1. Copyright © Texas Education Agency, 2015. All rights reserved..

2. Answer the following questions on a sheet of paper. 1. Calculate the sum of 1/2 + 1/4 =_______. 2. Calculate the difference of 9.325 - 6.150 = _______. Copyright © Texas Education Agency, 2015. All rights reserved.

3. There are several important terms and definitions students need to know. 1. Complete Manufacturing Math Terms and Definitions. 2. Students may work in groups. Copyright © Texas Education Agency, 2015. All rights reserved.

4. The lines on this illustration represent the following measurements in sequence: 1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, and 1 inch.

5. Copyright © Texas Education Agency, 2015. All rights reserved. A.A. B.B. C.C.

6. Like Fractions 5 + 4 = 9 2 2 2 Unlike Fractions 3 + 7 = 6 + 7 = 13 4 8 8 8 8 Copyright © Texas Education Agency, 2015. All rights reserved.

7. Like Fractions 5 + 10 = __ 4 4 Unlike Fractions 2 + 1 = __ 9 3 Copyright © Texas Education Agency, 2015. All rights reserved.

8. Like Fractions _7 - _4 = 3 13 13 13 Unlike Fractions 4 - 5 = 28 - 25 = _3 5 7 35 35 35 Copyright © Texas Education Agency, 2015. All rights reserved.

9. Like Fractions 14 - _2 = ___ 15 15 Unlike Fractions 1 - 3 = __ 2 7 Copyright © Texas Education Agency, 2015. All rights reserved.

10. EXAMPLE 5.275 + 8.374 13.649 PRACTICE PROBLEMS A) 4.162 B) 0.334 C) 6.476 + 3.219 +4.375 +2.097 Copyright © Texas Education Agency, 2015. All rights reserved.

11. EXAMPLE 71.547 - 60.894 10.653 PRACTICE PROBLEMS A) 15.536B) 57.874 C) 89.365 - 12.234 - 45.309 - 72.631 Copyright © Texas Education Agency, 2015. All rights reserved.

12. In the manufacturing workplace, sometimes it is necessary to calculate and convert a fraction into a decimal number. This can be easily done on a calculator, for example: Enter 1/2 as 1 divided by 2 =.5 1/8 =.12 7/16 =.4375 3/4 =.75 Copyright © Texas Education Agency, 2015. All rights reserved.

13. Calculate 1. Find a number and multiply that number with the denominator of a fraction to make the denominator equal to 10, 100, 1000, or any 1 followed by 0s. 2. Multiply both the numerator and the denominator by that number. 3. Next, write down only the top number, put the decimal point in the correct spot (one space from the right hand side for every zero in the bottom number).

14. EXAMPLE 3 x 25 = _75 =.75 4 25 100 PROBLEMS: Convert the fractions to decimals. A) 3/8 = ____ B) 11/16 = _____ C) 5/8 = ____