Amaia
Eric
100

How many lines of symmetry does a rectangle have?

2

100

What is another word for "mean"?

Average

200

What is the definition of parallel lines?

They are lines that never touch.

200

How do you find the range?

It is the maximum minus the minimum

300

What is an acute angle?

Less than 90 degrees

300
What is the median of 


2, 3, 4, 5, 9

4

400
How many equal sides does a scalene triangle have?

0

400

What is the average of 5, 10, 15?

10

500

What angle do perpendicular lines meet at?

90 degrees

500

How do you calculate the mean?

You add all of the values and divide by the number of values.
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