Addition
Subtraction
Estimation
Word Problems
Add, Sub, Both?
100

4,102 + 28 =

What is      4,130.

100

967 - 123= 

What is 844.

100

Estimate the difference: 1,325 - 501

What is 500. 

100

Yun, Cam, and Amilia are saving their Halloween candy to built a new house for Hansel and Gretel. Yun has 452 and Amilia has 709.  How many fewer pieces of candy does Yun have?

What is 257.

100

Mr. Glynn had 257 hula hoops in the gym. He gave 42 to another school. Then was given 126. What is the total number of hula hoops he has in the gym now.

Do we need to add, subtract or both?  Then solve.

What is both and 341.  

200

7,654 + 321 =

What is 7,975.

200

526- 97?

What is 429.

200

What is the best estimate for the sum of 7,529 and 2,297?

What is 10,000.

200

Raina, Zach, and Niam earned 612 points in an acting contest. Then earned 321 more points in a sing-off competition.  How many points do they have now?

What is 933 points.

200

In third grade, Max, Cameron, and Maddox counted 33 girls, 34 boys and 8 teachers. How many teachers and students are there altogether?

Add, Subtract, or Both? Solve. 

What is add and 75 altogether.

300

693 + 428 = 

What is 1,121.

300

6,000 - 3,456 =

What is 2,544.

300

Logan, Ava, and Rhim collected 439 leaves. Nolan and Arjun gave them 201 more. About how many leaves were collected?

What is about 600. 

300

At the beginning of the day, Niam, Serena and Braxton counted 387 books in the library. By the end of the day, 211 had been returned and 154 had been checked out. How many books were in the library by the end of the day?

What is 444 books. 

300

Tanishi and Anishi counted 45 ducklings in the water and 53 ducklings resting in the grass. The zoologist brought 12 ducklings inside for a health check.  How many ducklings were left outside?   

Add, Subtract, both. Then solve.

What is both and 86 ducklings. 

400

There are 29 species of reptiles at the Norfolk Zoo. There are 15 species at the Richmond Zoo.  How many species of reptiles are there in total?

What is 44 reptiles in all.

400

8,765 - 7,324 = 

What is 1,441.

400

Does the following require an estimation or an exact answer?  What is the correct answer?

Cameron, Caleb, and Aarav saw 109 animals in outside habitats and 238 in inside habitats. Approximately how many animals did they see?  

What is estimation and about 300. 

400

Aarya, Nayana, and Allison went on a 591 mile train ride. If they traveled 126 miles on Monday, and 293 miles on Tuesday. How many miles did they have left to travel?

What is 172 miles.

400

Lucy and Aarav identified 57 animal adaptations at the zoo. About how many more adaptations do they need to find to reach 100?

Add, Subtract or both? Then, solve the question. 

What is subtract and about 40 adaptations. 

500

Which two addend pairs with the sum be 500. 

A. 425 + 75

B. 400 + 105

C. 250 + 250

D. 275 + 125

What is A 425 + 75 and C  250 + 250.

500

9,000 - 3,333 = 

What is 5,667.

500

An estimation for 4,528 + 2,172 is:

A. a little more than 6,000

B. a little less than 7,000

C. a little less than 6,000

D. A little more than 7,000

What is a little less than 7000.

500

Avery read 5,729 minutes, Sayesha and Sofya read   3,379 minutes combined this month. What is the best estimate for the sum of time that they read this month. 

What is about 9,000 minutes. 

500

Mrinvi collected 309 dollars for the fundraiser and Ella collected 122 dollars. Roman collected 251 dollars for the fundraiser and Jack collected 149 dollars. Who collected more, the boys or the girls and by how much?

Add, Subtract or Both. Then, solve.

What is both and girls by 31 dollars.