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Interactive Periodic Table & Element FinderSearch elements by name, symbol, atomic number, or approximate atomic mass, then view atomic data and temperature state estimates.Score 204periodictableelementKids Times Tables PracticePractice times tables with equal-group blocks, random questions, answer checking, and steps.Score 168tabletimeskidsElement FinderFind an element from its name, symbol, atomic number, or approximate atomic mass.Score 126elementgoldperiodicKids Multiplication CalculatorExplore multiplication as equal groups with blocks, step-by-step solving, and practice questions.Score 116multiplicationkidspracticeAtomic Number LookupFind an element by atomic number and view its symbol, mass, group, period, and category.Score 78atomicperiodictableSymbol LookupFind full element names and atomic data from element symbols such as K, Fe, or Au.Score 72symbolelementatomicAtomic Weight CalculatorLook up atomic weight and nearest matching elements by approximate atomic mass.Score 56atomicgoldelementKids Addition CalculatorPractice addition with visual counters, guided steps, Learn Mode, and friendly checking.Score 54kidspracticeKids Subtraction CalculatorLearn subtraction by taking away, seeing what remains, and revealing each step calmly.Score 54kidspracticeKids Division CalculatorUnderstand division as equal sharing with guided steps, visual counters, and answer checking.Score 54kidspracticeKids Fraction Simplifier CalculatorSimplify fractions with visual fraction bars, common factors, guided steps, and practice mode.Score 54kidspracticeKids LCM CalculatorFind the least common multiple by listing colored multiples and spotting the first shared number.Score 54kidspracticeKids Number Line CalculatorPractice addition jumps on a number line with visual movement and guided step explanations.Score 52kidspracticeKids Algebra Identity CalculatorExpand algebra identities like (a + b)^2 with color-coded terms and gradual solving.Score 46kidspracticeKids Geometry Area CalculatorLearn rectangle area and perimeter with a live shape preview, highlighted dimensions, and steps.Score 46kidspracticeGold Zakat CalculatorEstimate zakat on gold from weight, purity, market rate, and zakat percentage.Score 38goldMatrix Multiplication CalculatorMultiply two 2x2 matrices.Score 30multiplicationElement State by Temperature CalculatorEstimate whether an element is solid, liquid, or gas at a selected temperature using melting and boiling points.Score 30elementBohr Radius CalculatorCalculate Bohr orbit radius for hydrogen-like atoms.Score 14atomicStair CalculatorCalculate stair riser count, riser height, tread run, and total run.Score 12table