Unit 1 Review

Place Value

100

What is the value of the 6 in 463?

60

200

Write 3,245 in expanded form.

3,000+200+40+5 

300

Which digit is in the hundreds place in 8,329?

3

400

What number has 5 thousands, 2 hundreds, 3 tens, and 8 ones? 

5,238

500

Compare 4,652 ___ 4,562

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Rounding

100

Round 47 to the nearest ten.

50

200

Round 365 to the nearest hundred. 

400

300

Which number rounds to 700? 

653, 749, or 751

749 and 653

400

Round 8,942 to the nearest thousand. 

9,000

500

Why is 1,498 rounded to the nearest hundred 1,500?

Because of the 9 in the tens place.

Addition

100

234 + 100

334

200

298 + 402

700

300

325 + 416

741

400

357 + 268

625

500

A farmer has 348 apples and buys 257 more. How many apples does he have now? 

605 apples

Subtraction

100

542 - 100

442

200

653 - 321

332

300

642 - 315

327

400

567 - 278

289

500

A library has 425 book, 389 are checked out. How many are still in the library?

36

Word Problems

100

Emma has 312 stickers. She gives away 100. How many left? 

212

200

A school has 452 students. 138 are in 3rd grade. How many are not in 3rd grade? 

314

300

A library has 246 books. They get 325 more. How many books total?

571

400

A train has 735 passengers. 289 get off. How many are left? 

446

500

A stadium holds 982 people. If 567 are there, how many empty seats are in the stadium? 

415