Add/Subtract part 1
Add/Subtract part 2
ROUNDING
100

Samantha earned $236 in July and $645 in August. How much money did she earn altogether?

A. $781

B. $881

C. $243

D.$981

B. $881

100

On Monday, Sarah made $123 at work. On Tuesday, she made $238. How much money did Sarah make on Monday and Tuesday?

Sarah made $361.

100

About 831 people went to the mall this weekend. Rounded to the nearest hundred, how many people were at the mall?

A.750 people

B.850 people

C.800 people

D.900 people

C.800 people

200

Which expression could be used to solve 325+117

A. 3+2+5+1+1+7

B. 30+10+20+10+5+7

C. 300+100+20+10+5+7

D. 300+100+20+11+5+7

C. 300+100+20+10+5+7

200

Brett had 418 marbles in his collection. For his birthday, he got 209 more marbles. How many marbles does Brett have in his collection now?

Brett has 627 marbles. 

200

Madison had 129 stickers. To the nearest ten, about how many stickers does she have?

A. 120

B. 135

C.130

D. 125

C. 130

300

Kanoheda Elementary is having a book reading contest. Ms. Sahaye's class read a total of 382 minutes. Mrs. Hakim's class read 521. How many more minutes did Mrs. Hakim's class read compared to Mrs. Sahaye's?

A. 281 minutes 

B. 139 minutes

C. 903 minutes

D. 893 minutes

B. 139 minutes

300

Melissa found 778 seashells on the beach. Her brother gave her 189 more to bring home. How many seashells does Melissa have in total?

Melissa has 967 seashells in total.

300
The weight of a baby hippo has estimated to weigh about 500 pounds. Of the following weights, which could be the actual weight of the baby hippo?


A. 421 pounds

B. 493 pounds

C. 571 pounds

D. 588 pounds

B. 493 pounds

400

Fourth grade students took a total of 600 pictures for the yearbook during the school year. If Harper took 164 of the pictures, what is the total number of pictures taken by the rest of the fourth grade students?

A. 436 pictures

B. 632 pictures

C. 522 pictures

D. 478 pictures

A. 436 pictures

400

Jayden and Dylan are playing a video game to see who can score the most points. Jayden scored 544 points and Dylan scored 367 points. How many more points did Jayden score than Dylan?

Jayden scored 177 more points.


400

The Riley family traveled 1,436 miles on their vacation this year. To the nearest hundred, about how many miles did they travel?

A. 1,000 miles

B. 1,300 miles

C. 1,400 miles

D. 1,500 miles

C. 1,400 miles

500

Second and Third grade students are competing to sell the most candy bars. In total, they sold 607 candy bars. If second grade sold 384 candy bars, how many bars did third grade sell? Choose the equation and solution that best matches the problem.

A. 384+607=?  Third grade sold 991 bars.

B. 384+607=?  Third grade sold 981 bars.

C. 384+ ? =607  Third grade sold 223 bars.

D. 384+ ? =607  Third grade sold 384 bars.

C. 384+ ? =607  Third grade sold 223 bars.

500

Andy and Eric are keeping track of how many pages they read this week. Andy read 412 pages and Eric read 274 pages. How many more pages did Andy read than Eric?

A. 686 pages

B. 138 pages

C. 262 pages

D. 412 pages

B. 138 pages

500

Anthony had $473. His friend, Natalie, said Anthony had about $480. Is Natalie’s estimate correct? Why or why not?

Natalie's estimate is not correct. Anthony has about $470 because $473 is closer to $470 than it is to $480.

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