One step
A library book was returned 6 days late, making the total late fee $18. Write a one-step equation using d for the daily late fee.
6d = 18
Sam pays a $10 admission fee to an amusement park plus $3 per ride ticket T. If Sam spent $31 in total, write an equation to model this situation.
3T + 10 = 31
A student wrote x + 4 = 24 for the problem: "4 times a number x is 24." What was their error, and what is the correct equation?
Error: Did + instead of multiplying.
Correct : 4 * x = 24
How heavy is an average cloud? (¿Cuánto pesa una nube promedio?)
(ما هو وزن السحابة المتوسطة؟) (Ban diis lay am ci niir yi?)
(Sankaba cɛmancɛ girinya ye joli ye?)
1. 500Kg
2. 5,000Kg
3. 50,000Kg
4. 500,000Kg
4. 500,000Kg. That is roughly equivalent to 100 adult elephants floating above your head
Noah had x baseball cards. After giving 14 cards to his sister, he had 35 cards left. Write an equation to represent this situation.
x - 14 = 35
A phone repair service charges $40 for a diagnostic check plus $25 per hour H. The total bill was $115. Write an equation using H.
40 + 25H = 115
For the sentence "7 less than a number n is 12," a student wrote 7 - n = 12. Fix the student's mistake.
Error: "Less than N" has been reversed.
Correct : n - 7 = 12
Which of the following existed on Earth BEFORE trees appeared?
(أيٌّ مما يلي كان موجوداً على الأرض قبل ظهور الأشجار؟)
(Ci garab yii, ban ci ñoom moo amoon ci kaw suuf LAATA garab yi di feeñ?)
(¿Cuál de los siguientes elementos existía en la Tierra ANTES de que aparecieran los árboles?)
a) Flower
b) Dinosaurs
c) Sharks
d) Saturn's Ring
c) Shark : Sharks are ~450 million years old; trees appeared ~350 million years ago
A pizza bill of p dollars is split equally among 4 friends. Each friend pays $12. Write an equation to find the total bill.
p / 4 = 12
Each friend paid D dollars equally for a dinner, and one person bought one dessert of $2. Total was $14 in total, then how can I write an equation?
4D + 2 = 14
For the situation "A gym charges $20 per month M plus a $50 signup fee for a total of $170," a student wrote 50m + 20 = 170. What is wrong with their equation?
Error: Student mixed up 20 and 50, confused one time sign up bonus with monthly fee
Correct : 20 M + 50 = 170
Which animal can hold its breath underwater for up to 40 minutes?
(¿Qué animal puede aguantar la respiración bajo el agua hasta 40 minutos?)
(Ban baayima moo mëna tëye noyyig bi ci biir ndox 40 simili?)
(ما هو الحيوان الذي يمكنه حبس أنفاسه تحت الماء لمدة تصل إلى 40 دقيقة؟)
1) Dolphin
2) Sea Otter
3) Sloth
4) Beaver
c) Sloth. Sloths can slow their heart rate to hold their breath underwater four times longer than dolphins !
A stock price increased by $8.25 today, reaching a new price of $45.50. Write an equation using s for the original stock price.
s + 8.25 = 45. 50
Maya saved $150 towards a $450 bicycle. If she saves $25 each week W, write an equation to find how many weeks she needs to reach her goal.
25W + 150 = 450
A student wrote x/5 = 30 for "5 friends split a total bill of $30." Why is this equation incorrect for the situation, and what should it be?
Error: Why would you divide x by 5 if you already know the total?
Correct : 30 / 5 = x
How many heart does an octopus have?
(كم قلباً يمتلك الأخطبوط؟) (Ñaata xol la poulpe am?)
(¿Cuántos corazones tiene un pulpo?)
1) 1
2) 2
3) 3
4) 4
3) 3. Two hearts pump blood to the gills, while the third pumps blood to the rest of the body.
One-sixth of the total mileage m driven on a road trip equals 85 miles. Write an equation to model the total trip distance.
m / 6 = 85
A taxi company charges a base rate of $4.50 plus $1.50 per mile M. If a passenger was charged $22.50, write an equation to find the distance traveled.
22.50 = 4.50 + 1.50 M
A student translated "Twice a number N, decreased by 8, equals 20" as
2(n - 8) = 20. Explain the mistake and write the correct equation.
Error: decreasing happened after doubling the number.
Correct : 2N - 8 = 20.
What is my full name? :>
¿Cuál es mi nombre completo? :>
Luy sama tur wi leer? :>
ما هو اسمي الكامل؟ :>