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

Which problem is represented by this model?

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?

Write TWO number sentences that this model could represent.

The school principal wants to conduct a survey to find out which after-school club is most popular among students. Which method would give the best representative sample?

What expression is represented by this model?

Solve for the missing angle measurement.

Write TWO number sentences that this model could represent.

What expression is represented by this model?

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?

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

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?

What quadrilaterals have this property: opposite sides are parallel