Saturday, September 10, 2016

Word Problems : Area and Perimeter


1. A man has a square garden and he needs to put up a fence all the way around. Each side is 12m long. How far is it around the edge of the garden? 

a) area or perimeter   b) __________________________

2. Emma uses a piece of string to measure the distance around a regular pentagon. The total  distance is 85cm, how long is each side?

a) area or perimeter   b) __________________________

3. A rectangular picture frame is two times as long as it is wide. If it is 28cm wide, what is the length of the frame and what is the distance all the way round the frame? 
  
a) area or perimeter   b) length:_________   c) ______________________

4. Gina uses some ribbon to go round 4 rectangular gift boxes . Each box is 40cm long and 30cm wide how much ribbon does she need for each box and for all the boxes? 

a) area or perimeter   b) 1 box:_________   c) 4 boxes_________________

5.Tom has a square garden which has a side length of 40 m 
   Calculate the area of the garden. _______________________

6. Tom would like to construct a square swimming pool with a side length of 20m in the center of the garden.
Calculate the area of the swimming pool. ________________

7, If Tom were to construct the swimming pool, would the area of the garden remain the same? What would it be?

________________________________________________

8. Instead Tom decided to build a playpen in his garden for his new puppy. The length of the area was 6 meters and the width was 4 meters. What is the area of the playpen which he built for his puppy?
____________________________

9. As Tom will need to build a fence around the playpen. what is the perimeter of the playpen?

_____________________________________


Wednesday, September 7, 2016

Changing Fractions into Decimals - Part I

Getting started :Converting Fractions to Decimals


Can you see a pattern?

7/10  = 0.7

6/100 = 0.06

3 9/10 = 3.9

6 9/100 = 6.09

19/1,000 = 0.019



Convert these fractions to decimals

http://www.dadsworksheets.com/v1/Worksheets/Fractions%20as%20Decimals/Convert-Fraction-to-Decimal-Drills-1_V1.html

A. Convert these fractions to decimals.

   1/4      3/4    4/5     3/5     2/4     2/3   2/5  1/5    1/2

B. Solve these word problems.

1.Bob packed twenty grapes and a pear in his lunch. He ate thirteen grapes and the pear. 
1.1What fraction of the grapes did Bob eat?1.2 Convert the fraction into a decimal.


2.Terri, Samantha, and Jodi each bought shoes for the prom. Terri and Jodi bought shoes with heels. Samantha bought flats. 


2.1What fraction of the girls bought shoes with heels?
2.2 Convert the fraction into a decimal.


3. For track practice, runners were supposed to walk or run twenty laps. 

Sara jogged 3/4 of the laps. Jacob jogged 3/5 of the laps. Sierra jogged 1/2 of the laps. 

3.1How many laps did each student run?

Sara/Jacob/Sierra

3.2 List the runners in order from least to greatest number of laps they ran.

3.3 Convert the fractions into decimals.

Sara 3/4

Jacob 3/5

Sierra  1/2





    
              




Math Antics - Fractions and Decimals