Activity 17.2: Operations on (Positive) Rational Numbers - Different Types of Numbers
This GeoGebra applet generates pairs of numbers with varying combinations of fractions, decimals, and percentages. CHECKBOXED on the right let you control which types of numbers are displayed.
Type your answer in the corresponding INPUT BOXES. A checkmark will appear if your answer is correct.
Your Task
Perform the four basic operations (addition, subtraction, multiplication, and division) on two different pairs of each type of combination: Fraction and Decimal, Fraction and Percentage, and Decimal and Percentage. Write down your solutions or explanations in the notes provided below.
Additional note: You can solve more if you need more practice.
Fraction and Decimal #1
Fraction and Decimal #2
Fraction and Percentage #1
Fraction and Percentage #2
Decimal and Percentage #1
Decimal and Percentage #2
EXPLAIN the strategies
How did you perform the four basic operations on two rational numbers in different forms?
REASON
What are the reasons you believe your strategy is correct and effective?