Multiplication Facts
4 x 3 = ?
4 x 3 = 12
7 x 10 = ?
7 x 10 = 70
27 is a prime number.
FALSE! 1 x 27 = 27 // 3 x 9 = 27
It has more than two factors.
Find all factor pairs of 36.
1 x 36... 2 x 18... 3 x 12... 4 x 9... 6 x 6
Bill is building with cubes with friends. The number of cubes never changes, but the number of players does. The cubes can be divided equally between 5 players. Could there be 50 cubes?
Yes, because 50 cubes split between 5 players would mean 10 cubes per player.
50 / 5 = 10
5 x 10 = 50
5 x 2 = ?
5 x 2 = 10
8 x 10 = ?
8 x 10 = 80
29 is a prime number.
TRUE! The only way to get a product of 29 is 1x29.
Find the first 5 multiples of 6.
6, 12, 18, 24, 30
The number of points Jessica scored in a game is less than 20, and is a multiple of 7. How many points could Jessica have scored?
7 or 14 points.
6 x 4 = ?
6 x 4 = 24
9 x 100 = ?
9 x 100 = 900
15 is a multiple of 3.
TRUE! 3 x 5 = 15. Skip counting by 3s: 3, 6, 9, 12, 15
Find all the factor pairs of 10.
1 x 10... 2 x 5
Meg earns $20 per hour. If she works for 5 hours, hour much money does she earn?
$20 x 5 hours = $100
5 x 8 = ?
5 x 8 = 40
24 x 10 = ?
24 x 10 = 240
16 is a factor of 8.
FALSE! 16 is a MULTIPLE of 8. 8 is a factor of 16. :)
Find the first 5 multiples of 10.
10, 20, 30, 40, 50
There are 30 students in a class. The teachers want to make 5 equal groups. How many students will be in each group?
30 students / 5 groups = 6 students per group
9 x 7 = ?
9 x 7 = 63
37 x 1,000 = ?
37 x 1,000 = 37,000
The only factor pair of 45 is 1 and 45.
FALSE! 1 x 45... 3 x 15... 5 x 9!
Find all the factor pairs of 22.
1 x 22... 2 x 11
A group of 4 friends sells lemonade. They earn $48 in one afternoon. If they share equally, how much money will the each get?
$48 / 4 friends = $12 per friend