Headline Story
Addition and Subtraction in Depth, #5
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Introduction
Read the Headline Story to your students. Encourage students to use estimation strategies as well as strategies to find exact amounts.
Headline Story
Cooper Elementary School has 714 students. Stanley Elementary School has 529 students.
Possible student responses
- There are about 1,200 students in both schools (700 + 500).
- There are about 200 more in Cooper Elementary.
- If there are six grades in each elementary school, there are probably about 120 students in each grade in Cooper Elementary and about 90 students in each grade in Stanley Elementary.
- Since 14 + 29 = 43, there are exactly 1,243 students in the two schools.
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