All grade 4 students need to finish a math quiz on their computer at home in 2 weeks. In the quiz, there are 23 questions and they have up to 2 minutes to answer each question.

Question

a. There are 3 Grade 4 classes and there are 21 students in each class. How many students need to finish the quiz?
b. During the first week, 16 students finished the test. 39 students finished the test during the second week. How many students failed to finish the tests in 2 weeks?

Answer 1

a) 3 * 21 = 63
b) 63 - 16 = 47
47 - 39 = 8

Answer 2

anonymous january 31 2021

Answer 3

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