Commutative & Associative with Evaluating Expressions

7 + (12-3)²

• 256
• 88
• 10
• 13

What would you solve first?
3 x 48 / (15 - 3)

• 3 x 48
• 48 / 15
• 15 - 3 
• 48-12

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Find and explain the error.    
 5 - 3 + 2
     5 - 5
        0

• There is no error.
• Addition was done first and you should have subtracted first
• There is a subtraction error

Tags

CCSS.7.NS.A.1D

3x + 8   if x = 2

• 13
• 14
• 15
• 16

Tags

CCSS.6.EE.A.2C

2x + 5(y - 1) when x=8 and y=5

• 20
• 31
• 36
• -4

Tags

CCSS.6.EE.A.2C

What property of addition can change order, but stay the same? Hint: looks like a mirror

• Associative
• Commutative
• Identity

Tags

CCSS.6.EE.A.3

1 + (8+3) = (1 + 8) + 3

• Associative
• Commutative
• Identity

What two operations use the commutative property?

• addition and subtraction
• addition and multiplication
• addition and division

Tags

CCSS.7.NS.A.1D

Which problem shows the commutative property?

• 3x4=4x3
• 7x9=7x8
• 2+5=5x2

Tags

CCSS.3.OA.B.5

Commutative Property of Multiplication

• 8 + 2 = 2 + 8
• 7 x 1 = 7
• 7 + 0 = 7
• 7 x 6 = 6 x 7

Tags

CCSS.6.EE.A.3