XP Math - Forums - View Single Post - 5th Grade Quiz #1
12-28-2011   #7
Redfirex
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Quote:
 Originally Posted by Jonathan W 1.) 4,521 x 613 = A 1,771,373 B 1,871,373 C 2,871,373 D 2,771,373 2.) 4/5 - 1/2 = A 3/10 B 2/5 C 1/10 D 3/5 3.) How many integers between 1 and 50 contain the digit 3? A 12 B 14 C 15 D 18 4.) A middle school has 116 students enrolled in four classes. If there is an equal number of students in each class, what is a way to determine the number of students in 6th grade? A subtract 4 from 116 B add 116 to 4 C divide 116 by 4 D multiply 116 by 4 5.) The price of shirts in a store is \$20 and the price of ties in the same store is \$15. A customer buy 2 shirts and 3 ties during a sale when the price of shirts is discounted 15% and the price of ties is discounted 10%. How much did the customer save due to the sale? A \$10.50 B \$11.00 C \$11.50 D \$12.00 6.) If n is an odd integer, which of the following must be an even integer? A n - 1 B 2n + 1 C 2n - 1 D n - 2 7.) Sorry, needs picture. 8.) The price of wheat was \$5/bushel on January 2007 and \$9/bushel on January 2008. By what percentage did the price change? A 20% B 40% C 60% D 80% 9.) Which of the following is equivalent to 42/9? A 21/5 B 42/3 C 14/9 D 14/3 10.) Sorry, needs picture.
1.) 4,521 x 613 = 2,771,373 (B)

Work: 4,521
613
------
13563
45210
+ 2712600
---------
2771373

2.) 4/5 - 1/2 = 3/10 (A)

Work: 4/5 = 8/10
- 1/2 = 5/10
----------------
3/10

3.) 14 (B)

The digits are: 3, 13, 23, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 43

4.) Divide 116 by 4. (C)

There is 29 children in 6th grade.

5.) The customer saved \$10.50 due to the sale. (A)

Work: \$6.00 + \$4.50 = \$ 10.50

6.) If n is an odd integer than n - 1 must be an even integer. (A)

Example: If n = 31 (Odd Number) than 31 - 1 = 30 (Even Number)

7.) Not available.

8.) It changed less than 50% so C and D are not the answer. It changed almost 50% so it changed 40%. (B)

9.) 42/9 = 14/3. (D)

Work: You have 42/9. Divide the numerator and the denominator by 3. You get 14/3

10.) Not available.

Last edited by Redfirex; 12-29-2011 at 03:20 PM.. Reason: Mistake in spelling.