Sunday, October 23, 2016

Measurement & Volume




I can find the volume of an object using the formulas V = l x w x h and V = b x h.

Volume = length x width x height



Volume
1 a.

Find the volume of this rectangular prism.

unit is cm

 

 



 

 
2 a.

Find the volume of this rectangular prism.

unit is cm

 

 


 

 
3 a.

Find the volume of this rectangular prism.

unit is cm

 

 

.

 

 

https://www.ixl.com/math/grade-5/volume-of-cubes-and-rectangular-prisms

https://www.ixl.com/math/grade-5/volume-of-irregular-figures-made-of-unit-cubes

https://learnzillion.com/lesson_plans/8556-use-multiplication-v-l-x-w-x-h-to-find-the-volume-of-a-solid-figure

Sunday, October 16, 2016

Maths Homework : Fractions,decimals and percentage

1. In the school car park, 73% of the cars were national cars and 0.71 were imported cars. Which cars had a larger percentage?


2. Thais and Laura were reading their library books.
Thais read 0.63 of her book and Laura read 58% of hers.
Who read more?


 3.   Murillo visited 32% of his favorite websites. Martin visited 0.35 of his favorite websites and Matias visited a 1/3 of his favorite websites.  Who visited a greater percentage of websites?

4.       Spelling  Test Results (maximum score 100 %)
Student
Fraction
Decimal
Percentage
A
40%
B
1/3
C
0.66
D
1/2
80%
E
8/10


a.   Who got the highest score? 
b.   Who got the lowest score?
c.   Who got the second highest score?



Friday, October 7, 2016

Word Problems: Fractions,Decimals and Percentage.


 1. At Shane's car park, 64% of the cars were blue. Across the street, 0.6 of the cars parked at Felix's car park were blue. Which car park had a greater percentage of blue cars?              

2. Nancy and Devon are trying to finish their math homework before their favorite TV show starts. Nancy finishes 0.5 of her problems. Devon finishes 47% of her problems. Who finishes a greater percentage of her problems in time?

 3.   Mitch visited 55% of his favorite websites. Robert visited 0.57 of his favorite websites. Who visited a greater percentage of his favorite websites?


 4.           Test Results (maximum score 100 %)
Student
Fraction
Decimal
Percentage
A


50%
B

0.66

C
3/5


D


80%
E
9/10




a.   Who got the highest score? 

b.   Who got the lowest score?

c.   Who got the second highest score?

d.   Who got 6% more than student C?

e.   Who got 30% less than the highest score?






Tuesday, October 4, 2016

Convert Decimals to Percentages

                        Convert the decimal numbers below to a percentage

Still have doubts? Go back and watch the videos as many times as necessary.

Remember to copy the decimal numbers.

1.  0.815 

2.  0.051 

3.  8.064 

4.  3.69 

5.  0.0743 

6.  7.05 

7.  0.007 

8.  3.009 

Challenge Yourself!

9. Which of the following two options are correct?

a. 50% + 0.04 = 0.5004
b. 50% + 0.04 = 0.54
c. 50% + 0.04 = 50.04%
d. 50% + 0.04 = 54%

10. Which of the following two options are correct?

a. 7% + 3.5 = 3.57
b.. 7% + 3.5 = 0.105
c. 7% + 3.5 = 10.5%
d. 7% + 3.5 = 357%

http://www.mathsisfun.com/converting-decimals-percents.html

Math Antics - What Are Percentages?