0/1
List the 0s and 1 factors
0x0=0 0x1=0
0x1=0 1x1=1
0x2=0 1x2=2
0x3=0 1x3=3
0x4=0 1x4=4
0x5=0 1x5=5
0x6=0 1x6=6
0x7=0 1x7=7
0x8=0 1x8=8
0x9=0 1x9=9
0x10=0 1x10=10
2x2?
2x2=4
7x5
7x5=35
What does a 9x1 array look like?
OOOOOOOOO
10x2
10x2=20
Anything x 0 is what?
anything x 0 is 0
8x2
8x2=16
How many fingers are on 9 gloves?
There are 45 fingers on 9 gloves.
What does a 5x9 array look like?
OOOOOOOOO
OOOOOOOOO
OOOOOOOOO
OOOOOOOOO
OOOOOOOOO
10x8
10x8=80
Anything x1 is?
Anything x1 is itself
Each Chicken has 2 legs. How many legs are there in a group of 9 chickens?
There are 18 legs in a group of 9 chickens.
If a nickel is worth 5 cents, how many nickels do I need to have 55 cents?
You need 11 nickels to have 55 cents.
9x0
9x0=0
50=__x__
50=10x5
or
50=5x10
make an array of 1x1
O
List the 2s facts
2x0=0
2x1=2
2x2=4
2x3=6
2x4=8
2x5=10
2x6=12
2x7=14
2x8=16
2x9=18
2x10=20
5x8
5x8=40
9x7
9x7=63
What is the array?
OOOOOOOOOO
OOOOOOOOOO
OOOOOOOOOO
OOOOOOOOOO
4x10=40
Tickets for a school concert are free for students. The cost is $1 for each adult what is the total cost of tickets for 5 students?
The total cost for 5 students is $0
Bert says 2x9 is 19. How can you use patterns to show that Bert's answer is wrong?
-Multiplying by 2 ends in an even number. 19 is not an even number so the answer cannot be correct.
How many nickels do I have if I have 30 cents?
You have 6 nickels.
54=__x9
54=6x9
10x10
10x10=100