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# Tasks unit 4 - PowerPoint PPT Presentation

There are 15 birds and 10 tigers at the zoo. A. How many birds & tigers in all? Draw a picture & write an equation. B. Which of these equations has the same sum as your equation? 12 + 10 10 + 15 13 + 10 C. Use words to explain how you know the two equations have the same sum.

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There are 15 birds and 10 tigers at the zoo.A. How many birds & tigers in all?Draw a picture & write an equation.B. Which of these equations has the same sum as your equation?12 + 10 10 + 15 13 + 10 C. Use words to explain how you know the two equations have the same sum.

There are 12 hippos and 12 flamingoes at the zoo.A. How many hippos and flamingoes in all?Draw a picture & write an equation.B. Which of these equations has the same sum as your equation? 12 + 13 15 + 15 14 + 10 C. Use words to explain how you know the two equations have the same sum.

There are 20 lions and 14 seals at the zoo.A. How many lions and seals in all?Draw a picture & write an equation.B. Which of these equations has the same sum as your equation?24 + 10 14 + 19 12 + 18 C. Use words to explain how you know the two equations have the same sum.

There are 43 hippos and 5 flamingoes at the zoo.A. How many hippos and flamingoes in all?Draw a picture & write an equation.B. Which of these equations has the same sum as your equation?40 + 5 8 + 40 43 + 10 C. Use words to explain how you know the two equations have the same sum.