Soy genial

Colegio San Patricio Cumbres
MATH LAB
7th Grade

Name: ___________________________________________________7th ____ L.N. _____ DATE ________________
Mrs. Mayra Valencia

BLOQUE1.FRACCIONES / FRACTIONS
I. FRACTIONS. Simplify the following fractions whenever possible, change them to decimals and classify them as recurring, terminating or irrational. Only 4 decimals

|[pic][pic]= 0.5714 |[pic] = 0.3333 |[pic] = 0.875 |[pic] = 0.625 |
|[pic] = 0.3333|[pic] = 0.6666 |[pic] = 0.60 |[pic] = 0.50 |

II. OPERATIONS WITH REAL NUMBERS – ADDITION AND SUBTRACTION OF NUMBERSWITH SIGN. Solve the following expressions. Make sure you apply Priority of Operations Rules (PEMDAS)

| [pic] 228 | [pic]33 |
| [pic] 6 | [pic] 25|
| [pic] 91/6 = 15 1/6 | [pic] -1 1/3|

III. SUBSTITUTION OF A VARIABLE Evaluate the following expressions.

| [pic] | [pic]|
| [pic] | [pic]|

IV. DESPEJE DE VARIABLES. Encuentra el valor de cada variable en las ecuaciones siguientes.
|-13 + x = --10 |[pic]+ y = [pic]...