Question

some students take the bus to school. the graph shows how many in each grade. use the key to answer
bus to school
grade 2
grade 3
grade 4
grade 5
= 10 students = 5 students
(a) how many students in grade 5 take the bus to school?
(b) how many total students in grade 2 and grade 3 take the bus to school?

Explanation:

Step1: Calculate the number of students in Grade 5

Each full circle represents 10 students. Grade 5 has 6 full circles.
$$6\times10 = 60$$

Step2: Calculate the number of students in Grade 2

Grade 2 has 1 full circle.
$$1\times10=10$$

Step3: Calculate the number of students in Grade 3

Grade 3 has 2 full circles.
$$2\times10 = 20$$

Step4: Calculate the total number of students in Grade 2 and Grade 3

Add the number of students in Grade 2 and Grade 3.
$$10 + 20=30$$

Answer:

(a) \(60\)
(b) \(30\)