Video: Counting Objects and Counting On Within 120

The table shows all the toys Natalie has. Count the number of cars and dolls she has. Now, count on to find the total number of toys she has.

02:21

Video Transcript

The table shows all the toys Natalie has. Count the number of cars and dolls she has. Now, count on to find the total number of toys she has.

We know the table shows the toys Natalie has. She has cars, dolls, and balls. We have to count the number of cars and dolls that Natalie has. We know she has 15 cars and she has 20 dolls. So, we can start counting at 15, and we need to count on 20. 20 is two tens, so we need to count on two 10s. 15 and 10 more is 25. And 10 more than 25 is 35. So, Natalie has 35 cars and dolls.

In the second part of the question, we’re told to count on to find the total number of toys she has. We’ve added the cars and the dolls, so now we just need to add the number of balls. And Natalie has seven balls. So, we need to start at 35 and count on seven more. If we count on five from 35, that will take us to 40. Five and two is seven. We’ve already added the five now. We just need to add the two, so we need to start at 40 and count on two. 40 and two is 42. The number of cars and dolls that Natalie has is 35, and she had seven balls. So, we counted on seven more from 35 which gave us a total of 42 toys all together. Natalie has 35 cars and dolls and 42 toys all together.

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