+10, +100
Base Ten Blocks
Open Number Line
Partial Sums
Word Problems
100

164 + 10 = 

174

100

Draw blocks to show the sum.

151 + 243 = 

Teacher Check

394

100

Show using an open number line. 

268 + 156 = ____

Teacher Check

424

100

Show using partial sums.

237 + 852 = ____

Teacher Checks 

1,089

100

At the zoo, 457 people visited the lion exhibit in the morning and 289 in the afternoon. How many people saw the lions that day?

746 people (must have the unit)

200

615 + 100 = 

715

200

Draw blocks to show the sum.

600 + 256 = ____

Teacher Check

856

200

Show using an open number line.

208 + 564 = ____

Teacher Check

772

200

Show using partial sums.

453 + 238 = ____

Teacher Check

691

200

A farmer has 524 chickens and 167 ducks. How many birds does the farmer have altogether?

691 birds

300

897 + 10 = 

907

300

Draw blocks to show the sum.

693 + 185 = 

Teacher Check

878

300

Show using an open number line. 

151 + 324 = ____

Teacher Check

475

300

Show using partial sums. 

365 + 186 = ____

Teacher Checks

551

300

The school library checked out 409 fiction books and 312 nonfiction books last month. How many books were checked out in total?

721 books

400

989 + 100 = 

1,089

400

Draw blocks to show the sum. 

458 + 386 = ____

Teacher Check

844

400

Show using an open number line. 

137 + 225 = ____

Teacher Check 

362

400

Show using partial sums.

675 + 312 = ____

Teacher Check

987

400

During the bake sale, Avery sold 256 cookies and 319 brownies. How many treats did she sell?

575 treats

500

709 = 699 + ____

10

500

Draw blocks to show the sum.

976 + 459 = ____

Teacher Check

1,435

500

Show using an open number line.

564 + 312 = ____

Teacher Check 876

500

Show using partial sums. (It's an easy one!)

295 + 102 = ____

Teacher Checks

397

500

CHALLENGE QUESTION!!

On a field trip, 134 students rode the first bus, 218 rode the second bus, and 89 rode the third bus. How many students went on the field trip?

441 students