Nummòlt's elementary math games & tools:
obbl & math toys
Online Math toys, construction toys and logic toys:
OPEN ENDED TOOLS
Slow fast cats: pre algebra: Animated algebra, Graphic algebra: To solve Cats and Mice problems.
Slow Fast Math Cats - Interactive Pre Algebra
Crossing the river with wolf, goat and cabbage - Logic game: Logic animation, Interactive logic.
Crossing the river with a wolf, a goat and a cabbage - Interactive logic
Time calculator: Time subtraction
Time calculator: Time subtraction
Encryption tool for kids: Encrypt or decrypt text
Elementary encryption tool: Encrypt or decrypt your text
Dancing Numbers: Divisibility and modular arithmetic
Dancing Numbers: Divisibility and modular arithmetic
Temperature converter: Fahrenheit, Celsius, Kelvin. Animated thermometer, with preloaded temperatures: From Absolute Zero to the temperature of solar crown. Graphic output, draggable and zoomable!
Fahrenheit Celsius Kelvin converter
Spelling fractions
Spelling fractions
Fraction pie tool: Helping tool to add old egyptian fractions
Fraction pie tool
Egyptian Fractions. To add egyptian fractions
Egyptian Fractions
Place value. To subtract candles in place value cakes
Place value cakes
nummolt / ninedigits workshop. To play with digits
ninedigitsworkshop
nummolt / mathcats balance. To play with fractions and rational numbers
mathcats balance
nummolt / mathcats obbl. To play with architecture blocks
mathcats obbl architecture blocks
obblog To play with logic blocks
nummòlt'sobblog logic blocks
obbliq To play with container blocks and a math liquid
nummòlt'sobbliq container blocks
OBBL: Construction toybox - Build online with architect blocks. Gravity simulator.
obbl- architecture blocks <
OBBLOG: Construction toybox: Build online with logic blocks. To make logic constructions. Binary logic simulator
obblog- logic blocks <
OBBLIQ: Construction toybox: Area laboratory; Container blocks and math liquid. Liquid simulator
obbliq- container blocks
ninedigits workshop & Math Cats balance & Mathcats OBBL (c) 2003 Wendy Petti of MathCats & Maurici Carbó of nummòlt
obbl, obblog, obbliq (c) 1999-2010 Maurici Carbó of nummòlt
OBBL - Joguines matemàtiques en Català
OBBL - Juguetes matemàticos en Castellano