Ratios & Percentages/ Earth Science 300/400
Which of these amounts is larger?
75% or 50%
If you can ALSO answer WHY you may receive TEAM bonus points.
75% is larger.
1/2 = 50%
If x=3
Solve: What is 2x +5?
Answer: If x= 3
Evaluate the expression 2x + 5 to get 11.
2(3)+5
6+5=11
The first teams to find, raise their hand, show on camera a rectangular prism will earn this 100 points. You have exactly 90 seconds ready--set---GO!!!!!
Mrs. P will evaluate --answers may vary. More than one answer may be allowed (several teams could earn points).
If a student earned the following quiz scores, what would be their median quiz score?
100, 80, 95, 80, 90
The answer is 90.
First line up the number least to greatest.
80, 80, 90, 95, 100
Since this list is odd the middle number will be the median score earned.
What is the value of 3 + 4 x 5-1?
What is 22?
Bonus for explaining how you got it using order of operations/PEMDAS, you multiply 4 x 5 first to get 20 then add 3 and subtract 1.
Solve this ratio to find the percentage it equals:
1: 4
The ratio 1: 4= 25%
Think of it this way, if you have a pizza and you receive one slice of the 4 slices available you receive 25% of the WHOLE pizza. <YUM>🍕
Which number is distributed in the following expression? 5(x-3)?
Answer is What is 5x-15
The number 5 is distributed to both terms inside the parenthesis.
DAILY DOUBLE---Find an object in your current surroundings that has 4 equal sides.
You MUST raise your hand & show it on camera to earn team points. THIS is an ALL PLAY so all teams CAN earn points.
What is ____________? (Teachers will verify object is a square).
Which of the following would be a statistical question?
A) How many feet are in three miles?
B) In what state is the Statue of Liberty located?
C) What is each student's favorite dessert in your class?
D) How OLD is Mrs. Postler?
The answer is NOT D Mrs. Postler 🤣 Sorry!
The CORRECT answer is C
What is the order of operations?
What is PEMDAS?
*Bonus for naming each operation in order.
What is the breakdown of rocks by physical or chemical processes is called
Answer:
b. weathering
Which is NOT a physical property of a mineral?
Location (where it is found)
Maria used 64 feet of fencing to construct a square dog pen. How long is each side of the pen?
What is 16 feet?
A square has 4 equal sides, so you divide 64 by 4.
ALL PLAY
ANSWER the following STATISTICAL question. FIND the input link in the chat box..
What is YOUR favorite way to spend summer vacation?
SLEEP
POOL
VIDEO GAMES
GO ON A FAMILY TRIP
HANG OUT WITH FRIENDS
MORE THAN 3 of the above
NONE OF THE ABOVE
Answer will vary---YOU have 90 seconds to complete your answers. The statistical results will be shown to you.
Which step (PEMDAS) would you do second to simplify this expression?
15-3x2+4
Multiplying 3 x 2 would be first, so NEXT (or secondly) you would move left to right through this expression, so you would take 15 and subtract 6
STEP ONE: Multiply 3 x 2 = 6
STEP TWO: left to right subtraction and addition: 15- 6= 9
STEP THREE: finish adding 9 + 4 = 13
What is the liquid layer of the earth is called?
D. Hydrosphere
DOUBLE JEOPARDY QUESTION
❌2️⃣🌟
Which area is bigger?
1. 🪟 A window that has 4 sides that are 6 feet each
or
2. 🚪A door that measures a height of 9 feet and a width of 3 feet
Answer is they are the same
The window is 4 x 6 =24 feet
The door is 2 (9) + 2 (3)
2 x 9= 18 feet
2 x 3 = 6 feet
18 + 6 =24 feet
Which area is being solved using the formula
BH/2
What is the area of a triangle. 🔼
Which type of rock is formed by fire?
Answer: Igneous
Which is NOT part of the Water Cycle?
Answer: Radiation
Word problem:
Alex and Brenda are each working on a 30 point assignment. If Alex completed 20% of the problems and Brenda completed 30% of the questions, how many more questions did Brenda complete.
To solve this:
30% of 30= 9, and 20% of 30= 6. Therefore, 9-6=3 questions.
The answer is Brenda completed 3 more questions.
Distribute:
4(2 + 5)
8 + 20 or PEMDAS 4(7)
=28
Fill in the blank
An _______________ occurs when the light from the moon or sun is blocked by another body.
Answer: Eclipse
Salinity is the degree of _______________ in a solution, especially applied to ocean water.
❌Sorry- the answer is NOT Mrs. Love. If she goes to the ocean it would ONLY be to have a vacation.🏖️
Answer:
Salt
Which planet is NOT an outer planet?
Answer: Earth 🌍