math 4th grade practice

2. Mr. Cruz bought 3 pocket books for P37.85 each and 6 posters for P21.75 each. How much was his change if he gave the cashier a 1000 peso bill?

3.    Find the area of square with sides 12 cm.

4.    Attendance at a craft show dropped from 1420 last year to 1209 this year. What was the percent of decrease in attendance to the nearest percent?

5. A map scale shows that 1 cm equals 8 km. About how long would a section of high way be that is 4.5 cm on the map?

6.    25% of what number is 35?

6.    25% of what number is 35?

7.  Allen’s grades in math for the first three quarters are 88,86 and 84. What grade must he get in the fourth quarter to get an average of 87?

8.   Subtract twice 17 from the sum of 33 and 47.

9. During a sale. Anne paid P1,512.00 for a dress marked P1,800.00. What percent is the discounts?

10. What is the greatest common factor or GCF of 6 and 27?