Solve each problem.
264 + 522 =
364 − 217 =
Round each number to the nearest 100.
432 → 278 → 584 →
2,178 → 3,234 → 2,975 →
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.
A library has 842 books. If 104 books are checked out. The library then receives a donation of 60 books, how many books are in the library now?