i-Ready Diagnostic Test Diagnostic Measurement, Data, and Geometry 4

Question 1

A pie chart shows that 40% of students prefer math, 35% prefer reading, and the rest prefer science. What percentage prefer science?

Accepted Answer

25%

Answer

100% − 40% − 35% = 25% prefer science.

Question 2

A right triangle has legs of 6 cm and 8 cm. What is the length of the hypotenuse?

Accepted Answer

10 cm

Answer

Using the Pythagorean theorem: √(6² + 8²) = √(36 + 64) = √100 = 10 cm.

Question 3

Which of the following best describes a scalene triangle?

Accepted Answer

All three sides have different lengths

Answer

A scalene triangle has no equal sides; all three sides are different lengths.

Question 4

A frequency table shows: Red=12, Blue=8, Green=5. What is the ratio of Blue to total?

Accepted Answer

8/25

Answer

Total = 12 + 8 + 5 = 25; Blue ratio = 8/25.

Question 5

A polygon has 6 sides. What is it called?

Accepted Answer

Hexagon

Answer

A hexagon is a polygon with exactly 6 sides.

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