how do you know how many strawberries lilly and zim have?

10
How do you know how many strawberries Lilly and Zim have?

Upload: stephany-douglas

Post on 19-Jan-2016

219 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: How do you know how many strawberries Lilly and Zim have?

How do you know how many strawberries Lilly and Zim have?

Page 2: How do you know how many strawberries Lilly and Zim have?

In this lesson you will learn how to solve two-step word problems by

making a model.

Page 3: How do you know how many strawberries Lilly and Zim have?

Let’s Review

We need to do all the parts of a two-step problem.

Lilly and Zim had 12 strawberries. They ate 7 of them. Their teacher gave them 5 more strawberries. How many strawberries do they have now?

There is more than one step to complete the problem.

Page 4: How do you know how many strawberries Lilly and Zim have?

Core Lesson

What information do we know?

Lilly and Zim had 12 strawberries. They ate 7 of them. Their teacher gave them 5 more strawberries. How many strawberries do they have now?

12

Page 5: How do you know how many strawberries Lilly and Zim have?

Core Lesson

12

Then what happens in the story?

Lilly and Zim had 12 strawberries. They ate 7 of them. Their teacher gave them 5 more strawberries. How many strawberries do they have now?

5 12 - 7 = 5

Do we need to add or subtract?

Page 6: How do you know how many strawberries Lilly and Zim have?

Core Lesson

12

How many strawberries do they have now?

Lilly and Zim had 12 strawberries. They ate 7 of them. Their teacher gave them 5 more strawberries. How many strawberries do they have now?

5

10

12 - 7 = 5

5 + 5 = 10

Do we need to add or subtract?

Page 7: How do you know how many strawberries Lilly and Zim have?

Core Lesson

10 + 7 =Lilly had 10 berries. Zim gave her some more. Now she has 17 berries. Then they ate 6. How many strawberries do they have now?

Do we need to add or subtract?

10 + ? =17

Let’s find out what happened the next day.

Page 8: How do you know how many strawberries Lilly and Zim have?

Core Lesson

10 + 7 =Lilly had 10 berries. Zim gave her some more. Now she has 17 berries. Then they ate 6. How many strawberries do they have now?

Do we need to add or subtract?

17

17 - 6 = 11

Page 9: How do you know how many strawberries Lilly and Zim have?

How did you know how many strawberries Lilly and Zim have?

We made a model that followed the whole story.

Page 10: How do you know how many strawberries Lilly and Zim have?

In this lesson you have learned how to solve two-step word

problems by making a model.