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.
Mathnasium of West Covina is a math-only learning center for K-12 students in West Covina, CA. Trusted by over a million parents, Mathnasium uses personalized learning plans and the proprietary Mathnasium Method™ to help students catch up, keep up, and get ahead on their math journey.
Our specially trained tutors deliver face-to-face instruction in a supportive and fun small-group environment, working with students to develop a deep understanding of math, build confidence, and improve academic performance.
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(626) 387-3639
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