Solving for an Unknown Number

What would be the next step?

• Take away the 6 positives on the left so that the variable is isolated.

• Bring in 6 negatives on the left.

• Bring in 6 negatives to each side.

• Leave it alone

Which model represents X + 6 = 2 ?

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Which model represents "bring in 6 negatives to each side"?

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What would be the next step?

• Make zero pairs on the left and remove them

• Make zero pairs on both sides and remove them

• Make zero pairs on the right and remove them

• Leave it alone

What is the solution model for X -6 =2 ?

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Use you tiles to find the correct solution

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Which model represents this equation?

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Use your tiles to choose the correct solution for this equation.

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Solve for k.... 31 - 3k = 10

• k = 10

• k = -10

• k = -7

• k = 7

In the equation 2x + 3y = 19, what is/are the variable(s)? Choose the best answer.

• x

• y

• =

• Both x and y are variables