Computation Review-Addition and Subtraction

Addition

100

Find the sum of:

78+21

99

200

Find the sum of:

278+23

301

300

Find the sum of:

8,343+68

8,411

400

Find the sum of:

19,599+48

19,647

500

Find the sum of:

1,492,942+295

1,493,237

Addition-Decimals

100

Find the sum of:

7.2+2.6

9.8

200

Find the sum of:

18.23+2.8

21.03

300

Find the sum of:

832.987+9

841.987

400

Find the sum of:

5,821.123+2.32

5,823.443

500

19+5,301.12

5,320.12

Subtraction

100

Find the difference of:

27-15

12

200

Find the difference of:

456-129

327

300

Find the difference of:

9,712-253

9,459

400

Find the difference of:

92,712-12,391

80,321

500

Find the difference of:

3,852,741-12,345

3,840,396

Subtraction-Decimals

100

Find the difference of:

8.8-2.5

6.3

200

Find the difference of:

12.82-10.96

1.86

300

Find the difference of:

783.91-8

775.91

400

Find the difference of:

6,782-34.2102

6,747.7898

500

Find the difference of:

2,938.09-1,456.7315

1,481.3585

Misc.

100

Identify the variable in:

3x+2

x

200

Identify the coefficient in:

3x+2

3

300

Identify the constant in:

3x+2

2

400

What does PEMDAS help you do in math?

Tells you the order in which to do mathematical operations.

500

Combine like terms:

3x+6-2x+18+10x

11x+24