Basic understanding of fractions and probability. Examples: What fraction represents the number of red marbles out of all the marbles; what is the probability of pulling a red marble out of the bag. 8 question pixel art self-checking activity
3 questions of comparing fractions, 4 questions of adding and subtracting fractions with common denominators, 3 questions representing mixed numbers from pictures and improper fractions, 1 question writing a mixed number and an improper fraction from a picture, and 1 question comparing mixed numbers. 12 questions total to create Thomas the Train.