Arrays
What multiplication problem is shown on the following array?
xxxxx
xxxxx
xxxxx
xxxxx
4x5=20
xxxx xxxx xxxx xxxx xxxx
I have ____ equal groups of ______
5 equal groups of 4
4x5=
20
What is the repeated addition equation for 9x3=27
9+9+9=27
Skip count to solve 5x10
5,10,15,20,25,30,35,40,45,50
There are _____ rows and ________ columns
xxxxxx
xxxxxx
xxxxxx
xxxxxx
There are 4 rows and 6 columns
... ... ... ... ... ... ... ...
I have ______ equal groups of _____
8 equal groups of 3
6x4=
24
What is the repeated addition equation for 5x8=40?
5+5+5+5+5+5+5+5=40
Skip count to solve 2x6
2,4,6,8,10,12
In an array, which way does a row go?
From side to side
What does the first number in a multiplication equation represent?
How many groups there are
7x10=
70
What is the repeated addition equation for 9x2=18
9+9=18
Skip count to solve 10x4
10,20,30,40
In an array, which way does a column go?
Up and down
What does the second number in a multiplication equation represent?
How many are in each group
8x2=
16
What is repeated addition?
Adding together the first number, the second number amount of times to get your total
skip count to solve 6x1
6
Which represents the number of groups you have? Rows or columns?
Rows!
### ### ###
### ### ###
I have ___ equal groups of ____
3 equal groups of 6
What is the ANSWER in a multiplication problem called?
the product
What is the repeated addition equation for 10x9?
10+10+10+10+10+10+10+10+10+10=90
skip count to solve 5x9
5,10,15,20,25,30,35,40,45,