Math Problem of the Week - Lower Elementary - May 15, 2022 to May 21, 2022

Lower Elementary: 

Question: Ten of the students in Mrs. Olson's 1st grade class got all of the questions on their math quiz right. Five students got one answer wrong, and the final 5 students got two questions wrong. How many students are there in Mrs. Olson's class?

Answer: 20 students

Solution: There are 10 students with all correct answers, 5 students with one wrong answer, and 5 students with two wrong answers. That means that there are 10 +5 + 5 = 20 students in the class.