Rounding
Addition
Subtraction
Subtracting with Zeros
Mix
100
Round to the nearest tens place.
12527
What is 12530?
100
129 + 742
What is 871?
100
435-289
What is 146 ?
100
8,000 - 6,280
What is 1,720
100
There are 23 students in 4-4 , 24 students in 4-2 and 25 students in 4-1.
Ms. Howard counts the number of students in 4-1 and 4-2. She then adds the number of students in 4-4 to get the total number of students in the three classes.
Write an equation to show how Ms. Howard counted the total number of students.
What is (25 + 24) + 23 = n?
200
Round to the nearest thousands place
2364
What is 2000?
200
2,546 + 562
What is 3,565?
200
157-68
What is 89?
200
5,009 -2,973
2,036
200
What is the missing value
What is 4?
300
Round to the nearest hundreds place
587
What is 600?
300
5,432 + 3,495
What is 8,927
300
3846- 1294
What is 2552?
300
10,002 -7,686
What is 2,316
300
16,347 + 17,182 = 
What is 17, 182?
400
Round to the nearest hundreds place
978
What is 1000?
400
12,538 + 37,293
What is 49,831?
400
15,876- 12,936
What is 2940
400
12,000 -9999
2,001
400
1589 +2544 +7376
What is 11,509?
500
Round to the hundred thousands place. 275,123
300,000
500
158,304 +294,173
What is 452,477?
500
392,754-257,694
What is 135,060?
500
540,001 - 397,625
142,376
500
123 + 456 + 789
1,368