Unknown Value
2 x ____ = 10
5
12 x 9 =
108
11 x 8 =
88 ➗ 8 = 11
88 ➗ 11 = 8
8 x 11 = 88
11 x 8 = 88
Is the equation T or F?
66 ➗ 11 = 2 x 3
T
A teacher has 9 bookshelves in the classroom. She wants to place 10 books on each shelf. How many books does the teacher need?
90 books
72
11 x 7 =
77
6 x 7 =
6 x 7 = 42
7 x 6 = 42
42 ➗ 6 = 7
42 ➗ 7 = 6
Is the equation T or F?
8 x 5 = 5 + 5 + 5 + 5 + 5 + 5 + 5
F
Louis is setting up chairs for a class play. He needs 4 rows of chairs, and each row will have 7 chairs. How many chairs does Louis need?
28 chairs
7 x ______ = 42
6
22
132 ➗ 12 =
12 x 11 = 132
11 x 12 = 132
132 ➗ 12 = 11
132 ➗ 11 = 12
Is the equation T or F?
6 x 12 = (6 x 10) + (6 x 2)
T
Toby has 5 pages of football cards. Each page contains 12 cards. How many football cards does Toby have? Write an equation.
12 x 5 = 60
7
8 x 9 =
72
54 ➗ 9 =
9 x 6 = 54
6 x 9 = 54
54 ➗ 9 = 6
54 ➗ 6 = 9
4 x 2 = 3 + 2 + a
3
Martha made 20 bracelets for 5 of her friends. If she divides the bracelets evenly with her friends, how many bracelets will each friend receive? Write an equation.
20 ➗ 5 = 4
2 x ____ = 22
11
12 x 7 =
84
90 ➗ 10 =
9 x 10 = 90
10 x 9 = 90
90 ➗ 10 = 9
90 ➗ 9 = 10
y x 5 = 2 x 2 x 5
4
Tracy has only nickels in her wallet. Can the value of the nickels be 95 cents? Explain.
Yes, because 5 can go into 95 evenly.