Mental Math Worksheets Grade 3

1. 698 + 275 = ?
2. Liam is collecting trading cards. He has 125 cards in his main collection and his friend Noah gives him 38 more cards. How many trading cards does Liam have in total now?
3. Lily is baking cookies for her school bake sale. She needs to make 156 cookies and can fit 12 cookies on each baking tray. How many full trays of cookies will Lily need to bake?

…and 6 more problems

1. Olivia has 245 beads to make bracelets for her friends. She wants to put 35 beads on each bracelet. How many bracelets can Olivia make?
2. Liam is organizing his baseball card collection. He has 125 cards and wants to put them into albums. Each album page holds 9 cards. How many complete pages will Liam fill with his baseball cards?
3. Emma is looking at a rectangular park on a map. The park is 85 meters long and 60 meters wide. What is the total distance around the outside edge of the park? Use mental math to solve.

…and 3 more problems

1. 698 + 175 = ?
2. A school is planning a field trip and needs to arrange transportation. There are 168 students going on the trip, and each school bus can carry 24 students. How many buses are needed to transport all the students?
3. Isabella is organizing her bookshelf. She has 198 books to arrange evenly across 9 shelves. How many books should Isabella place on each shelf?

…and 6 more problems