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In this math lesson, learners count and compare amounts of money less than or equal to one dollar.

This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.

In this math puzzle game, learners work together to use algebraic reasoning and fun clues for solving word puzzles.

This is a web activity about simple machines. Learners will explore a lawn mower and identify six different simple machines which work together to help make our lives easier.

Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

This is a game that is sure to sharpen players' basic math skills. Players must use four randomly selected numbers to create an equation that equals a fifth number.

This is an online activity about simple machines. Learners will try their hand at putting these amazing devices to work. They will use several simple machines to help "build" a tree house.

In this math activity, learners play a card game to practice adding coins quickly, just like a banker. First, learners create coin cards. Next, the cards are dealt to each player.

In this activity, learners build and play three math games. In the first game, called "Switcheroo," learners place marbles in holes 1 through 4 and 7 through 10.

This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.