# Cosmic Fractions - Teaching Aid

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Teaching aid that reinforces the identification of equivalent fractions and teaches how to add and subtract fractions step by step with instructions.

Deck of 32 fraction playing cards. Each card has a fraction printed on it which has an equivalent numerical value to three other fraction cards in the deck. There are eight sets of equivalent fraction cards with four equivalent fraction cards for each set. Each of the eight sets of equivalent fraction cards feature unique visual representations of the fraction on the top right and bottom left of the card. Eight different shapes are used to help students distinguish whether another fraction card is equivalent to one they have. If the two cards have the same shape, then the fraction cards are equivalent. The cards are designed to be able to play Go Fish and War. However, students could simply try to match equivalent fraction cards together without the traditional structure of a card game. Adding and subtracting fractions with unlike denominators was approached by making a reversible board that has each step of adding and subtracting fractions divided into four distinct sections. This approach was done to help students compartmentalize and break up the process of adding and subtracting fractions by clearly labeling and defining each step of the equation. One side of the board details the steps for subtraction while the other side shows the steps for addition. The board also has concise, step by step written instructions printed on it to help walk students through the process if they don’t know what to do next. The board is designed to be written on by students to write out the work and comes with markers and erasers.

The teaching aid package includes two decks of 32 fraction playing cards in each deck, two reversible fraction addition and subtraction boards, two markers, two erasers, and instructions on how to play War and Go Fish with the cards on the bottom of the container lid.

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