Numbers in their forms
Addition
Subtraction
Rounding and Estimation
Word Problems
100

Write 30,000 + 2,000 + 900 + 80 + 1 in standard form.

32,981

100

Find the sum:

147 + 233

380

100

Find the difference:

587 - 345

242

100

Round 414 to the nearest hundred.

400

100

Ms. Smith had 145 dollars for her weekly groceries. She only spent 85 dollars. How much money did she have left?

$60

200

Which of the following describes the number 44, 135?

A. 40,000 + 400 + 100 + 30 + 5

B. 40,000 + 4,000 + 100 + 30 + 5

C. 4,000 + 100 + 30 + 5

D. None of the above

B. 40,000 + 4,000 + 100 + 30 + 5


200

Find the sum:

245 + 392

637

200

Find the difference: 

315 - 64

251

200
Round 389 to the nearest ten.

390

200

Ms. Yarbrough bought 267 balloons for an upcoming party. At the last minute, she decided to buy 315 more balloons. How many balloons did she have for the party?

582

300

The word form of a number is shown:

twenty-six thousand, three hundred eighty-four

Write the number in standard form and expanded form.

26,384

20,000 + 6,000 + 300 + 80 + 4

300

Find the sum:

437 + 353

790

300

Find the difference:

392 - 245

147

300

Round 354 to the nearest ten and to the nearest hundred.

Tens: 350

Hundreds: 400

300
The following numbers describe the amount of candy collected by 4 classes: 245, 392, 437, 353. 


What is the total amount of candy collected by the classes that collected the SMALLEST amount?

598

400

The expanded form of a number is shown below.

80,000 + 9,000 + 600+ 3

Write the number in standard form and word form.

89,603

eighty-nine thousand six hundred three

400

Find the sum:

392 + 437

829

400

Find the difference: 

812 - 366

446

400

Round 109 to the nearest ten and to the nearest hundred.

Ten: 110

Hundred: 100

400

There were 362 cars on the lot at Nashville Car Dealership. Last month, 129 cars were sold. How many cars are left?

233

500

The standard form of a number is shown below.

21, 025

Write the number in expanded form and word form.

20,000 + 1,000 + 0 + 20 + 5

twenty-one thousand twenty-five

500

Find the sum:

496 + 255

751

500

Find the difference:

700 - 437

263

500

Kendra got a bunch of candy from trick or treating:

  • 325 skittles

  • 172 reeseā€™s cups

  • 216 snickers

  • 165 airheads

Which expression shows the best way to estimate the sum of her skittles and airheads?

A. 300 + 170

B. 300 - 100

C. 300 + 160

D. 300 - 200

A. 300 + 170

500

Diego has 199 pictures on his phone. He takes 399 more pictures. How many pictures does he have on his phone now?

598

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