Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 5\times3$ means adding $\displaystyle 3$ five times. 

$\displaystyle 3+3+3+3+3=15$ and $\displaystyle 5\times3=15$

Or we can think of this as grouping objects. We have $\displaystyle 5$ groups, with $\displaystyle 3$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 7\times7$ means adding $\displaystyle 7$ seven times. 

$\displaystyle 7+7+7+7+7+7+7=49$ and $\displaystyle 7\times7=49$

Or we can think of this as grouping objects. We have $\displaystyle 7$ groups, with $\displaystyle 7$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 8\times9$ means adding $\displaystyle 9$ eight times. 

$\displaystyle 9+9+9+9+9+9+9+9=72$ and $\displaystyle 8\times9=72$

Or we can think of this as grouping objects. We have $\displaystyle 8$ groups, with $\displaystyle 9$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 9\times10$ means adding $\displaystyle 10$ nine times. 

$\displaystyle 10+10+10+10+10+10+10+10+10=90$ and $\displaystyle 9\times10=90$

Or we can think of this as grouping objects. We have $\displaystyle 9$ groups, with $\displaystyle 10$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 10\times1$ means adding $\displaystyle 1$ ten times. 

$\displaystyle 1+1+1+1+1+1+1+1+1+1=10$ and $\displaystyle 10\times1=10$

Or we can think of this as grouping objects. We have $\displaystyle 10$ groups, with $\displaystyle 1$ object in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 11\times2$ means adding $\displaystyle 2$ eleven times. 

$\displaystyle 2+2+2+2+2+2+2+2+2+2+2=22$ and $\displaystyle 11\times2=22$

Or we can think of this as grouping objects. We have $\displaystyle 11$ groups, with $\displaystyle 2$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 12\times3$ means adding $\displaystyle 3$ twelve times. 

$\displaystyle 3+3+3+3+3+3+3+3+3+3+3+3=36$ and $\displaystyle 12\times3=36$

Or we can think of this as grouping objects. We have $\displaystyle 12$ groups, with $\displaystyle 3$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 1\times4$ means adding $\displaystyle 4$ one time. 

$\displaystyle 4=4$ and $\displaystyle 1\times4=4$

Or we can think of this as grouping objects. We have $\displaystyle 1$ group, with $\displaystyle 4$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 4\times5$ means adding $\displaystyle 5$ four times. 

$\displaystyle 5+5+5+5=20$ and $\displaystyle 4\times5=20$

Or we can think of this as grouping objects. We have $\displaystyle 4$ groups, with $\displaystyle 5$ objects in each group. We can count up the total number of objects, in this case triangles. 

Multiplication can be thought of as repeated addition, or as objects in a group. 

$\displaystyle 5\times7$ means adding $\displaystyle 7$ five times. 

$\displaystyle 7+7+7+7+7=35$ and $\displaystyle 5\times7=35$

Or we can think of this as grouping objects. We have $\displaystyle 5$ groups, with $\displaystyle 7$ objects in each group. We can count up the total number of objects, in this case triangles.