Meet Goofus! He makes careless mistakes in math, and your students get to analyze and evaluate his work to find his mistakes. Then, after finding the mistakes, students must show Goofus the correct solution to each problem and explain what he did wrong. One column shows Goofus' work, while a second column for his left blank for your students to explain what went wrong and show the correct solution. These worksheets cover the following standards:
4.OA.1 Multiplication Equation as Comparison
4.OA.2 Word Problems with Multiplicative Comparison
4.OA.3 Multi-Step Word Problems
4.OA.4 Factor Pairs, Multiples, Primes & Composites
These make great warm-ups, morning works, quick checks, homework, or center activities.