Identity & Zero Property
True or false
The identity property says that any number multiplied by 1 equals itself
true
find the product 8x9=
72
Find the product 7x5=
35
Find the product
=2x6
12
Find the product 10x12=
120
Which examples are the Zero Property of Multiplication.
0x2=0
2x5=10
13x0=0
0x2=0
13x0=0
Seth buys a sheet of stickers. He arranges the stickers in an array with 6 equal rows of 9 stickers. How many stickers are in Seth’s array?
54
Which are multiples of 5? How do you know?
5,23,24,15,90,75
5,15,90,75
Shelly runs in 2 races in each track meet. She has 7 track meets. How many races does she run in all?
14
find the missing factor 10x____=40
4
There are 4 fish tanks in a store. All 4 fish tanks have 0 fish in them. How many total fish are in the tanks?
0
Simon says that 7 × 2 is equal to 8 × 1 because both sets of factors add to 9. Do you agree with Simon’s reasoning?
No, we don't add the factors we multiply them and 7x2=14 but 8x1=8
Nicky buys 3 packs of sports cards. Each pack comes with 5 cards. How many sports cards does Nicky buy? 3.
15 sports cards
What will multiples of 2 possibly end in?
0,2,4,6,8
What will a multiple of ten always end in?
0
1x700=
700
Skip count by 9s. Circle each number that is a
multiple of 9.
16,9,28,27, 19, 36, 18
9,27,36,18
How can you tell if a number is a multiple of 5?
The ones place will be a 5 or 0
241x2=
482
21x10=
210
True or false
0x5=5
False
zero groups of 5 is zero, because there are no groups
Venetta makes an array with 5 rows of 6 columns. Jaime makes an array with 10 rows of 3 columns. Whose array has more items?
5x6=30
10x3=30 they have the same amount
15x5=
If Jocelin has 11 pairs of shoes how many individual shoes does she have?
11x2=22 shoes
Aliya has 5 dimes in her left pocket. She has 3 dimes in her right pocket. A dime is worth 10 cents. How much money does Aliya have?
80 Cents