practice
What is the unknown value?
2 x _____ = 10
5
(2 x 5 = 10)
What is the product?
11 x 9 = ?
99
(11 x 9 = 99)
What is the unknown value?
7 x ____ = 42
6
(7 x 6 = 42)
What is the product?
11 x 2 = ?
22
(11 x 2 = 22)
What is the unknown value?
___ x 8 = 56
7
(7 x 8 = 56)
What is the unknown value?
___ = 8 x 9
72
(8 x 9 = 72)
Find the quotient...
33 ÷ 3 = ?
11
(33 ÷ 3 = 11)
By looking at these Facts:
*A 5x18=90 *B 9x10=90 *C 9x90 = 810 *D 10x90 = 900
Which choice is related to 90 ÷ 10?
*B 9x10 = 90
By looking at these Facts:
*A 3x18 = 54 *B 2x27 = 54 *C 1x54 = 54 *D 6x9 = 54
Which choice is related to 54 ÷ 9?
*D 6x9 = 54
What is the quotient?
132 ÷ 11 = ?
12
(132 ÷ 11 = 12)
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
(9 x 10 = 90)
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 he need?
28 chairs
(4x7 = 28)
Drake walks his dog 2 times each day. It takes Drake 10 minutes to walk his dog.
How many minutes does Drake spend walking his dog each day?
20 minutes each day
(10 x 2 = 20)
Darrin buys glue sticks for school. Each pack contains 2 sticks.
If Darrin buys 12 packs, how many glue sticks will he have?
24 glue sticks
(12 x 2 = 24)
A greenhouse has 8 rows of plants. Each row has 10 plants.
How many plants are in the greenhouse? Write an equation and explain results
80 plants
(10 x 8 = 80) or (8 x 10 = 80)
Tracy has only nickels in her wallet. Can the value of nickels be 95 cents? Explain.
Yes.
nickels are worth 5 cents each. We can multiple the value of 5 up to 95
Toby has 5 pages of football cards. Each page contains 12 cards.
How many football cards does Toby have?
60 cards
(5 x 12 =60) or (12 x 5 = 60)
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?
4 bracelets each
(20 ÷ 5 = 4) (5 x 4 = 20)
Is this equation true? Explain
8 x 4 = 4+4+4+4+4+4+4
yes, the equation is true.
8x4= 32
4+4+4+4+4+4+4+4 = 32
Is the equation true or false?
66 ÷ 11 = 2 x 4
False
66 ÷ 11 = 6
2 x 4 = 8 6 = 8 is not true
Complete to make the equations true...
(3 x 9) + (3 x 9) = ____ + 25 + 4
25
(3 x 9) = 27
+ (3 x 9) = 27 = 54
25 + 4 = 29 + 25 = 54
What number makes the equation true?
y x 7 = 3 x 2 x 7
6
6 x 7 = 42
3 x 2 = 6
6 x 7 = 42
Complete to make the equation true...
12 x 4 = (12 ÷ ___) x (16 ÷ 2)
2
12 x 4 = 48
12÷2 = 6
16÷2 = 8
6 x 8 =48
What number makes the equation true?
y x 5 = 2 x 2 x 5
y = 4
4 x 5 = 20
2 x 2 = 4
4 x 5 = 20
Complete the equation to make it true...
45 - 10 - 5 = (___ ÷ 2) x (15 ÷ 3)
12
45-10-5 = 30
12÷2....6 15÷5....5
6 x 5 = 30