Exact Addition
Write the question in vertical form and solve.
12 + 34
12
+34
46
Write the question in vertical form and solve.
34 - 21
34
- 21
13
Estimate the following numbers to the nearest tens place value then solve.
17 + 34
20 + 30 = 50
Estimate the following numbers to the greatest place value then solve.
46 - 19
50 - 20 = 30
Round the following number to the greatest place value.
341
300
Write the question in vertical form and solve.
37 + 49
37
+49
86
Write the question in vertical form and solve.
52 - 17
52
- 17
35
Estimate the following numbers to the greatest place value then solve.
113 + 75
100 + 80 = 180
Estimate the following numbers to the greatest place value then solve.
228 - 89
200 - 90 = 110
Round the following number to the greatest place value.
46
50
Write the question in vertical form and solve.
212 + 34
212
+34
246
Write the question in vertical form and solve.
500-12
500
- 12
488
Estimate the following numbers to the greatest place then solve.
1,779 + 515
2,000 + 500 = 2,500
Estimate the following numbers to the greatest place then solve.
2,732 - 517
3,000 - 500 = 2,500
Round the following number to the greatest place value.
823
800
Write the question in vertical form and solve.
235+77
235
+77
312
Write the question in vertical form and solve.
377 - 281
377
- 281
96
Estimate the following numbers to the greatest place then solve.
2,157 + 1,313
2,000 + 1,000 = 3,000
Estimate the following numbers to the greatest place then solve.
7,499 - 1,901
7,000 - 2,000 = 5,000
Round the following number to the greatest place value.
1,028
1000
Write the question in vertical form and solve.
1111 + 999
1111
+999
2110
Write the question in vertical form and solve.
1012 - 98
1012
- 98
914
Estimate the following numbers to the greatest place then solve.
71,212 + 1,723
70,000 + 2,000 = 72,000
Estimate the following numbers to the greatest place then solve.
21,212 - 2,333
20,000 - 2000 = 18,000
Round the following number to the greatest place value.
17,023
20,000