click below
click below
Normal Size Small Size show me how
Awesome Study Stack
Different Math Problems
Question | Answer |
---|---|
Find the Least Common Multiple (LCM). 1. 20 and 30= ____________ | 60 |
2. 5, 15, and10= ___________ | 15 |
Use the table to answer question 3-5. Item Number Per Pack Sodas 12 Invitations 30 Cups 10 Plates 24 Napkins 15 Balloons 5 | |
3. What is the LCM for the plates and the balloons? ___________ | 120 |
4. The LCM for two of the items on the table is 60. What are theses two items? A. Cups and Balloons B. Balloons and Plates C. Napkins and Invitations D. Sodas and Cups | D.Sodas and Cups |
5. What is the LCM for all the items on the table? A.85 B.120 C.90 D.100 | B.120 |
Estimate each sum or difference by rounding to 0 1/2 or 1. 6. 7/8 + 2/4=________ | 1 1/2 |
7. 4/10 +3/4- 5/10=_________ | 1/2 |
8.4 2/3 – 1 3/11= __________ | 4 |
9.4/5 + 3/4 = ____________ | 2 |
10. 5/12 – 3/11 = _________ | 0 |
Find the reciprocal. 11. 2/3= ________ | 3/2 |
12. 3/4 = _________ | 4/3 |
13. 3/2 = __________ | 2/3 |
14. 1/2 = ________ | 2/1 |
15. 4/5 = | 5/4 |
16.Write each mixed number as an improper fraction. 16. 5 3/4 = | 23/4 |
17. 3 1/3 = | 10/3 |
Write each improper fraction as a mixed number or a whole number. 18.23/6= | 3 5/6 |
19. 50/7 | 7 1/7 |
20. 100/25= | 4 |