Question

1.

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

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


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

4.
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
PROBLEM and WORK
5.
5. Find the difference of the following problem:
8,631 - 5,950
6.
6. Find the product of the following problem:
724 x 17
7.
7. Find the quotient of the following problem: 14÷6,230

ANSWER
PROBLEM and WORK
8.
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
9.
9. Write seven tenths as a decimal.
10.
10. Line up the decimal points, then add. Write zeros as needed.
36.9 + 7.35

ANSWER
PROBLEM and WORK
11.
11. Line up the decimal points, then subtract. Write zeros as needed.
9.61 - 0.268
12.
12. Set up the problem and then multiply. Write zeros as needed.
419.2x 2.54

ANSWER
PROBLEM and WORK
13.
13. Set up the problem and then divide.
12.86÷ 0.4
14.
14. Put the following values in order from least to greatest.
0.31, 1.24, 0.031, 0.5, 0.124

ANSWER
PROBLEM and WORK
15.
15. Marie purchased a new refrigerator. She needs to make 36 monthly payments of $29.95. What is the total price of the refrigerator?
16.
16. Write the following fraction in simplest terms.
24
__
32

ANSWER
PROBLEM & WORK
17.
17. Use the lowest common denominator to add the following fractions. Give the final answer in simplest terms.
3 1
__ + __
4  8
18.
18. Use the lowest common denominator to subtract the following fractions. Give the final answer in simplest terms.
13 2
5 __ - 1 __
 15 3
ANSWER
PROBLEM and WORK
19.
19. Multiply the following fractions. Give the final answer in simplest terms.
4 5
__ x __
7 12
20.
20. What is the reciprocal of
4
__
9 ?
21.
21. Divide the following fractions. Give the final answer in simplest terms.
3 9
__ ÷ __
5 10

ANSWER
PROBLEM and WORK
22.
22. Write a fraction for the ratio of 5 boys to 8 girls
23.
23. Change 27% to a fraction.
24.
24. Change to a decimal.
16
__
50
25.
25. A stereo that usually sells for $300 is on sale for 15% off. What is the price of the stereo after the 15% discount?



Answer 1

1. The 4 is in the thousands place

2. 50

3. 2,168 + 305 = 2473

4. estimate 156 + 235

160 + 240 = 400

5. 8,631 - 5,950 = 2,681

6. 724 * 17 = 12,308

7. 14÷6,230 = 2.25×

8. 962÷ 39

960÷ 40 = 24

9. .7

10. 36.90

+7.35

-----------

44.25

11. 9.610

-0.268

----------

9.342

12. 419.2

x 2.54

-------------

16768

209600

838400

--------------

1064.768



13. 4 (pretend sqrt sign is division sign

-0

--------

12

-12

--------

08

- 8

--------

06

-4

----------

20

-20

--------

0

answer: 32.150

14. least to greatest: 0.031, 0.124, 0.31, 0.5, 1.24

15. 29.95

x 36

-----------

17970

- 89850

-----------

107820

Explanation:

Answer 2

1. The 4 is in the thousands place
2. 50
3. 2,168 + 305 = 2473
4. estimate 156 + 235
160 + 240 = 400
5. 8,631 - 5,950 = 2,681
6. 724 * 17 = 12,308
7. 14÷6,230 = 2.25×
`10^(-3)`
8. 962÷ 39
960÷ 40 = 24
9. .7
10. 36.90
+7.35
-----------
44.25

11. 9.610
-0.268
----------
9.342

12. 419.2
x 2.54
-------------
16768
209600
838400
--------------
1064.768

13. 4
`√(128.600)` (pretend sqrt sign is division sign
-0
--------
12
-12
--------
08
- 8
--------
06
-4
----------
20
-20
--------
0
answer: 32.150
14. least to greatest: 0.031, 0.124, 0.31, 0.5, 1.24
15. 29.95
x 36
-----------
17970
- 89850
-----------
107820