What is x?
x + 4 = 10
x = 6
Elena is 8 inches shorter than me. If I am 65 inches tall, how tall is Elena?
Elena es 8 pulgadas más baja que yo. Si yo mido 65 pulgadas, ¿cuánto mide Elena?
Elena is 57 inches tall
a + b = 10
When a is 4 and b is 7, is the equation true or false? Explain why.
False. 4 + 7 = 11
1.1 + 2.52 =
3.62
(2/3) ÷ (1/4)
8/3
5 - x = 2
x = 3
I ran 5 times as far as Jada did. If Jada ran 20 miles, how far did I run?
Corrí 5 veces más que Jada. Si Jada corrió 20 millas, ¿hasta dónde yo corrí?
I ran 100 miles
2 * z = 150.
When z = 75, is the equation true or false? Explain why.
True; 2 * 75 = 150
5 - 0.02
4.98
How do you find the area of a triangle?
¿Cómo encuentras el área de un triángulo?
(Base times height) divided by 2
2 ⋅ x = 22
x = 11
UMaine has 3 more students than UMass. Which expression shows how many students are in UMaine? (x represents students in UMass)
La UMaine tiene 3 estudiantes más que la UMass. ¿Qué expresión muestra cuántos estudiantes hay en UMaine? (x representa a los estudiantes de UMass)
a) x - 3
b) 3 - x
c) x + 3
c) x + 3
If x represents Umass students, we need to ADD 3 more to get UMaine students
x + y + z = 30
When x = 12, y = 5, z = 13, is the equation true or false? Explain why.
True; 12 + 5 + 13 = 30
6.3
Find two equivalent ratios for the ratio 3:9.
Encuentra dos ratios equivalentes para el ratio 3:9.
Answers may vary, but some examples:
1:3
2:6
4:12
6:18
9:27
12:36
x ÷ 4 = 10
x = 40
I make 3 times more dollars per hour than Keishla (k). Which expression shows how much money I make per hour?
Gano 3 veces más dólares por hora que Keishla (k). ¿Qué expresión muestra cuánto dinero gano por hora?
a) 3 + k
b) 3/k
c) 3 * k
d) 3 ÷ k
c) 3 * k
6 + y - 4 = 10
When y = 8, is the equation true or false? Explain why.
True; 6 + 8 - 4 = 10
923 ÷ 4
230.75
Manny's rectangular garden has an area of 120 square feet. One side measures 5 feet. What's the other side length?
El jardín rectangular de Manny tiene un área de 120 pies cuadrados. Un lado mide 5 pies. ¿Cuál es la longitud del otro lado?
24 feet
x + 9.5 = 14
x = 4.5
Gary collects football cards. His friend Elli has 5 times as many football cards as he does. If Elli has 100 cards, how many does Gary have? Write and solve the equation.
Gary colecciona tarjetas de fútbol. Su amigo Elli tiene 5 veces más tarjetas de fútbol que él. Si Elli tiene 100 cartas, ¿cuántas tiene Gary? Escribe y resuelve la ecuación.
5x = 100
x = 20 so Gary has 20 football cards
45 * x = 270
When x = 5, is the equation true or false?
False; x must be 6 in order for both sides to be equal
91.70 ÷ 0.07
1,310
Convert 14/4 into a decimal.
3.5