Students will work in groups to solve a task involving a 10x10 grid. They will be asked to represent the same amount in both tenths and hundredths, making connections between equivalent fractions with 10 and 100 as the denominator.
This activity results from the ALEX Resource Development Summit.
Students will go on a “shopping trip” to buy items with prices written both as decimals and fractions with 10 or 100 as the denominator. After they have decided which five items to “buy,” they will calculate the total cost of their items by adding fractions with 10 and 100 as the denominator. The students will use a visual model to represent the equivalence between fractions with different denominators.
Students will play a game to practice adding fractions with denominators of 10 and 100 by creating equivalent fractions. For each question they get right, the students will get to choose a playing card from a deck. At the end of the game, they can trade in their cards for a prize.