Expressions with Unknowns Answers

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1
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Place the tiles on the screen and then complete the statements.

Answers:
Place the tiles on the screen and then complete the statements. one orange x tile and three orange + tiles:one orange x tile
Place the tiles on the screen and then complete the statements. one orange x tile and three orange + tiles:three orange + tiles
Place the tiles on the screen and then complete the statements. one orange x tile and three orange + tiles:adding 3 to
2
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Check all that you included in your response.

A
The variable, the number of puppies, is modeled by an orange x tile.
B
Giving away 1 puppy is modeled by 1 blue –tile.
C
The expression that represents the situation is x – 1.
3

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

A
The expression cannot be modeled.
B
The variable is modeled by an orange x tile.
C
The variable is modeled by an orange + tile.
D
+ 2 is modeled by 2 orange x tiles.
E
+ 2 is modeled by 2 orange + tiles.
4

Use the algebra tiles to model x – 3.

Answers:
Use the algebra tiles to model x – 3. Then complete the statements.:one orange x tile
Use the algebra tiles to model x – 3. Then complete the statements.:three blue – tiles
Use the algebra tiles to model x – 3. Then complete the statements.:subtracting 3 from
5

Then choose the answer that describes the correct tiles.

A
one blue x tile and one orange + tile
B
one orange x tile and one blue – tile
C
one blue x tile and one blue – tile
D
one orange x tile and one orange + tile
6

Then choose the answer that describes the correct tiles.

A
one blue x tile and two orange + tiles
B
one orange x tile and two blue – tiles
C
one blue x tile and two blue – tiles
D
one orange x tile and two orange + tiles
7

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

Answers:
The situation can be modeled by algebra tiles with and .:one orange x tile
The situation can be modeled by algebra tiles with and .:five blue – tiles
Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation. Isaac gave away five balloons. How can you model this situation? The situation:x – 5
8

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

Answers:
The situation can be modeled by algebra tiles with and .:one orange x tile
The situation can be modeled by algebra tiles with and .:six orange + tiles
Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation. Bernadette bought six more fish for her tank. How can you model this situation?:x + 6
11

Check all that you included in your response.

A
The variable, the number of golf balls, is modeled by an orange x tile.
B
Finding 8 more golf balls is modeled by 8 orange + tiles.
C
The expression that represents the situation is x + 8.

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