Adding and Subtracting

- across zeros

100

2,000 - 856

1,144

200

7,000 - 5,238

1,762

300

4,000 - 2,812

1,188

addition

100

Find the sum:

4,598 + 2,392

6,990

200

Find the sum:

28,412 + 33,687

62,099

300

Find the sum:

12,345 + 56,119 + 10,387

78,851

subtraction

100

Find the difference:

5,218 - 3,959

1,259

200

Find the difference:

22,345 - 16,856

5,489

300

Find the difference:

87,245 - 22,768

64,477

Problem solving

100

Which of the following is true?

A.  2,345 + 1,113 = 3,458

B.  2,345 - 1,813 = 1,522

C.  3,000 - 1,652 = 1,348

A and C

200

Estimate the total number of miles by rounding to the nearest thousand then adding:

3,479 + 5,216 + 7,823

16,000 miles

300

Enter the missing digits to complete the subtraction problem:

10,567 - 3,628 = 6,_3_

6,939