Expressions with Unknowns Answers

Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation.

The operation and the constant are represented by three orange x tilesthree blue x tiles✔ three orange + tilesthree blue – tiles.

The tiles represent ✔ adding 3 to dividing 3 into multiplying 3 by subtracting 3 from

Place the tiles on the screen and then complete the statements.

Use the algebra tiles to model x + 2. Which statements are true? Select all that apply.

Use the algebra tiles to model x – 3.

Then choose the answer that describes the correct tiles.

Then choose the answer that describes the correct tiles.

Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation.

Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation.

Subtracting three is represented by three orange x tilesthree blue x tilesthree orange + tiles✔ three blue – tiles.

five orange x tilesfive blue x tilesfive orange + tiles✔ five blue – tiles

six orange x tilessix blue x tiles✔ six orange + tilessix blue – tiles

The tiles represent adding 3 to dividing 3 into multiplying 3 by ✔ subtracting 3 from an unknown number.

The situation can be represented as an algebraic expression as x + 55 + x✔ x – 55 – x.

The situation can be represented as an algebraic expression as ✔ x + 66xx – 66 – x.