Geometry
Denton has 4 art books that are each 2 centimeters thick. He has 3 history books that are each 3 centimeters thick. What is the total width of Denton's art and history books in millimeters?
What is 170 millimeters.
Round 12.456 to the nearest hundredth
What is 12.460 or 12.46
Each 5th grader built a toothpick bridge for an engineering contest. Altogether, they used 7,392 toothpicks. If each 5th grader used 88 toothpicks, how many 5th graders participated in this activity?
What is 84