Unknown Numbers
____ x 2 = 14
7
What is the other multiplication equation:
5 x 2 = 10
2 x 5 = 10
Kelly has 12 apples to share. He wants to give each friend 4 apples. How many friends can receive apples?
3 friends can recieve apples
2 x 6 =
12
2
2, 4, 6, 8, 10, 12, 14, 16, 18, 20
____ x 7 = 14
2
What is the other multiplication equation:
6 x 7 = 42
7 x 6 = 42
Mrs. B will use 18 crayons for her 2 drawings. How many crayons will be used for each drawing?
18/2=9
9 crayons
3 x 3 =
9
3
3, 6, 9, 12, 15, 18, 21, 24, 27, 30
4 x ____ = 12
3
What is the other division equation:
20 / 5 = 4
20 / 4 = 5
3x2=6 and 2x3=6
They have the same number of books.
20 / 2 =
10
5
5, 10, 15, 20, 25, 30, 35, 40, 45, 50
12/ ___ = 3
4
What is the other division equation:
18 / 2 = 9
18 / 9 = 2
Jill has 21 stickers that she wants to share equally with 6 friends. How many slices can Jill and each friends get?
21/7=3
3 stickers for each friend and Jill
36 / 6 =
6
6
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
15/ 3 = ___
What are the missing multiplication and division equations:
16 / 2 = 8 and 8 x 2 = 16
2 x 8 = 16
16 / 8 = 2
There are 4 tables in the classroom. Mrs. Beers places an equal number of pencils on each table. How many pencils could she put on the tables?
Hint: Multiples of 4
4, 8, 12, 16, 20, 24,
7 x 6 =
42
7
7, 14, 21, 28, 35, 42, 49, 56, 63, 70