Percentages and finding the whole
Find a percent of a quantity as a rate per 100; solve problems involving finding the whole given a part and the percent.
9 free games for this standard
Percentage Bar Fill
Percentage Bar Fill
Drag the slider to fill the bar to the target percentage. Build intuition for percentage magnitude and estimation.
Interpret and solve percentage problems using visual models
What Is a Percentage?
What Is a Percentage?
Shade a 100-grid to show percentages. See how 35% means 35 out of 100 squares. The foundational concept of percentages.
Understand percentages as parts per 100
Percentage Quiz (Quantities)
Percentage Quiz (Quantities)
Multiple choice quiz on percentages of quantities. Test your ability to connect percentages to real-world amounts.
Calculate percentages of quantities
Percentage Builder
Percentage Builder
Build percentage values using interactive controls. Adjust numerator and denominator to construct target percentages and develop fluency with percentage notation.
Apply percentages to real-world discount problems
Error Detective: Percentages
Error Detective: Percentages
Spot percentage reasoning errors. A student says 50% of 30 is 15, so 25% must be 7. Can you find and fix the mistake?
Identify errors in percentage reasoning
Percentage Number Line Slider
Percentage Number Line Slider
Drag the slider to place percentages on a 0-100% number line. Builds percentage magnitude understanding.
Place percentages accurately on a number line
Percentage Detective
Percentage Detective
Find wrong percentage-fraction-decimal conversions. Tackles common misconceptions like 50% = 1/4.
Identify and correct errors in percentage conversions
FDP Conversion Detective
FDP Conversion Detective
Spot wrong conversions between fractions, decimals, and percentages. The ultimate FDP misconception buster.
Identify conversion errors between fractions, decimals and percentages
Mixed FDP Slider
Mixed FDP Slider
Place fractions, decimals, and percentages on the same number line. The ultimate FDP fluency challenge.
Convert fluently between fractions, decimals and percentages on a number line