solving equations

Word that means opposite.  We use this word when talking about "un-doing" an equation to solve it. 

• Reciprocal
• Operation
• Inverse
• quadrant

Tags

CCSS.7.EE.B.4A

The inverse of subtraction is 

• adding
• subtracting
• multiplying 
• dividing

Tags

CCSS.6.EE.B.7

x + 3 = 29

• x = 32
• x = 29
• x = 26
• x = 3

Tags

CCSS.6.EE.B.7

x - 5 = 27

• x = 32
• x = 22
• x = 135
• x = 5

Tags

CCSS.6.EE.B.7

t + 3.924 = 15.58

• 54.82
• 19.504
• 11.656
• 5.482

Tags

CCSS.6.EE.B.7

4.9 = x + 1.5

• 4.2 = x
• 6.4 = x
• 3.4 = x
• 5.8 = x

Tags

CCSS.6.EE.B.7

When solving the equation
34.5 = p - 3, the first thing to do is to 

• add 3 to both sides
• add 34.5 to both sides
• subtract 3 from both sides
• subtract 34.5 from both sides

Tags

CCSS.6.EE.B.7

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Tags

CCSS.6.EE.B.5

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

Choose the correct equation for the situation.
Jane is 3 years older than Sam. If Jane 12, how old is Sam?

• j - 3 = 12
• s - 3 = 12
• s + 3 = 12
• j + 12 = 3

Tags

CCSS.HSA.CED.A.3