Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
![7. The length of a rectangle is 3 feet smaller than twice its width. Find the length and width of the
to finish the job alone. How long would it take each boy to finish the job if each works alone?
more than thrice the product of their ages five years ago. How old are each at present.
Mike and Gerry can finish painting a house in 4 hours. It would take Mike 6 hours more than Gerry
9. Marilyn is three years younger than her friend Rosie. In seven years the product of their ages will be
INSTRUCTION: In a 1 whole sheet of bond paper (any size). CHOOSE ONE (1) and Solve the problem
using the steps used in the week 4 module (given, unknown, representation, solution, answer and
conclusion). Write a short explanation of your work. Read the rubrics below, it will serve as a basis for
scoring
1. If a number is increased by its square, the result is 72. Find the number
2. The area of a rectangular field is 162 sq. m and its length is twice its width. Find the dimensions of
the field
3. The length of rectangle is 4 meters longer than twice its width. Its area is 70 square meters. Find the
dimensions of the rectangle
4. The width of a rectangle is 3 feet less than its length. the area of the rectangle is 70 square meter
5. Two hoses when connected to a swimming pool can fill the pool together in 4 hours, the larger bose
alone can fill the pool in 6 hours less than the smller hose. How long will it take for the smaller bose to
fill the pool alone?
6.
Find two consecutive even integers whose product is 624
rectangle if its area is 20 square feet.
8.
Exemplary
Satisfactory
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Beginning
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