How to Add Jeannie's and Kevin's Scores Using "Make a Ten" Strategy

How can we break apart one of the addends to make a ten to find the number of points Jeannie and Kevin scored?

Jeannie: 245

Kevin: 227

Final answer:

To simplify adding Jeannie's score of 245 and Kevin's score of 227, we can break apart one addend to make a ten. For example, by adjusting Kevin's score by 3 points (227-3=224) and adding it to Jeannie's score (245+3=248), and then adding these new scores (248+224) we easily get a total of 472 points.

To find the total number of points Jeannie and Kevin scored, we can use the strategy of making a ten to simplify the process of adding their scores. First, let's look at Jeannie's score of 245 and Kevin's score of 227. To make a ten, we can adjust one of the scores.

For instance, we can take 3 points from Kevin's score to get 224 (which is easier to work with because it ends in a 4) and add those 3 points to Jeannie's score, making it 248. Now, adding 248 to 224, we can easily make tens:

240 + 220 = 460

8 + 4 = 12

Add these together to get the total: 460 + 12 = 472 points. By breaking apart and regrouping the addends to make tens, we simplify the addition process and quickly find the sum of their scores.