To find common multiples
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1 To find common multiples 5/8/207
2
3 Learning Objective To know to find and extend number sequences and patterns 5/8/207
4 Single machines INPUT PROCESSOR OUTPUT Imagine that we have a robot to help us make patterns
5 / _ 4 _ 6 _
6 2/ _ 3 _ 5 _
7 3/ _ 75 _ 200 _
8 4/ _ 49 _ 64 _
9 5/ _ 29 _ 33 _
10 6/ _ 44 _ 50 _
11 7/ _ 28 _ 36 _
12 quare Numbers Number in sequence Number st 2 nd 4 3 rd 9 4 th 6
13 Square Numbers Number in sequence Number 5 th 25 or 5 x 5 6 th 36 or 6 x 6 7 th 49 or 7 x 7 8 th 64 or 8 x 8 x th 2 x x x or x
14 3 Triangular Numbers 6 Find the next 5 and describe the pattern Use your white boards and/or the squared paper. 0 5, 2, 28, 36, 45.x?
15 No in sequence Number , 2, 28, 36, 45.x?
16 st/ x 2 = 2 2 nd/ 2 x 3 = 6 3 rd/ 3 x 4 = 2 4 th/ 4 x 5 = 20
17 This is the 4 th in the sequence 4 x 5 = 20 (4 x 5) x ½ = 20 x ½ = 0
18 This is the 4 th in the sequence 4 x 5 = 20 (4 x 5) x ½ = 20 ½ = 0 So what about the x th number in the sequence? x x (x +) ½
19 / 2/ x x 2 (x x 2) - 3/ x x 25 4/ x 2 5/ (x x 4) + 6/ (x x 6) + 2 7/ x x (x +) x ½
20 To order decimals with a mixture of, 2 and 3dp. 5/8/207
21 Learning Objective To represent and interpret information in a pie chart.
22 Hmmmmm..Pie!
23 L.O Can you read a pie chart? Success Criteria By the end of the lesson can you.. put a percentage next to a pie chart section? match the result to the section on a pie chart? work out the number that each section of a pie chart represents?
24 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured red?
25 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured red?
26 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured blue?
27 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured blue?
28 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured Purple?
29 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured Purple?
30 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured orange?
31 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured orange?
32 The method for answering questions such as this is quite simple. What fraction of the pie chart is coloured red? 4 Count the number of sections that is on the chart. Write this number on the bottom of a fraction. Count the number of sections you are being asked about. Write this number on the top of the fraction.
33 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured blue?
34 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured blue?
35 The method for answering questions such as this is quite simple. What fraction of the pie chart is coloured blue? 3 6 or 2 Split up all sections so that they are made up of the same sized pieces and count them. Write this number on the bottom of a fraction. Count the number of sections you are being asked about. Write this number on the top of the fraction.
36 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured red?
37 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured red?
38 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured green?
39 Select the correct answer for each of the shape questions below. What fraction of the pie chart is coloured green?
40 Write down how many letters in your first name on a post it note. Create a circle by lining up with people who have the same amount of letters as us. What is the mode? What is the least common?
41 Interpreting Pie Charts This pie chart shows how 20 children got to school. A) How many children walk to school? Can you show your answer As a fraction, decimal and Percentage? B) How many children catch the bus to school? C) How many children get a lift to school?
42 Interpreting Pie Charts This pie chart shows how 80 children got to school. A) How many children prefer xbox? Can you show your answer As a fraction, decimal and Percentage? B) How many children prefer Playstation 3? C) How many children prefer DS?
43 Interpreting Pie Charts This pie chart shows 40 children s favourite lessons. A) How many children s favourite lesson is ICT? B) How many children s favourite lesson is Games? C) How many children s favourite lesson is Literacy? Can you show your answer As a fraction, decimal and Percentage? D) How many more children like ICT than Literacy? E) What fraction of the children prefer Maths?
44 Interpreting Pie Charts This pie chart shows 20 children s favourite sport. A) How many children s favourite sport is Football? B) How many children s favourite sport is basketball? Can you show your answer As a fraction, decimal and Percentage? C) If there were twice as many children in the survey how many children s favourite sport would be swimming? D) What fraction of the children liked badminton the most?
45 Learning Objective To find the mean, median, mode and range from a list of numbers. 5/8/207
46 The average age of the 32. oldest starting line-ups in a World Cup game: When Germany played Iran in the 998 finals in France, the average age was 3 years and 345 days.
47 MEAN The sum of all the values divided by the number of values = 5 40 = 5 8
48 MEDIAN The median is the middle value when they are arranged in size order
49 MODE The mode is the most common value
50 RANGE The range is difference between the highest and lowest value = 8
51 Simplified Fractions To simplify a fraction, we find an equivalent fraction which uses the smallest numbers possible. We do this by dividing. We need to know our tables for this! Ask yourself, what can I divide both 24 and 40 by? 8 is the biggest number we can divide both by and 3/5 uses the smallest possible numbers as we cannot divide them by anything else.
52 Simplified Fractions 9/2 8/0 6/9 2/8 5/40 20/24 8/30 2/28 4/42 36/00
53 Learning Objective To find Prime Factors 5/8/207
54 Definition Product An answer to a multiplication problem. 7 x 8 = 56 Product
55 Definition Factor a number that is multiplied by another to give a product. 7 x 8 = 56 Factors
56 Definition Factor a number that divides evenly into another = 7 Factor
57 What are the factors? 6 x 7 = 42 7 x 9 = 63 8 x 6 = 48 4 x 9 = 36 6 & 7 7 & 9 8 & 6 4 & 9
58 What are the factors? 42 7 = = = =
59 Definition Prime Number a number that has only two factors, itself and. 7 7 is prime because the only numbers that will divide into it evenly are and 7.
60 Examples of Prime Numbers 2, 3, 5, 7,, 3, 7, 9 Special Note: One is not a prime number.
61 Definition Composite number a number that has more than two factors. 8 The factors of 8 are, 2, 4, 8
62 Examples of Composite Numbers 4, 6, 8, 9, 0, 2, 4, 5 Special Note: Every whole number from 2 on is either composite or prime.
63 Our Lonely It is not prime because it does not have exactly two different factors. It is not composite because it does not have more than 2 factors. Special Note: One is not a prime nor a composite number.
64 Definition Prime Factorization A way to write a composite number as the product of prime factors. 2 x 2 x 3 = 2 or 2 2 x 3 = 2
65 How to Do Prime Factorization Using a Factor Tree Step Start with a composite number. 48 Step 2 Write down a multiplication problem that equals this number or any pair of factors of this number. 6 x 8 = 48
66 How to Do Prime Factorization Using a Factor Tree Step 3 Find factors of these factors. 6 x 8 = 48 2 x 3 x 2 x 4 = 48
67 How to Do Prime Factorization Using a Factor Tree Step 4 Find factors of these numbers until all factors are prime numbers. 6 x 8 = 48 2 x 3 x 2 x 4 = 48 2 x 3 x 2 x 2 x 2 = 48
68 How to Do Prime Factorization Using a Factor Tree Step 5 Write the numbers from least to greatest. 6 x 8 = 48 2 x 3 x 2 x 2 x 2 = 48 2 x 2 x 2 x 2 x 3 = 48
69 How to Do Prime Factorization Using a Factor Tree Step 6 Count how many numbers are the same and write exponents for them. 6 x 8 = 48 2 x 3 x 2 x 2 x 2 = 48 2 x 2 x 2 x 2 x 3 = x 3 = 48
70 Prime factor this number 4 2 x 2 = = 4
71 Prime factor this number 6 2 x 3 = 6
72 Prime factor this number 8 2 x 4 = 8 2 x 2 x 2 = = 8
73 Prime factor this number 9 3 x 3 = = 9
74 Prime factor this number 0 2 x 5 = 0
75 Prime factor this number 2 3 x 4 = 2 3 x 2 x 2 = 2 2 x 2 x 3 = x 3 = 2
76 Prime factor this number 4 2 x 7 = 4
77 Prime factor this number 5 3 x 5 = 5
78 Prime factor this number 6 4 x 4 = 6 2 x 2 x 2 x 2 = = 6
79 Prime factor this number 8 3 x 6 = 8 3 x 2 x 3 = 8 2 x 3 x 3 = 8 2 x 3 2 = 8
80 Prime factor this number 20 4 x 5 = 20 2 x 2 x 5 = x 5 = 20
81 Prime factor this number 2 3 x 7 = 2
82 Prime factor this number 22 2 x = 22
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