Page 117 - NUMINO Challenge_B2
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Type 13-1 Solving Problems in Different Ways

Solve the problem below in three different ways.
A total of 10 students and teachers planted 24 trees. If each
student planted 2 trees and each teacher planted 3 trees, how
many students were there?

1 Solve the problem by drawing a picture.

2 Solve the problem by making a chart.

Number of 1 2 3
Teachers 9 8
21
Number of
Students

Number of Trees
Planted

3 Solve the problem by assuming all 10 people were teachers.

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