Number Properties and Solving Equations

Which is an example of the commutative property of multiplication?

• 4 x(1 _^x 2) = (4 x 1) x 2
• 2 x 2 = 4 x 1
• 2(3) = 2(4)
• 3 x 4 = 4 x 3

Tags

CCSS.3.OA.B.5

Which of these illustrates the associative property of multiplication?

• 4 x (5 x 6) = (4 x 5) x 6
• 6 (9 + 1) = (6 x 9) + (6 x 1)
• 4 x (56) = (45) x 6
• 5 + 0 = 0 + 5

Tags

CCSS.3.OA.B.5

Rewrite (9 x 6) x 5 using the associative property.

• 270
• 9 x 30
• 9 x (6 x 5)
• 5 x 9 + 5 x 6

Tags

CCSS.3.OA.B.5

9+0=9

• Commutative Property of Addition

• Associative Property of Addition

• Identity Property of Addition

• Additive Inverse Property

Tags

CCSS.1.OA.B.3

Every time Mike adds zero to another number it stays the same.  What property is Mike using?

• Identity Property of Addition
• Identity Property of Multiplication
• Commutative Property of Addition
• Commutative Property of Multiplication

Tags

CCSS.1.OA.B.3

Identity Property of Multiplication

• 1 x 3 = 3
• 7 x 0 = 0
• 12 + 0 = 12
• 2 x 3 = 3 x 2

Tags

CCSS.3.OA.B.5

9+(2+4) = (9+2)+4

• Commutative Property of Addition

• Associative Property of Addition

• Additive Identity Property

• Distributive Property

Tags

CCSS.1.OA.B.3

The Distributive Property would say
3(a + 2b) = ______

• 3(2b + a)
• (a + 2b)3
• 3a + 2b
• 3a + 6b

Tags

CCSS.7.NS.A.1D

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7