Wednesday
April 16, 2014

Homework Help: Math

Posted by Silika on Sunday, July 1, 2012 at 9:59pm.

1. Write the place name for the 4 in the following number: 3,624,786

Answer: Thousand

2. Round the following number to the nearest ten: 53

Answer: 5

3. Find the sum of the following problem:
2,168 + 305

Answer: 2473

4. Estimate the sum of the following problem to the nearest hundreds place. Make sure the answer represents an estimation of the numbers listed, not the exact solution.
156 + 235

Answer: The hundred pace is 3.

5. Find the difference of the following problem:
8,631 - 5,950

Answer: 2681

6. Find the product of the following problem: 724 x 17

Answer: 12308

7. Find the quotient of the following problem:14 6,230

Answer: 445

8. Estimate the quotient by rounding both numbers to the nearest tens place. Make sure the answer represents an estimation of the numbers listed,not the exact solution.
962 39

Answer:24.67

9. Write seven tenths as a decimal.

Answer: .7

10. Line up the decimal points, then add. Write zeros as needed.
36.9 + 7.35

Answer: 44.25

11. Line up the decimal points, then subtract. Write zeros as needed.
9.61 - 0.268

Answer: 9.342

12. Set up the problem and then multiply. Write zeros as needed.
419.2 x 2.54

Answer: 1064.768

13. Set up the problem and then divide.
12.86 0.4

Answer: 32.15

14. Put the following values in order from least to greatest.
0.31, 1.24, 0.031, 0.5, 0.124

Answer: 0.031,0.124, 0.31, 0.5, 0.124

15. Marie purchased a new refrigerator. She needs to make 36 monthly payments of $29.95. What is the total price of the refrigerator?

Answer: $1078.2

16. Write the following fraction in simplest terms. 24/32:

Answer: 3/4

17. Use the lowest common denominator to add the following fractions. Give the final answer in simplest terms. 3/4 + 1/8:

Answer: 7/8

18. Use the lowest common denominator to subtract
the following fractions. Give the final answer in simplest terms. 5 13/15 - 1 2/3:

Answer: 4 1/5

19. Multiply the following fractions. Give the final answer in simplest terms.
4/7 x 5/12

Answer: 5/21

20. What is the reciprocal of 4/9?
Answer: 9/4

21. Divide the following fractions. Give the final answer in simplest terms.
3/5 9/10.

Answer: 2/3

22. Write a fraction for the ratio of 5 boys to 8 girls

Answer: 5:8

23. Change 27% to a fraction.

Answer:27/100

24. Change50/16to a decimal.

Answer:0.32

25. A stereo that usually sells for $300 is on sale for15% off. What is the price of the stereo after the
15% discount?

Answer:$255

Ms. Sue can you please check all the answer? I have written them right after every question. Please give me the right answers as well. I might have 2 or 3 questions wrong.

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