Fractions and Decimals
Compare these rational numbers. Use >, <, or =
5.5 5 2/3
5 1/2 < 5 2/3
Add these rational numbers.
-12.4 + 8.39
-4.01
Multiply rational numbers
0.47 * 5.6
2.632
The product of two negative numbers is...
El producto de dos números negativos es....
Positive / positivo
What operation can be used in place of the word "of" ?
example: 2/3 of 100 =
Que operacion se puede usar en lugar de la palabra "De"?
ejemplo: 2/3 de 100 =
multiplication
Classify this as terminating or repeating.
Clasifica como finito o periodoco:
2/11
Repeating / periodico
Joaquin recorded a temperature of 62°F this morning for science class. The temperature increased 6 1/2 °F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?
59.8 or 59 4/5
Multiply rational numbers
2.3*(-1.4)*1.1
-3.542
The quotient of a negative and a positive number is...
El cociente de un número negativo y uno positivo es...
Negative / Negativo
When you flip a fraction, it is now called the ___________________ .
Cuando volteeas una fracción, se llama.. ___________________ .
Reciprocal / reciproco
Convert this fraction to a decimal. And classify it as terminating or repeating.
6 5/8
6.625, terminating
Add these rational numbers.
-3 1/3 + 2 1/2
-5/6
Multiply rational numbers (Simplify any FRACTION answers)
-5 2/3*(-1 1/2)
8 1/2
Find 2 sets of two integers to make the following a true equation:
_____ * _____ = - 21
_____ * _____ = - 21
-3, 7
- 7, 3
What does elevation mean?
Que significa elevacion?
the height of a point on the Earth's surface above or below sea level.
La altura de un punto de la superficie terrestre por encima o por debajo del nivel del mar.
Give an example of an irrational number and explain why you chose that number:
Da un ejemplo de un número irracional y explica por qué elegiste ese número:
Examples: Pi, Golden Ratio, Euler's Number, (random with no pattern and do not terminate, so you can't write them in fraction form.)
Subtract these rational numbers.
-23.01 - 8.2
-31.21
Divide rational numbers (Simplify any FRACTION answers)
1/2 ÷ 3
1/6
True or false:
The product of 7 negative numbers and 3 positive numbers is positive.
¿Verdadero o falso? El producto de 7 números negativos y 3 números positivos es positivo.
False it will give you a negative answer. FALSO
Ex:
(-2)(-2)(-2)(-2)(-2)(-2)(-2)(2)(2)(2)
(-128)(8) = -1,024
Why can't I divide a number by 0?
Porque no puedes dividir un numero por 0?
It breaks the rules of multiplication math. You cannot divide something by nothing. There is no number that you can multiply 0 by to get any other number than 0.
Esto rompe las reglas de la multiplicación. No se puede dividir algo por nada. No existe ningún número por el cual se pueda multiplicar el 0 para obtener un resultado distinto de 0.
Put these numbers in order from least to greatest.
Pon los numeros de menor a mayor:
-0.2, -1/4, -0.181818..., -2/9
-1/4, -2/9, -0.2, -0.181818...
Subtract these rational numbers.
-5/6-(-4/5)
-1/30
Divide rational numbers (Simplify any FRACTION answers)
-9 9/10 ÷ (-2 3/4)
3 3/5
Find 2 sets of two integers to make the following a true equation:
Encuantra dos pares de factores que haga esta ecuacion verdadera:
_____ * _____ = 25
_____ * _____ = 25
5, 5
- 5, - 5
x = -1/2
Substitute and solve each expression
Substituye y resuelve cada expresion
x 1−x x−1 -1x
x= -1/2
1-x = 1- -1/2 = 1+1/2= 1.5 or 1 1/2
x-1 = -1/2 - 1 = -1.5 or -1 1/12
-1x = -1(-1/2) = 1/2