 4th grade?
(3 x 7) x 3 = 63 students
6 | 12 | x | 30
----------------- What is x?
1 | 2 | 4 | 5
24
Write an equation for the following situation: 45 markers are 9 times the 5 markers in my hand.
45= 9 x 5 or 45 ÷ 5 = 9 or 45 ÷ 9 = 5
List all the factors for 16
1,2,4,8,16
How many pushups did Mr. West do for our class on Friday?
15
3 x 4 = 12
Mr Overstreet went to the store to upgrade his wardrobe. He bought a pair of shoes for 25 dollars. His socks had holes in them, so he also bought a pair of socks. The shoes cost 5 times as much as the socks. How much did the socks cost?
25 ÷ 5 = 5
List 3 multiples of 7.
multiples include 7,14,21,28,70,700,7000,14000,70000000000
Mrs. Patterson had her students look for crickets for Boba. 5 kids found 4 crickets each, then 5 more students found 10 each. With the crickets everyone found, she feed Boba 7 crickets every day. How many days could she feed Boba before she runs out?
((5 x 4) + (5 x 10)) ÷ 7 = 10 days
(20 + 50) ÷ 7 = 10 days
70 ÷ 7 = 10 days
At the cross country meet, each runner ran 3 miles. Adams had 15 runners in 4th grade. How many total miles did the 4th graders run?
3 x 15 = 45
Write an equation for this problem. Use a letter for the unknown quantity: Mrs. Deo did 25 pushups. That is 5 times the amount of pushups that Mr. Overstreet did. How many pushups did Mr. Overstreet do?
5 x p = 25 or 25 ÷ 5 = 5
Name 3 prime numbers.
2,3,5,7,11,13,17,19,23,29,31,37, etc
True or false: Mrs. Deo, Mrs. Patterson, and Mr. Overstreet are the coolest teachers on earth.
True