Vocabulary
The two numbers multiplied together are called:
4 x 2 = 8 (4 & 2 are _________)
Factors
Anything multiplied by 0 will equal ______
zero!
Jasmine has some shells. She sorts all the shells into groups of 2. How many total shells could she have?
A. 5
B. 6
C. 12
D. 18
B. , C. , D. Because all the products are even so they are all possible products of 2.
Solve for the unknown:
0 x 4 = ___
___ x 5 = 45
10 x ___ = 70
___ x 13 = 0
0 x 4 = 0
9 x 5 - 45
10 x 7 = 70
0 x 13 = 0
Angela uses tiles to make 2 groups with 4 tiles in each group. How many tiles does Angela use?
She uses 8 tiles total.
Groups that have the same number of objects are referred to as ______ _______.
Equal Groups
The product of any number and 1 will equal....
Itself
Ex: 3 x 1 = 3
John found 4 dimes. How much money does John have?
40 cents
4 x 10 = 40
2 x ___ = 18
___ x 5 = 35
70 / ___ = 10
8 x ___ = 0
___ x 4 = 4
2 x 9 = 18
7 x 5 = 35
70 / 7 = 10
8 x 0 = 0
1 x 4 = 4
Charlie buys packs of training cards for 4 friends. Charlie buys each friend 1 pack. How many packs of trading cards does Charlie buy in total?
He buys 4 packs in total
The _________ is the answer to a multiplication equation.
Product
Products of 5 always have ____ or ____ in the ones place.
Which equations are true?
A. 1 x 4 = 2 x 2
B. 0 x 1 = 7 x 0
C. 0 x 8 = 4 x 2
D. 9 x 1 = 1 x 9
A. , B. , D.
0 x 3 = ___ x 4
0 x 3 = 0 x 4
18 students get on a bus for a field trip. If 2 students sit in each seat, how many seats do they use? Write a multiplication equation and a division equation them solve.
___ x ___ = ___
___ / ___ = ___
N = ___
18 / 2 = N
N = 9
You can find a _________ by looking for a rule that relates numbers to each other.
Products of 2 are _________ numbers.
Even
Which equations have the same product?
A. 9 x 1 = N
B. N = 1 x 9
C. N = 0 x 9
D. 9 x 9 = N
A. & B.
Make the equations true:
0 x 3 = ___ x 4
1 x 10 = ___ x 5
___ x 8 = ___ x 4
0 x 3 = 0 x 4
1 x 10 = 2 x 5
1 x 8 = 2 x 4
Justin makes a row of 8 buttons. He adds 9 more rows of 8 buttons below the first row to make an array.
What equation can you write to represent this?
___ x ___ = N
Solve for N.
N = ____
10 x 8 = N
N = 80
2 x 4 = 8 so 4 x 2 = 8
What is this rule called?
Commutative Property
Products of 10 always have ____ in the ones place.
What is true about the tens place for products of 10?
0
They will have the same digit in the tens place that was multiplied by 10.
Ex: 10 x 3 = 30
The Rucker family picks peaches to sell at the farmers market. They place 10 peaches in each basket. They use all the peaches they picked. Could the Rucker family have picked 41 peaches? Explain.
No, they could not have picked 41 because when you multiply by 10, your product must have a 0 in the ones place.
Make the equations true:
___ x 5 = ___ x 3
___ x 8 = 2 x ___
6 x 5 = 10 x 3
1 x 8 = 2 x 4
Hannah has 15 trading cards and 0 photographs. She wants to divide them equally onto 5 separate pages of her binder. How many trading cards and photographs will be on each page?
____cards
____photographs
3 cards and 0 photographs