5th Grade
What is 30% of 90?
27
What is the value of the expression 3x + 5 when x = 4?
17 (3 × 4 = 12, then 12 + 5 = 17)
If a jacket originally costs $80 and is on sale for 25% off, what is the sale price?
$60 (25% of $80 is $20; $80 - $20 = $60)
What is the name of the area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur?
The Ring of Fire
Which mountain range separates the continents of Europe and Asia?
The Ural Mountains
Which gas makes up about 78% of Earth's atmosphere?
Nitrogen
What is the process that plants use to turn sunlight into food?
Photosynthesis
What type of rock is formed from the cooling and solidification of magma or lava?
Igneous rock
Which layer of Earth's atmosphere contains the ozone layer and sits directly above the troposphere?
Stratosphere
Factor the quadratic expression completely: x² - 9
(x - 3)(x + 3). (This is a difference of squares pattern)
What does the prefix "un-" mean when added to a base word like "happy"?
Not / opposite of
In a story, what is the term for the turning point or the most exciting part of the plot?
The climax
What type of thematic map shows the shape and elevation of the land using contour lines?
Topographic map
According to the Pythagorean theorem, what is the length of the hypotenuse if a right triangle has legs measuring 6 cm and 8 cm?
10 cm (Since 6² + 8² = 10²)
Which organelle is known as the "powerhouse of the cell" because it generates chemical energy in the form of ATP?
The mitochondria
Who was the first president of the United States?
George Washington
What imaginary line of latitude divides the Earth into the Northern and Southern Hemispheres?
The equator
What is the term for the perspective from which a story is told, such as first-person or third-person omniscient?
Point of view
Identify the type of figurative language used in the sentence: "The autumn leaves danced across the driveway."
Personification
In literature, what is the term used to describe a warning or a hidden hint about an event that will happen later in the story?
Foreshadowing
Which U.S. state touches both the Pacific Ocean and is the largest in land area?
Alaska
What part of a map explains what the symbols, lines, and colors mean?
The map key or the map legend
Which ancient civilization is famous for inventing democracy?
Ancient Greece (Athens)
Which 1803 land deal between the United States and France doubled the size of the U.S. territory?
The Louisiana Purchase
What is the historical definition of "barter system"?
An economic system where goods and services are directly exchanged for other items without using any form of money.