NEW! View the Teacher's GuideDirectionsBuild bridges with the fewest number of blocks. Combine expensive smaller blocks and trade them for cost-saving larger blocks. The goal is to keep the cost as low as possible.Moving BlocksClick and drag blocks to drop them anywhere along the gaps in the bridge. At first, you will only be able to place blocks. When you have enough smaller blocks to trade for a larger block, you can make a trade.Trading BlocksSelect the blocks you want to trade then click the "trade" button. You may only use blocks that are in the same row for trades. Blocks to be traded must have the same value. To make 16, for example, you'll need eight 2's or four 4's or two 8's.
Bridge Builder Multiplication - Learning Connections
Essential Skills
Mental Math - connect addition and multiplication

Common Core Connection for Grades 2 and 3
Fluently multiply within 100.
Represent and solve problems involving multiplication.
Apply properties of operations as strategies to multiply.
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