Name That Property
Which property of addition is shown? 3+2 = 2+3
What is Commutative for Addition
Use the commutative property to write an equivalent expression for a + b=
What is b + a
15 + 0 = _____
15 x 1 = _____
15 + 0 = 15
15 x 1 = 15
Use the distributive property to write out an equivalent expression for 2(3+4)=
What is 2x3 + 2x4
Create your own equation using the numbers and the property. 33 and 0. Identity property of Addition
33 + 0 = 33
Which property of multiplication is shown? 5(x - 20) = 5x-100
What is Distributive
Use the commutive property to write an equivalent expression for 31 x 50
50 x 31
135 x 1 = ____
157 + 0 = ____
135 x 1 =135
157 + 0 =157
Use the distributive property to write out an equivalent expression for a(b+c)=
What is ab + ac
Create your own equation using the numbers and the commutative property. 7 and j.
7 x j = j x 7
Which property of multiplication is shown? 1501 x 1 = 1501
What is Identity
True or False. The commutative property can be applied to all four math operations- addition, multiplication, subtraction and division.
FALSE. The commutative property only works for addition and multiplication.
CATCH THE MISTAKE.
Paxton says that the identity property proves that 150 x 0 = 150.
He should have said that 150 x 1 = 150
Use the distributive property to write out an equivalent expression for 7(4+9). Hint do not solve
7 x 4 + 7 x 9
The _____________ property means the numbers or variables can be swapped.
What is Commutative
What property is being shown? 15x + 22 = 22 + 15x
Commutative property for addition
In the Commutative property, the ____________ can be ________
order, changed
switched
swapped
flipped
Write out an ADDITION example of the identity property and a MULTIPLICATION example of the identity property.
* I will check answers on this one*
Write an equivalent expression for 4(j + 44)
4j + 176
Create your own equation using these numbers and the distributive property. 10, x, and 5
10(x + 5) = 10x + 50 OR 10(x-5)= 10x -50
Which property shown? a(10 + 20) = 10a +20a
What is Distributive
Create an equivalent expression using the commutative property: 20 x 15
What is 15 x 20
Write out a definition for the identity property
The identity property says that any number plus 0 will get back to that number and that any number times 1 will get me back to that number.
Write an equivalent expression for 5(x + 10 + 4)
5x + 50 + 20
The _____________ property multiplies the number outside the brackets with each of the terms in the brackets.
Distributive Property