Numbers: Place Value Chart

Numbers is a fun and interactive math learning app designed for elementary students. With colorful flip cards and hands-on gestures, children can explore essential math concepts through play.

The app features 14 learning modes covering a wide range of math topics:

Whole Numbers - Explore place value from ones to millions with up to 7 digit cards. See the expanded decomposition form to understand how numbers are built.

Decimals - Learn decimal place values from thousands down to thousandths with a visual decimal point overlay.

Fractions - Discover fractions with six linked cards showing the fraction, decimal, percentage, name, pie chart, and equivalent fraction.

Mixed Fractions - Convert between improper fractions and mixed numbers. See pie charts that show whole parts and remainders side by side.

Percentages - Calculate percentages of any number. See the equation laid out as cards with a visual bar showing the proportion.

Multiplication - Practice times tables from 1 to 12 with dot arrays and skip counting sequences.

Money - Count US dollars and British pounds with coins and bills. The total updates automatically as you add or remove.

Time - Tell time with both analog and digital clocks. Minutes move in 5 minute steps with hour and AM PM rollover.

Rounding - Round any number from 0 to 9999 to the nearest 10, 100, or 1000. A rule card explains the rounding logic.

Roman Numerals - See any number from 1 to 3999 as a Roman numeral with a breakdown by thousands, hundreds, tens, and ones.

Temperature - Convert between Celsius and Fahrenheit with a color changing thermometer that responds to the temperature.

Length - Convert between centimeters, meters, kilometers, and miles.

Weight - Convert between grams and kilograms.

Water Volume - Convert between milliliters and liters.

Every card uses a satisfying split flap animation. Swipe up or down to change values, tap to increment, and double tap to decrement. A listen button reads the current content aloud to support auditory learners.