What expression is represented by this model?

Write TWO number sentences that this model could represent.

What quadrilaterals have two pairs of parallel sides and four congruent angles?

What quadrilaterals have this property: opposite sides are parallel

A student measures 1 1/2 liters of water for one experiment and 3 3/5 liters for another. How many total liters of water did the student use?

Which problem is represented by this model?

What quadrilaterals have this property: all angles are congruent

What type of data is best represented by a histogram: categorical or numerical?

What expression is represented by this model?

When you multiply a number by a fraction, is your answer greater than or less than the original number?

A construction crew is repairing an old elevator shaft that begins 20 feet below ground level. They install 30 feet of new cables to raise the platform. What will be the elevator’s final position in relation to ground level?

A group of students makes 3 2/3 batches of lemonade, and a local café donates 5 times this amount. If all the lemonade will be evenly divided among 4 refreshment stands, how many batches will each stand receive?