Repeated Addition
How would you write this as multiplication?
7+7+7+7+7
7x5
When skip counting we always start with what number?
0
Complete on board together.
Fill in the blank.
5x3 = ___x5
3
How would you write this as multiplication?
3+3+3
3x3
Listing numbers that go up by the same number.
Example: 2,4,6,8,10
Draw the array for 6x7. How many do we have?
Fill in the blank.
9x___ = 4x9
4
What is repeated addition?
An addition equation where you see one number being repeated.
What are they skip counting by?
6, 12, 18, 24
6
Draw the array for 3x9. How many do we have?
27
Commutative property of multiplication is also called the ____________.
(Hint: Think about the song we watched in class.)
switch
How would this be written as repeated addition?
4x4
4+4+4+4
Skip count by 3 seven times. What number will you land on?
21
In order to be an array, what must be true?
All rows must be even.
What is true about commutative property?
A. Nothing changes.
B. The answer stays the same.
C. The order of the numbers changes.
D. Both C and D.
D
How would this be written as repeated addition?
2x8
2+2+2+2+2+2+2+2
or
8+8
Show skip counting for 4x4.
4, 8, 12, 16
Show both arrays for 8x3.
Students should have an array for 8x3 and 3x8.
Write both multiplication equations using 8 and 2.
_____x_____ and ______x_____
8x2 and 2x8