Addition
Word Problems
Round then solve
Subtraction
Subtract across zeros
100
13 + 12 + 9
34
100
The population of Hondo is 8,293. The population of Devine is 9,392. The population of Castroville is 2,394. Which city has the greatest number of people?
Devine
100
312 + 27; tens
340
100
19,203 - 493
18,710
100
608 - 45
563
200
11 + 19 + 28
58
200
There are 112 students in 3rd grade, 191 students in 4th grade, and 206 students in 5th grade. What is the best estimate of the total number of students at Woolls Intermediate?
500 students
200
1,561 + 305; hundreds
1,900
200
5,493 - 1,287
4,206
200
2,006 - 536
1,470
300
17 + 22 +38
77
300
I have 89 cents in my pocket. My friend has 23 cents in his pocket. How many more cents do I have than my friend?
66 cents
300
37,215 - 6,972; thousands
30,000
300
479 - 292
187
300
903 - 791
112
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