Multi-Digit Addition: Estimating and Place Value Fun

Lily has 245 stickers, and she buys 378 more. How many stickers does she have now? Estimate the sum first.

• 500

• 600

• 700

• 623

A farmer has 1,234 apples and picks 567 more from his trees. How many apples does he have in total? Use place value to help you add.

• 1,500

• 1,700

• 1,900

• 1,801

In a library, there are 1,456 books on one shelf and 789 books on another shelf. How many books are there altogether?

• 1500

• 2245

• 2235

• 2000

Tom has 312 marbles, and he finds 145 more in his toy box. How many marbles does he have now? Estimate the total before adding.

• 4570

• 312

• 145

• 457

A toy store sold 1,200 toys in January and 1,350 toys in February. How many toys did they sell in total? Use place value to add.

• 2400

• 1500

• 2550

• 3000

Sarah read 245 pages of her book last week and 378 pages this week. How many pages has she read in total? Estimate the sum first.

• 623

• 700

• 600

• 500

A bakery made 1,500 cookies for a party and 2,250 cookies for another event. How many cookies did they make altogether?

• 4000

• 2500

• 3750

• 3000

In a classroom, there are 456 pencils and 289 crayons. How many writing tools are there in total? Use place value to help you add.

• 512

• 745

• 789

• 600

A zoo has 1,234 visitors on Saturday and 1,567 visitors on Sunday. How many visitors did the zoo have over the weekend?

• 3,000

• 2,500

• 2,801

• 1,800

Emma collected 345 seashells at the beach and found 678 more at the shore. How many seashells does she have now? Estimate the total before adding.

• 1023

• 1100

• 900

• 1000