8月21日的Numbers: Place Value Chart应用程序分析

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. Designed for iPad and iPhone with no ads, no in app purchases, and no internet required.