Equal Groups
Three equal groups of four equals
Draw Equal Groups to show your answer
3 x 4 =12
What multiplication sentence does the repeated addition sentence show?
2+2+2
2 x 3 = 6
What is the value of the unknown number?
2 x _____ = 12
6
because 2 x 6 = 12
Use the distributive property to make it easier
2 x 4 = _
( 2x2 ) + ( 2 x __ ) =
2
because 2 x 4 = 8
so (2x2) + (2x2)=
4 + 4 = 8
Johnny had 2 brothers . Each of his brothers gave him 5$. How much money does Johnny have total.
Use any multiplication strategy you like.
Johnny has 10 $.
2 x 5$ = 10
Five equal groups of six
Draw Equal Groups to show your answer
5 x 6 = 30
What multiplication sentence does the repeated addition sentence show?
4 + 4 + 4
4 x 3 = 12
What is the value of the unknown number?
3 x __ = 15
5
because 3 x 5 = 15
Use the distributive property to make it easier
4 x 5 =
(4 x 2) + (4 x __)
3
because
4x5 = 20
( 4 x 2 ) + ( 4 x 3 )=
8 + 12 = 20
I bought 4 packs of gum. Each pack of gum had 5 pieces of gum in it. How many pieces of gum were in all the packs?
Use any multiplication strategy you like.
There were a total of 20 pieces of gum.
4 x 5 = 20
Seven Equal Groups of six
Draw Equal Groups to show your answer
7 x 6 = 42
What multiplication sentence does the repeated addition sentence show?
6 + 6 + 6 + 6
6 x 4 = 24
What is the value of the unknown number?
3 x 6 = 18 is the same as 6 x ___ = 18
3
because of the Commutative Property
Find the product.
( 4x 5 ) + ( 3 x 5 )
35
because
4 x 5 = 20
3 x 5 = 15
20 + 15 = 35
There are 3 dogs walking . How many dog legs are walking?
12 dog legs are walking, because each dog has 4 legs. So 3 x 4 = 12
Eight equal groups of seven
Draw Equal Groups to show your answer
8 x 7 = 56
What multiplication sentence does the repeated addition sentence show?
7 + 7 + 7
7 x 3 = 21
What is the value of the unknown number?
3 x 4 = 2 x ___
6
because 3 x 4 = 12
and 2 x 6 = 12
Find the product
(4 x 6 ) + ( 2 x 6 ) =
36
because
4 x 6 = 24
2 x 6 = 12
24 + 12 = 36
Mrs. Ramirez broke 28 students into groups of 4. How many groups did Mrs. Ramirez class have?
Mrs. Ramirez class had 7 groups because .4 x 7 = 28
Twelve equal groups of seven
Draw Equal Groups to show your answer
12 x 7 = 84
What multiplication sentence does the repeated addition sentence show?
9 + 9 + 9 + 9 + 9
9 x 5 = 45
What is the value of the unknown number?
9 x 2 = 6 x ____
3
because equal means same so
9x2 = 18
6x3 = 18
What is a correct was to break apart the problem ?
7 x 6
A. ( 5 x 6 ) + (4 x 6 )
B. ( 3 x 6 ) + ( 4 x 6 )
B.
because
3 + 4 = 7
so 7 x 6 = ( 3x6 ) + ( 4 x 6 )
If 2 x 42 = 84
what is 42 x 2 =
84, I know because of the Commutative Property of Multiplication