PROBLEM SOLVING INVOLVING ALGEBRAIC EXPRESSIONS

PROBLEM SOLVING INVOLVING ALGEBRAIC EXPRESSIONS

By MARIVIC CACAL UMAGAT

​PROBLEM NO. 1

​Janna is 3 years older than Joy. The sum of their ages is 39. Find the age of Janna and Joy.

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• Step 1: The problem is asking the age of Janna and Joy

• Step 2: Represent unknown numbers with variables.

• Step 3: Solve for the value of the variable.

• Step 4: Write the answer.

• Step 5: Check your answer.

Poll

Do you multitask while attending our class?

• No, I am 100% focused.

• Sometimes

• Yes, I'm guilty