At fossil camp, two teams returned from different trails with dinosaur track counts. The river team found 17 large tracks and 9 small tracks. The hill team found 11 large tracks and 13 small tracks. Emek and Luna organized the counts in a bar graph. They noticed the river trail had 6 more large tracks, while the hill trail had 4 more small tracks. Since they wanted to investigate the large dinosaur, they chose the river trail. The whole team headed there to explore.
Challenges
Challenge 1 of 5
Challenges
Challenge 1 of 4
Hint
Compare the large-track counts from the two trails.
Luna says the river trail had 6 more large tracks than the hill trail. Which calculation checks her statement?
17 + 11 = 2817 - 11 = 613 - 9 = 417 - 9 = 8Correct! 17 - 11 = 6, so the river trail had 6 more large tracks.
Try again. Use the two large-track counts and find their difference.
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Hint
Add the large-track count and the small-track count for the river team.
The bar graph shows 17 large tracks and 9 small tracks for the river team. How many tracks did the river team find in all?
Correct! The river team found 26 tracks in all.
Try again. Combine the 17 large tracks and 9 small tracks.
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Hint
Focus on the large-track data because they wanted to investigate the large dinosaur.
Emek and Luna wanted to investigate the large dinosaur. Which statement best explains why the bar graph supports choosing the river trail?
The river trail had 9 small tracks, which was the smallest count.The hill trail had 13 small tracks, which was more than 9.The two trails had the same number of large tracks.The river trail had 17 large tracks, which was more than the hill trail's 11 large tracks.Correct! The river trail had more large tracks, so its data gave stronger evidence for their search.
Try again. Compare only the large-track counts for the two trails.
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