Solve each problem.
274 + 322 =
662 − 217 =
Round each number to the nearest 100.
372 → 248 → 451 →
2,048 → 3,264 → 2,945 →
There are 517 students at Cedar Grove Elementary. 287 students ride a car to school and 38 students walk to school. The rest of the students ride the bus. How many student ride the bus to school?
What is the area of the rectangle below?
What is the perimeter of the rectangle below?
Draw a picture on your graph paper if you need help.