Add, subtract, multiply, or divide the following decimals. (Be sure to watch the sign.)

Addition

1. Addition Equation

2. Addition Equation

3. Addition Equation

4. Addition Equation

Subtraction

5. Subtraction Equation

6. Subtraction Equation

Multiplication

7. 3.278 × 0.145

8. 5,037 × 0.0196

9. 784.3 × 16.88

Division

10. 0.03125 ÷ 4.125

11. 525.4 ÷ 0.035

Identify the following fractions as either proper or improper.

12. 6⁄ 8

13. 10⁄ 9

Convert the following mixed numbers to improper fractions.

14. 2 3⁄ 4

15. 4 5⁄ 7

Convert the following improper fractions to mixed numbers.

16. 12⁄ 8

17. 19⁄ 6