Test 1 MAT 1012 Fall 2008 Name________________________
Simplify all answers and show your work!
1. _______________________ is a shortcut for repeated addition.
2. The numerator of a fraction tells us ______________________________________________________.
3. What is a common denominator for
12
1
5
9
2
3+? ___________ 4. Fill in the blank:
40
8
3=
5. _______________________ is a shortcut for repeated subtraction.
6. In order to add or subtract fractions/mixed numbers, they must have a common ______________________.
7. Draw a picture that represents
4
3
3 8. Write
7
2
6 as an improper fraction.
9. Write
8
49 as a mixed number.
10. Find the prime factorization of 24. 11. Find all factors of 20.
12. Write
56
24 in lowest terms. 13. Add:
24
11
24
5+ 14. Subtract:
15
8
15
13 −
15. Add:
8
7
6
5
+
16. Subtract:
36
5
9
5
−
17. Add:
9
4
4
12
7
3
+
18. Subtract:
4
1
6
9
−
19. Subtract:
2
1
5
8
1
8
−
