Algebra Properties of equality

What is Addition property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is Subtraction property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Identify the property of equality used & the solution.

• addition: 13
• addition: 3
• subtraction: 19
• subtraction: 13

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Identify the property of equality used & the solution.

• addition: 26
• addition: 2
• subtraction: 26
• subtraction: 2

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

What is multiplication property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Tags

CCSS.3.OA.B.5

What is division property of equality

• a.   If a=b, then a+c=b+c
• b.  If a=b, then a-c=b-c
• c.  If a=b, then ac=bc
• d.  If a=b, then a/c=b/c

Tags

CCSS.HSA.REI.A.1

Identify the property of equality used & the solution.

• division: 7
• addition: - 40
• multiplication: - 30
• division: - 7

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Identify the property of equality used & the solution.

• division: 50
• multiplication: 50
• multiplication: -50
• addition: -5

Tags

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Simplify the expression with the distributive property
6(x + 3)

• 6x + 3
• 6x + 18
• x + 3
• 9x

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.B.3

What is the Substitution property of equality

• a.  If a=b, then  a can be substituted for b in any equation or expression
• b.  a(b+c)=ab+ac
• c  For any real number a, a=a .
• d.  If a=b, then b=a

Tags

CCSS.HSA.SSE.B.3