Reviewer in Math by: Math Club

Reviewer in Math for Gr.6 by Math Club 2013-2014

A. Write <, >, or = on the blank to make the statement true. ­­­

1. .405_____ .4050

2. .111_____ .0222

3. .099_____ .1000

B. Arrange the following in ascending order.

1. 0.6, 0.6065, 0.6059, 0.6061 ____________________________________                                                                   

2. 12.9, 12.09, 12.91, 12.915   ____________________________________

3. 5, 5.01, 5.1, .502                    ____________________________________

C. Answer the following using the given operation.

1. 420.73 + 423.2
2. 4,246.25 - 3,845.48
3. 39.6 x 3.5
4. 37.6 x 0.01
5. 0.25 / 0.02
6. 7 / 0.14

D. Arrange the following fractions in ascending order.

1. 7/15, 4/15, 11/15, 8/15, 13/15 = ________________________
2. 2/5, 1/4, 4/5, 1/2, 3/4 = _______________________________

E. Express the following ratios in lowest terms.

1. 54: 36 =                            2. 24: 9 =                          3. 7: 33: 42 =                                 4. 45: 63: 72 =

F. Determine which of the following pairs of quantities are in direct or inverse proportion.

­­­­­­­­­­­­                                       1. The number of workers and the time taken to finish a certain job.

                                       2. The speed of a boat and the distance traveled in a certain period of time.

                                       3. The speed of a car and the time required to pass the Ayala Ortigas Tunnel.                                   

                                       4. The number of members in a family and their total expenses.

G. Solve each problem and show your solution.

1. Mr. Chin had 300 eggs. He sold  of them on Sunday and  of the remainder on Monday. How many eggs did he sell on Monday?

2. Nina made 132 sampaguita garlands. She was able to sell 66 garlands by 6’o clock and another  of them after supper. How many garlands was she not able to sell?

3. Paul, Clarence, and Ian have a total of 144 marbles in the ratio 3: 1: 4, respectively. After a few games played, each of the 3 boys have now the same number of marbles. How many marbles did Ian have?

4. The number of organisms in a culture increases in the ratio 6: 5 every 2 hours. At noon, there are

1 500 organisms in a drop placed under a microscope. How many will there be at 2 p.m.?  at 4 p.m.?

 

5. The ratio of the number of English books to the number of Filipino books in the school library was 4:3.

After buying another 24 books each , the ratio became 6: 5. How many English books did the library have at the start?