3 Digit Adding
3 Digit Subtracting
Round to the Nearest 10
Round to the Nearest 100
Challenge Me!
100

The school was having a car wash. In the morning they raised $438. In the afternoon they raised $462. How much money was raised in the day?

They raised $900. 

100

Judy has 800 beads. Her cat steals 109 of them. How many beads does she have left?

She has 691 beads left. 

100

Round 29 to the nearest 10.

What is 30?

100

Round 633 to the nearest 100. 

What is 600?

100

Round the sum of 205+737 to the nearest 100. 

What is 942?

200

A dolphin swam 628 miles. She swam 272 miles more. How many miles did the dolphin swim?

She swam 900 miles. 

200

Brooklynn is reading a book that is 257 pages long. She has read 178 pages. How many pages does she have left?

She has 79 pages left.

200

Round 47 to the nearest 10. 

What is 50?

200

Round 105 to the nearest 100. 

What is 100?

200

One Direction is planning a big concert for their fans. They have 845 seats available in the venue. If 392 tickets have already been sold, how many seats are still available for purchase?

There are 453 seats left.

300

In a game, Finn scored 248 points in the first round and 197 points in the second round. How many points did Finn score in total?

Finn scored 445 points. 

300

Parker has 531 pencils, and he gave away 127 pencils to his classmates. How many does he have left?

He has 404 pencils. 

300

Round 8 to the nearest 10. 

What is 10?

300

Round 950 to the nearest 100.

What is 1,000?

300

A dog treat company produced 978 boxes of treats. They donated 356 boxes to local shelters and then sold 412 boxes to pet stores. How many boxes of dog treats does the company have left?

There are 210 dog treats left.

400

In a toy store, there were 258 stuffed animals. The store received a new shipment of 185 stuffed animals. How many stuffed animals do they have in all?

They have 443 stuffed animals. 

400

In a bakery, there are 784 cupcakes. If 392 cupcakes are sold, how many cupcakes are left in the bakery?

There are 392 cupcakes left. 

400

Round 23 to the nearest 10.

What is 20?

400

Round 328 to the nearest 100.

What is 300?

400

Taylor Swift is planning a big concert. She has 456 VIP tickets, 789 regular tickets, and 234 backstage passes. How many total tickets does Taylor have for her concert?

She has 1,479 tickets.

500

The school library has 498 books, and 297 more books were donated. How many books are there in the library now?

They have 795 books. 

500

Mia has 645 stickers, but she gave away 382 stickers to her friends. How many stickers does Mia have left?

Mia has 263 stickers left. 

500

Round 91 to the nearest 10. 

What is 90?

500

Round 569 to the nearest 100.

What is 600?

500

A sandcastle building contest had 943 participants at the start. After the first round, 256 participants were eliminated. In the second round, another 387 participants were eliminated. How many participants are left in the final round of the contest?

300 participants were left. 

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