Q18 • 5th Grade Science 5 Pts
What vital organ in the human body is responsible for pumping blood?
Heart
Q19 • 5th Grade ELA 5 Pts
What is the term for a word that is spelled same but has different meanings (e.g. bat)?
Homonym / Homograph
Q20 • 5th Grade Social Studies 5 Pts
Which vast ocean is located directly on the west coast of the USA?
Pacific Ocean
Grade School Showdown Master Answer Key ROUND 1 KEY
Teacher Reference Manual
ROUND 2 KEY
Answer Key / Grading Rubric
Target: Grades 1-5
Total Points: 60 Pts
Grading Guideline: Give full points if answers match key intent. Accept reasonable alternative spellings.
Teacher Only
Q1 • 1st Grade Math 1 Pt
If you have 3 dimes in your hand, how many total cents do you have?
30 Cents (30¢)
Q2 • 1st Grade Science 1 Pt
Which rocky planet is closest to the Sun in our solar system?
Mercury
Q3 • 1st Grade ELA 1 Pt
Which letter should be capitalized in: "on weekends, i love reading."?
I (Capital I)
Q4 • 1st Grade Social Studies 1 Pt
What large country is located directly north of the United States?
Canada
Q5 • 2nd Grade Math 2 Pts
How many total vertices (corners) does a solid 3D cube have?
8
Q6 • 2nd Grade Science 2 Pts
What are the three core states of physical matter?
Solid, Liquid, Gas
Q7 • 2nd Grade ELA 2 Pts
What word type acts as a naming word for a person, place, or thing?
Noun
Q8 • 2nd Grade Social Studies 2 Pts
How many stars are displayed on the current flag of the USA?
50
Q9 • 3rd Grade Math 3 Pts
What is the mathematical product of 9 multiplied by 8?
72
Q10 • 3rd Grade Science 3 Pts
What celestial body serves as the main driver of the water cycle?
The Sun
Q11 • 3rd Grade ELA 3 Pts
What is a group of words expressing a complete thought called?
Sentence
Q12 • 3rd Grade Social Studies 3 Pts
What are imaginary horizontal lines measuring North/South of the equator?
Latitude
Q13 • 4th Grade Math 4 Pts
How many total minutes are in 3 and a half hours?
210 minutes
Q14 • 4th Grade Science 4 Pts
What green pigment in plant leaves absorbs light for photosynthesis?
Chlorophyll
Q15 • 4th Grade ELA 4 Pts
What mark is used to show possessive ownership or contraction?
Apostrophe
Q16 • 4th Grade Social Studies 4 Pts
Which US state is the largest by total land area?
Alaska
Q17 • 5th Grade Math 5 Pts
What is the mathematical product of 12 multiplied by 15?
180
Q18 • 5th Grade Science 5 Pts
What is the exact boiling point of water in degrees Celsius?
100°C
Q19 • 5th Grade ELA 5 Pts
What is the full subject of: "The excited young children ran to the park."?
"The excited young children"
Q20 • 5th Grade Social Studies 5 Pts
What major conflict did the US enter after the Pearl Harbor attack?
World War II (WWII)
Grade School Showdown Master Answer Key ROUND 2 KEY
Teacher Reference Manual
ROUND 3 KEY
Answer Key / Grading Rubric
Target: Grades 1-5
Total Points: 60 Pts
Grading Guideline: Give full points if answers match key intent. Accept reasonable alternative spellings.
Teacher Only
Q1 • 1st Grade Math 1 Pt
What numerical value is exactly 10 less than 85?
75
Q2 • 1st Grade Science 1 Pt
What plant part anchors it down and absorbs subterranean water?
Roots
Q3 • 1st Grade ELA 1 Pt
What is the plural form of the singular word "child"?
Children
Q4 • 1st Grade Social Studies 1 Pt
What continent includes Canada, the USA, and Mexico?
North America
Q5 • 2nd Grade Math 2 Pts
What is the total value represented by the "7" in the number 732?
700 (Seven Hundred)
Q6 • 2nd Grade Science 2 Pts
What specific term refers to animals that eat exclusively plants?
Herbivore(s)
Q7 • 2nd Grade ELA 2 Pts
What part of speech describes or modifies a noun (e.g. "happy")?
Adjective
Q8 • 2nd Grade Social Studies 2 Pts
What two major oceans border the mainland United States?
Atlantic & Pacific
Q9 • 3rd Grade Math 3 Pts
What basic, simplified fraction is equivalent to 2/4?
1/2
Q10 • 3rd Grade Science 3 Pts
What do we call a scientist who studies rocks, minerals, and terrain?
Geologist
Q11 • 3rd Grade ELA 3 Pts
In Cinderella, what garden item was turned into her royal carriage?
A Pumpkin
Q12 • 3rd Grade Social Studies 3 Pts
Which famous leader delivered the iconic "I Have a Dream" speech?
Martin Luther King Jr. (MLK)
Q13 • 4th Grade Math 4 Pts
What is the total perimeter of a square with a side length of 9 inches?
36 Inches
Q14 • 4th Grade Science 4 Pts
What are the three main subatomic particles that make up an atom?
Protons, Neutrons, Electrons
Q15 • 4th Grade ELA 4 Pts
What are words that sound identical but differ in spelling (e.g., wait/weight)?
Homophones
Q16 • 4th Grade Social Studies 4 Pts
Which European sailor famously crossed the Atlantic in 1492?
Christopher Columbus
Q17 • 5th Grade Math 5 Pts
What is the volume of a 3D cube with individual side lengths of 4 cm?
64 cubic cm (64)
Q18 • 5th Grade Science 5 Pts
What is the name of the spiral galaxy that contains our Solar System?
Milky Way
Q19 • 5th Grade ELA 5 Pts
What is an extreme exaggeration (e.g. "I could eat a horse") called?
Hyperbole
Q20 • 5th Grade Social Studies 5 Pts
What major trail was traveled by western pioneers in the 1840s?
Oregon Trail
Grade School Showdown Master Answer Key ROUND 3 KEY
Teacher Reference Manual
ROUND 4 KEY
Answer Key / Grading Rubric
Target: Grades 1-5
Total Points: 60 Pts
Grading Guideline: Give full points if answers match key intent. Accept reasonable alternative spellings.
Teacher Only
Q1 • 1st Grade Math 1 Pt
What is the final difference of 15 minus 7?
8
Q2 • 1st Grade Science 1 Pt
True or False: Spiders are scientifically classified as insects.
False (Arachnids)
Q3 • 1st Grade ELA 1 Pt
What is the direct antonym (opposite) of the word "dark"?
Light / Bright
Q4 • 1st Grade Social Studies 1 Pt
What specific colors are the horizontal stripes on the US flag?
Red and White
Q5 • 2nd Grade Math 2 Pts
How much total money is 2 quarters, 1 dime, and 3 nickels?
75 Cents (75¢)
Q6 • 2nd Grade Science 2 Pts
What gas do humans exhale that plants consume to survive?
Carbon Dioxide (CO2)
Q7 • 2nd Grade ELA 2 Pts
Spell the misspelled word correctly: "The dog barked very loudley."
Loudly
Q8 • 2nd Grade Social Studies 2 Pts
What are the three constitutional branches of the US Government?
Legislative, Executive, Judicial
Q9 • 3rd Grade Math 3 Pts
How many degrees are in a perfect right angle?
90 Degrees (90°)
Q10 • 3rd Grade Science 3 Pts
What is the gaseous form of water commonly called?
Water Vapor / Steam
Q11 • 3rd Grade ELA 3 Pts
What punctuation mark separates multiple items in a standard list?
Comma (,)
Q12 • 3rd Grade Social Studies 3 Pts
What massive river flows through the heart of the central USA?
Mississippi River
Q13 • 4th Grade Math 4 Pts
Find the median of this ordered data set: 3, 5, 7, 9, 11.
7
Q14 • 4th Grade Science 4 Pts
What rock category is formed directly from cooled magma/lava?
Igneous
Q15 • 4th Grade ELA 4 Pts
What term refers to traditional stories explaining natural phenomena?
Myth / Legend
Q16 • 4th Grade Social Studies 4 Pts
What was the first permanent English settlement in the Americas (1607)?
Jamestown
Q17 • 5th Grade Math 5 Pts
Find the mathematical value of x in: 3x - 5 = 10
x = 5
Q18 • 5th Grade Science 5 Pts
What do we call the physical process of liquid turning to gas?
Evaporation
Q19 • 5th Grade ELA 5 Pts
What type of word connects clauses (such as: and, but, or)?
Conjunction
Q20 • 5th Grade Social Studies 5 Pts
Which amendment to the US Constitution officially abolished slavery?
13th Amendment
Grade School Showdown Master Answer Key ROUND 4 KEY
Teacher Reference Manual
ROUND 5 KEY
Answer Key / Grading Rubric
Target: Grades 1-5
Total Points: 60 Pts
Grading Guideline: Give full points if answers match key intent. Accept reasonable alternative spellings.
Teacher Only
Q1 • 1st Grade Math 1 Pt
What geometric shape has exactly 3 flat sides and 3 corners?
Triangle
Q2 • 1st Grade Science 1 Pt
What is the hard, protective outer skeleton of an insect called?
Exoskeleton
Q3 • 1st Grade ELA 1 Pt
What basic letter is the very last letter in the English alphabet?
Z
Q4 • 1st Grade Social Studies 1 Pt
What official currency is printed and spent in the United States?
US Dollar
Q5 • 2nd Grade Math 2 Pts
What numerical value is exactly 100 more than 584?
684
Q6 • 2nd Grade Science 2 Pts
What term describes an animal that eats both meat and plants?
Omnivore
Q7 • 2nd Grade ELA 2 Pts
What letter suffix is added to the verb "play" to make it past tense?
-ed (played)
Q8 • 2nd Grade Social Studies 2 Pts
Who famously refused to surrender her bus seat in Alabama in 1955?
Rosa Parks
Q9 • 3rd Grade Math 3 Pts
What is the mathematical product of 400 multiplied by 5?
2,000
Q10 • 3rd Grade Science 3 Pts
What scientific tool is used to measure ambient temperature?
Thermometer
Q11 • 3rd Grade ELA 3 Pts
What part of speech stands in place of a standard noun (e.g., she/it)?
Pronoun
Q12 • 3rd Grade Social Studies 3 Pts
What unique landmass serves as both a continent and a country?
Australia
Q13 • 4th Grade Math 4 Pts
What value does the digit 9 hold in the number 294,103?
90,000 (Ninety Thousand)
Q14 • 4th Grade Science 4 Pts
What is the process of a solid turning directly into a gas?
Sublimation
Q15 • 4th Grade ELA 4 Pts
What is a book about a person's life written by that exact person?
Autobiography
Q16 • 4th Grade Social Studies 4 Pts
What historic US canal, completed in 1825, connected the Great Lakes?
Erie Canal
Q17 • 5th Grade Math 5 Pts
Convert the fractional value 3/5 directly into a percentage.
60%
Q18 • 5th Grade Science 5 Pts
What force directly opposes physical motion between touching surfaces?
Friction
Q19 • 5th Grade ELA 5 Pts
What term means giving human properties to non-human things (e.g. whispering wind)?
Personification
Q20 • 5th Grade Social Studies 5 Pts
Who served as the primary author of the Declaration of Independence?
Thomas Jefferson
Grade School Showdown Master Answer Key ROUND 5 KEY
5TH GRADE MATH
Round 1 • Question 17 (Worth 5 Pts)
\[ 3^2 + 4^2 = ? \]
Think carefully! Show your formulas on your booklet.
Official Answer
Mathematical Solution
25
The Math: \( 3^2 = 9 \) and \( 4^2 = 16 \).
Adding them together gives \( 9 + 16 = 25 \).
If you solved this successfully, add 5 solid points to your Score Tracker!
THE FINAL RECKONING
If you don't secure enough points, you must face the classroom crowd and say the ultimate words:
"I am not smarter than a fifth grader!"
May the brightest students triumph! Good luck!
