Gallery

Discover apps people built on Collabby by chatting. Run them, then remix to make them yours.

Stretch a cube cell's side to watch surface area ÷ volume shrink, then run mitosis and meiosis to produce the daughter cells.

by Anonymous

Drop the decimal point, multiply, then put it back by counting the decimal places to discover the rules for multiplying and dividing decimals.

by Anonymous

Divide, multiply, subtract, and bring down to see where each quotient digit sits and how big a remainder can get.

by Anonymous

Count with bar models how many times a fraction fits, then multiply by the reciprocal to divide fractions.

by Anonymous

Share cookies onto plates and group them to discover quotients, remainders, and how division undoes multiplication.

by Anonymous

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