Saturday, 12 May 2012

Perimeter and Area problems


Mixed Perimeter and Area problems

  

Area


Area

 

The area of a shape is how much surface it has.  Areas can be measured in mm squared, cm squared and m squared.
 


Exercise 2

Find the area of the following compound shapes:

1)          

Perimeter


Perimeter 

Exercise 1

Calculate the perimeter of the following:

1.   

Monday, 7 May 2012

Time - The 24-hour clock

Using the 24 hour clock: Reading Time tables.

 
 
 
 

 

Time: a.m. and p.m.

a.m and p.m.

The day is split into two halves

 12 noon to 12 midnight = p.m.
12 midnight to 12 noon = a.m.


Exercise 2

Write the times


 

 

Time - The Clock


The Clock

Memorise:

 
The clock

60 seconds = 1 minute, 60 minutes = 1hour, 24 hours = 1 day


Exercise 1 

Division


Division

1.              96 ÷ 6

Find the cost to the nearest penny of:


Word Problems

Using Calculator


Mixed

You can use a calculator for these:

Multiplication


Multiplication Square

X
1
2
3
4
5
6
7
8
9
10
1
1
2
3
4
5
6
7
8
9
10
2
2
4
6
8
10
12
14
16
18
20
3
3
6
9
12
15
18
21
24
27
30
4
4
8
12
16
20
24
28
32
36
40
5
5
10
15
20
25
30
35
40
45
50
6
6
12
18
24
30
36
42
48
54
60
7
7
14
21
28
35
42
49
56
63
70
8
8
16
24
32
40
48
56
64
72
80
9
9
18
27
36
45
54
63
72
81
90
10
10
20
30
40
50
60
70
80
90
100


Long Multiplication
Exercise 2

 

Quick Check

Making Sure

1.    Find the area of a rectangle 120m by 60m 

Probability


Probability is a measure or estimate of the likelihood of an event happening;


Examples uses of probability in life include:

Mean, Median, Mode and Range problems


1) Find the range, median, modal and mean rainfall values for the time period below: 

 




 

Mean, Median, Mode and Range


The Mean

The mean of a set of numbers is the average value of the set.

Wednesday, 2 May 2012

Tuesday, 1 May 2012

Numbers Quick Check


Quick Mental maths  

1.   

10.              

4. 

Square and Cube Numbers

A square number is a number multiplied by itself. Square root is the opposite of square numbers.

Saturday, 28 April 2012

Fractions, Decimals and Percentages

Fractions, Decimals and Percentages

Using Percentages


Using Percentages

Percentages are frequently used in everyday life to find e.g. sums of money or some other quantities like how many children out of the whole class have free school meals.

 

Exercise 1
 

Exercise 2
Complete the word problems below:

Sunday, 22 April 2012

Carroll Diagram


Carroll Diagram

LO: To use Carroll diagram to sort numbers
To use tests of divisibility to estimate and check results  

 

Problem Solving Steps


Problem solving steps

You need to understand any task before you can successfully complete it, this is particularly important in mathematical problem solving. 

What to do

1.   

Saturday, 21 April 2012

Venn Diagram

LO: To use Venn diagram to sort numbers

To use tests of divisibility to estimate and check results

Subtracting numbers


Subtracting numbers

Prime Numbers


LO: to recognise and describe prime numbers

Prime numbers are positive integers which are divisible by themselves and one alone.

 

 

Tuesday, 10 April 2012

Division rules for age 10

Divisibility test

 

LO: to use divisibility rules

Adding Decimals for age 10

LO: to add decimals

4.2 + 3.25                 0.45 + 8+ 23.6 

Procedure:

1.    line up the points
2.    write the numbers with decimal points