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K-5 Grade 2 Unit 1 Lesson 13

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Lesson 13

Warm-up Activity 1 Activity 2

Unit 1, Lesson 13

Use Bar Graphs to Compare

Grade 2

Warm-up

Decide if each statement is true or false. Be prepared to explain your reasoning.

Activity 1

What do you notice? What do you wonder?

<p>Horizontal bar graph. Third Grade Family Pets. Horizontal axis not labeled. Vertical axis not labeled. Two bars labeled, rabbit and Cat. The bar labeled rabbit is shorter length than the bar labeled cat. </p>

<p>Horizontal bar graph titled Third Grade Family Pets. Horizontal axis from 0 to 18 by ones. Vertical axis not labeled. Two bars labeled rabbit and cat. Length of bar at each category rabbit, 8, cat 17.</p>

How many more students have cats than rabbits? Show 2 ways to find the difference.

Activity 2

Kiran and Lin counted the types of dogs in a park. Their data is in this bar graph.

<p>Horizontal bar graph. Dogs in the Park. Horizontal axis from 0 to 20 by ones. Vertical axis labeled poodle, bulldog, pug, husky. Length of bar: poodle, 6, bulldog, 20, pug, 8, husky, 14.</p>

Make this statement true. There are more

__________________________ than ___________________________.
Write an addition and subtraction equation to show how many more.
Make this statement true. There are fewer

___________________________ than ____________________________.
Write an addition and a subtraction equation to show how many fewer.