Addition
Subtraction
Vocabulary
Word Problems
Rounding
100

347+486

833

100

943-679

264

100

What is the answer for addition?

SUM

100

Liam has 346 toy cars. His grandparents gave him 582 more for his birthday. How many toy cars does Liam have now?

928

100

734 rounded to the nearest 10 and 100

730

700

200

524+376

900

200

716-538

178

200

What are the two methods for adding and subtracting?

Standard Algorithm and Break Apart

200

There were 932 balloons at a birthday party. By the end of the day, 478 had popped or floated away.
How many balloons were left?

454

200

581 rounded to the nearest 10 and 100

580

600

300

892+659

1,551

300

931-486

445

300

What is the answer for subtraction?

Difference 

300

A concert had 805 tickets available. Before the show started, 319 tickets were sold. How many tickets were still available?

486

300

425 rounded to the nearest 10 and 100

430

400

400

1,654+2,386

4,040

400

4,354-2,675

1,679

400

What does break apart mean? Show an example

When you break apart numbers in order to add or subtract them easier

543+289

500+40+3

200+80+9

700+120+12

832

400

One shelf in the school library has 719 books. Another shelf has 264 books. How many books are there on both shelves combined?

983

400

1,318 rounded to the nearest 10 and 100

1,320

1,300

500

4,897+6,357

11,254

500

8,124-3,518

4,606

500

What do you use in order to add, subtract, and round correctly?

PLACE VALUE

500

A school collected $453 from one class and $128 from another class for a field trip. Then they spent $239 on the bus. How much money do they have left after paying for the bus?

$342

500

2,653 rounded to the nearest 10 and 100

2,660

2,700