Week 8
If the perimeter of an oblong is the same as the perimeter of another oblong will their areas be the same?
Write your prediction. What do you think the answer is?
Carry out an investigation with oblongs that have a 50cm perimeter.
Graph your results.
1. 143 lollies are in the jar. If 88 get eaten how many are left. (Show 2 different ways of solving this)
2. There are 236 children who drove to school by car and 289 children who walked. How many is that altogether?
3. 342 people were watched a show. 279 watched on Friday, the rest on Saturday. How many watched it on Saturday?
4. There are 27 people in Room 28. 2/9 like strawberry icecream and 4/9 like chocolate and the rest liked lime. How many liked each flavour?
5. On Wheels Day 276 children brought something to ride. 4/6 brought a bike. How many was that?
1/6 brought rollerblades so how many brought a skateboard?
6. There are 8 yoghurts in a tray. If the tuckshop buys 16 trays how many yoghurt pottles is that?
7. There are 11 teams entered into a fun games competition. If each team has 14 players how many competitors are there altogether?
8. There are 225 competitors in a touch competition. Each team is allowed only 9 players. How many teams are there?
1. 132 lollies are in the jar. If 76 get eaten how many are left. (Show 2 different ways of solving this)
2. There are 178 children who drove to school by car and 487 children who walked. How many is that altogether?
3. 423 people were watched a show. 186 watched on Friday, the rest on Saturday. How many watched it on Saturday?
4. There are 32 people in Room 28. 2/8 like strawberry icecream and 5/8 like chocolate and the rest liked lime. How many liked each flavour?
5. On Wheels Day 325 children brought something to ride. 3/5 brought a bike. How many was that?
1/5 brought rollerblades so how many brought a skateboard?
6. There are 6 yoghurts in a tray. If the tuckshop buys 14 trays how many yoghurt pottles is that?
7. There are 12 teams entered into a fun games competition. If each team has 13 players how many competitors are there altogether?
8. There are 176 competitors in a touch competition. Each team is allowed only 8 players. How many teams are there?
1. 134 people went into the hall. If 87 sat on one side how many were siting on the other?
2. Room 25 has got 32 children. In their stationery they each get 7 pencils. How many pencils is that altogether?
3. For a fundraiser a local shop has donated altogether an assortment of 276 pencils, pens and rubbers. If Lena is going to put 6 items in each bag to sell how many bags does she need?
4. The farmer has a field 512m2. He wants to fence off a strip that is 7/8 of the field. How big is the strip and how big then is the field?
5. In a mixed packet of ice-blocks there are 6 lime, 4 raspberry and 10 lemonade. How many of each colour would there be in a packet of 50 ice-blocks?
6. A factory is cutting up lengths of wire for tent pegs and an uncut piece of wire is 5m long. How many 200mm pegs will they get out of each piece of wire?
7. 523 people went to the show. 187 people said they didn't like it so how many people did?
8. Tom is 1.4m tall. His little sister is only 897mm tall. How much taller is Tom than his sister?
(Complete any questions not finished from last week forst)
1. Matt wants to sew a shirt. He has 2 pieces of material. One is 398cm long and 89cm wide. The other is 286cm long and 145m wide.
a. What are the perimeters of each of the 2 pieces of material?
b. How much wider is the 2nd piece than the first? (Can you work this put using 2 different strategies?)
c. What is the difference between the perimeters of the 2 pieces?
2. What is the area of a building 17m long by 8m wide?
3. If a farmer's field is 276m2 and the width is 6m how long is it?
4.a. The farmer has sheep, cows and bulls. He wants to keep the ratio of his livestock at 18 : 12 : 2. If he has 48 cows what are the numbers of his other animals?
5. Is 2/3 of a 150m2 paddock bigger or smaller than 3/4 of 120m2 paddock?
Week 3
(Complete the Egyptian tomb exercise)
FInd the perimeter and area of these sports fields and pool.
1. This tennis court is 12m wide and 24m long. What is the perimeter? What is the area? If the strips on either side of the court (which add extra width for the doubles court) are 1m wide, what are the perimeters and areas of each of the different sections? (1, 2, 3, 4, 5)
2. This football pitch is 64m wide and 100m long. What is the perimeter and area of the pitch?
3. This swimming pool is 13 m long and 20m wide. Estimate first then work out the perimeter and area.
4. Work out the areas and perimeters of the rooms in the tomb. What is the total area of all the rooms together.
2
1. The total area of a pool is 136 m . If you know that the width is 8m, work out what the length is.
2. A field has a perimeter of 868m. The total of the 2 length sides is 472. What is the length of the width?