Unit 1 Review

Vocabulary

100

What do you call the answer to an addition problem?

sum

200

What do you call the answer to a subtraction problem?

difference

300

What is this?

Place value chart

400

What is this?

300+50+4

expanded form

500

What is this?

 5,849

-6,584

Standard form

Addition

100

25 + 42 = ?

67

200

684 + 315 = ?

999

300

345 + 456 = ?

801

400

549 + 946 = ?

1,495

500

36,498 + 54,612 = ?

91,110

Subtraction

100

96 - 82 = ?

14

200

846 - 613 = ?

233

300

691 - 388 = ?

303

400

513 - 292 = ?

221

500

How can you change this equation to addition?

97-56=?

56 + ? = 97

Rounding

100

Round 61 to the nearest ten.

60

200

Round 321 to the nearest ten.

320

300

Round 167 to the nearest hundred.

200

400

Round 350 to the nearest hundred.

400

500

Round  3482 to the nearest thousand.

3,000

Place value

100

What number is in the tens place?

569

6

200

What place is the 4 in?

684

ones

300

What number is in the hundreds place? 

6484

4

400

What place value is the 8 in?

8,645

Thousands

500

What place value is the 3 in?

36,548

ten thousands