Adding
Subtracting
Rounding
Estimating Sums
Word Problems
100

What is the missing number. 

__ + 9 = 9

What is 0? 

100

What is the correct answer? 

12 - 5 = 

What is 7? 

100

Round to the nearest ten 

63 

What is 60?

100

Round to the nearest ten, then solve. 

28 + 46 =

30 + 50 = 80 

100

Raya is reading a book that is 65 pages long. She has already read 27 pages. How many pages does she have left to read? 

What is 38? 

200

What is the missing number? 

4 + 6 = 6 + __

What is 4?

200

What is the answer? 

11 - 8 = 

What is 3? 
200

Round to the nearest 100.

532

What is 600?

200

Round to the nearest hundred then solve 

198 + 426=

200 + 400 = 600

200

Alex had 56 model cars. He gave his brother 36 of those cars. How many cars does Alex have left? 

20 model cars 

300

What is the missing number? 

(3 +__) + 6 = 3 + (4+6)

What is the number 4?

300

What is the correct answer? 

10-4=

What is 6? 

300

Round to the nearest ten. 

249

What is 250?

300

Round to the nearest ten, then solve. 

579 - 214

580-210=370

300

The Timberwolves scored 68 points in the first half and 74 points in the second half. How many points did the Timberwolves score in all? 

74 + 68 = 142 Points 

400

What is the missing number? 

__ + 8 = 8 + 2

What is the number 2? 

400

What is the correct answer? 

17- 9 = 

What is 8? 
400

Round to the nearest hundred. 

888

What is 900? 
400

Round to the nearest hundred then solve. 

321-112=

300-100=200

400

Tyler bowled two games and scored 68 points in all. During the first game Tyler scored 39 points. How many points did Tyler score in the second game? 

68-39=29 Points

500

True or False

(4+5) + 2 is the same as 9 + 2

What is True?

500

What is the answer? 

I had 14 flags and I sold 8 of them. How many flags do I have left? 

14-8= 6:  6 flags 

500

What number is halfway between 250 and 260? 

What is 255? 

500

Use compatible numbers to solve. 

342-153

numbers that are close to 200 

500

Tia is reading a book that is 85 pages long. She read 35 pages on Monday, and 24 pages on Wednesday. How many pages did she read those two days? 


35 + 24 = 59 pages left