Grade 5 Addition Problems: Key Info & Reasonableness

Sarah has 125 marbles. She buys 78 more marbles. How many marbles does she have now?

• 203

• 180

• 150

• 200

A bookstore sold 250 books in January and 320 books in February. How many books did they sell in total during these two months?

• 570

• 450

• 600

• 500

Tom has 45 toy cars, and his friend gives him 36 more. How many toy cars does Tom have altogether?

• 81

• 60

• 72

• 90

In a school, there are 150 students in the 5th grade and 175 students in the 6th grade. How many students are there in total in both grades?

• 275

• 300

• 400

• 325

A farmer harvested 300 apples in the morning and 450 apples in the afternoon. How many apples did he harvest in total?

• 750

• 600

• 500

• 800

Lisa read 120 pages of her book last week and 85 pages this week. How many pages has she read in total?

• 205

• 180

• 195

• 210

A concert had 1,200 attendees on Saturday and 1,500 attendees on Sunday. How many people attended the concert over the weekend?

• 2,700

• 2,200

• 1,800

• 3,000

During a charity event, 600 people donated money on the first day and 750 people donated on the second day. How many people donated in total?

• 1450

• 1000

• 1200

• 1350

A school library has 1,200 books. If they receive a donation of 350 books, how many books will the library have now?

• 1550

• 1450

• 1600

• 1300

In a garden, there are 250 flowers in the spring and 300 flowers in the summer. How many flowers are there in total throughout the two seasons?

• 550

• 500

• 400

• 450