This center is great for getting students used to the format of standardized tests. The problems also contain clue words to add or subtract the problem for extra practice with the words sum and difference. The models are not only circle fractions, but include an array of different shapes as well as adding and subtracting on a number line which helps build good number sense with fractions.
Occasional addition problems will create an improper fraction that students can practice turning into mixed numbers.
This comes with a great recording sheet that has students create the whole number sentence instead of only asking for the answer.
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