Round/Estimate
Tricky
Addition
Subtraction
Random
100

What is 678 rounded to the nearest hundred?

700

100

Solve:

600-462 =

138

100

348 +542 =

890

100

896-431 =

465

100

What is nine thousand two hundred seventy-three written in standard and expanded form?

9,273

9000+200+70+3

200

What is 678 rounded to the nearest ten?

680

200

 You are trying to solve the problem 574 + 421. Can you add 6 to 574 to get 580.  Then add 580 + 521 +6?   

No

200

214+674+

888

200

How can you decompose to solve 958-304.  Fill in the blanks.

958 - ______ = 658

658 - ______ = 654

958 - __300__ = 658

658 - __4__ = 654

200

Even number + odd number =

odd number

300

Ava and Presley raise $1,383 to give to charity.  They say they raised about $1,380.  What did they do?

They rounded to the nearest ten.

300

Xander and Teddy have 904 blocks.  They used 477 to build a tower.  Then they find 213 more blocks.  How many blocks do they still have to continue building?

640 blocks

300

Nico collects trading cards.  He has 481 baseball cards and 449 football cards.  How many trading cards does Nico have altogether?

930 cards

300

Alana and Shayanna sold lemonade to earn money.  Alana saved $752.  Shayanna saved $239 less than Alana.  How much did Shayanna save?

$513

300

Even number + even number =

even number

400

Which of the following numbers is rounded to the nearest ten?

A. 534 -- 530

B. 829 --820

C. 472 -- 500

D. 383 --390


A. 534 -- 530

400

On Monday, Nick and Daniel play Fortnite for 236 minutes.  On Tuesday they play for 154 minutes.  On Wednesday, they play for 301 minutes.  

Which expressions show how to find the total number of minutes Nick and Daniel were playing.  Choose all that apply.

A. 301 +236 -154

B. 154 + 236 + 301

C. 236 +154 +301

D. 236 + 154 - 301

B. 154 + 236 + 301

C. 236 +154 +301

400

Brody and Carter are  solving the problem 178 +429 using the partial sums strategy.  To find the sum of the tens, which numbers would they add together?

70 +20

400

Robbie was saving money.  He saved $406.  He spent $275 on his VR headset.  How much money does he have left?

$131

400

odd number + odd number =

even number

500

When Sienna and Aryanna were estimating the difference between two numbers, they rounded both numbers to the nearest hundred and then subtract.  If their answer was 400, what was their original problem?

A. 546- 174 =

B 629 - 239 =

B 629 - 239 =

500

The school cafeteria gets 533 apples and 269 oranges to serve for lunch.  During the week, the kids eat 291 pieces of fruit.  How many pieces are left?

511 pieces of fruit

500

Last week, Sydnee and Georgia used 248 rubber bands to make a bracelet.  This week they used 259 to make a key chain.  How many rubber bands did they use altogether?

507 rubber bands

500

Stephen is reading a book with 823 pages in it.  He has already read 492 pages.  How many pages are left to read?

331 pages

500

Zakiyah said only one of the follow statements are true.  Which one is correct?

A. 211-199 = 210 - 200 

B 794 - 283 = 800 - 289

B 794 - 283 = 800 - 289