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Whiteboardmaths.com © 2004 All rights reserved 5 7 2 1

3 3 3 3 4 4 4 4 5 5 5 5 6 6 6 6 NUMBER ALGEBRA SHAPE SPACE & M HANDLING DATA 3 3 3 3 SHAPE and SPACE HANDLING DATA 4 4 4 4 SHAPE and SPACE HANDLING DATA 5 5 5 5 SHAPE and SPACE HANDLING DATA 6 6 6 6 SHAPE and SPACE HANDLING DATA

The numbers in the circles must add up to 100 in total The numbers in the circles must add up to 100 in total. What is the value of the missing number? 15 20 ? 10 25 Back to board Answer

The numbers in the circles must add up to 100 in total The numbers in the circles must add up to 100 in total. What is the value of the missing number? 15 20 30 10 25 Back to board

Estimate the proportion of the rectangle that is coloured red as: (a) A fraction and (b) A percentage. Back to board Answer

Estimate the proportion of the rectangle that is coloured red as: (a) A fraction and (b) A percentage. (a) 1/5 (b) 20% Back to board Explain?

Estimate the proportion of the rectangle that is coloured red as: (a) A fraction and (b) A percentage. 1 out of 5 20 out of 100 (a) 1/5 (b) 20% Back to board

What percentage of each shape is shaded blue? Back to board Answer

What percentage of each shape is shaded blue? 36 % 40 % Back to board Explain?

What percentage of each shape is shaded blue? 4/10 = 40% 36/100 = 36% 36 % 40 % Back to board

Express £12 as a percentage of £20. Back to board Answer

Express £12 as a percentage of £20. 60% Back to board Explain?

Express £12 as a percentage of £20. 60 ? = 20 100 60% x5 Back to board

Work out the missing numbers in each equation. (b) 4 x 300 = ? Back to board Answer

Work out the missing numbers in each equation. 13 (b) 4 x 300 = ? 1200 Back to board

Ollie said that a formula for the number of strips of wood in any diagram is: “Multiply the diagram number by 3 and add 1. How many strips of wood are in the 8th diagram? 1 2 3 4 7 10 Back to board Answer

Ollie said that a formula for the number of strips of wood in any diagram is: “Multiply the diagram number by 3 and add 1. How many strips of wood are in the 8th diagram? 1 2 3 4 7 10 25 Back to board Explain?

Ollie said that a formula for the number of strips of wood in any diagram is: “Multiply the diagram number by 3 and add 1. How many strips of wood are in the 8th diagram? 1 2 3 4 7 10 25 3 x 8 + 1 = 25 Back to board

? (a) How many balls are in the next pattern? (b) What is the name of this number sequence? ? Back to board Answer

? 9 Square Numbers (a) How many balls are in the next pattern? (b) What is the name of this number sequence? 6 x 6 5 x 5 4 x 4 ? Square Numbers 9 Back to board

Write down an expression for the perimeter of the rectangular marble slab. Back to board Answer

Write down an expression for the perimeter of the rectangular marble slab. Back to board Explain?

Write down an expression for the perimeter of the rectangular marble slab. x + 3x + 2 + x + 3x + 2 = 8x + 4 Back to board

How many lines of symmetry does the shape below have? Back to board Answer

3 How many lines of symmetry does the shape below have? Back to board Explain?

How many lines of symmetry does the shape below have? 3 Back to board

Snoopy drew the octagon on 1 cm square paper Snoopy drew the octagon on 1 cm square paper. Work out the area of the octagon. Hippo said that it is a regular octagon. Is he right? Back to board Answer

No. The sides are not all equal in length. Snoopy drew the octagon on 1 cm square paper. Work out the area of the octagon. Hippo said that it is a regular octagon. Is he right? Area = 28 cm2 No. The sides are not all equal in length. Back to board Explain?

Area = 28 cm2 No. The sides are not all equal in length. Back to board Snoopy drew the octagon on 1 cm square paper. Work out the area of the octagon. Hippo said that it is a regular octagon. Is he right? Area = 28 cm2 24 whole squares + 8 half squares = 28 squares No. The sides are not all equal in length. Back to board

What is the order of rotational symmetry for the shape shown? Back to board Answer

Order 4 What is the order of rotational symmetry for the shape shown? Back to board Explain?

Order 4 What is the order of rotational symmetry for the shape shown? 3 4 2 1 Order 4 Back to board

Estimate the bearing of each aircraft from the centre of the radar screen. W E B C S Back to board Answer

Estimate the bearing of each aircraft from the centre of the radar screen. W E B C 240o 135o S Back to board Explain?

Estimate the bearing of each aircraft from the centre of the radar screen. Bearings are: Measured from North In a clockwise direction Using 3 figures W B C 240o 135o S Back to board

Use the pictogram to work out how many pets year 3 children had. Key:  Stands for 4 pets Year 2  Year 3  Year 4  Year 5  Year 6  Back to board Answer

Use the pictogram to work out how many pets year 3 children had. Key:  Stands for 4 pets Year 2  Year 3  Year 4  Year 5  Year 6  24 Back to board

The number of matches in six (full) boxes was counted The number of matches in six (full) boxes was counted. What is the mode and range for this data. 50 52 49 51 52 52 Back to board Answer

The number of matches in six (full) boxes was counted The number of matches in six (full) boxes was counted. What is the mode and range for this data. 50 52 49 51 52 52 Mode = 52 Range = 3 Back to board Explain?

The number of matches in six (full) boxes was counted The number of matches in six (full) boxes was counted. What is the mode and range for this data. The mode is the most frequent value. 50 52 49 51 52 52 Mode = 52 Range = 3 Range = largest value – smallest value (52 - 49) Back to board

+ 1 2 3 4 5 6 The outcome table shows the scores for throwing 2 dice. What is the probability of getting a score of 8? 1 2 3 4 5 6 7 2 3 4 5 6 7 8 3 4 5 6 7 8 9 4 5 6 7 8 9 10 5 6 7 8 9 10 11 6 7 8 9 10 11 12 Back to board Answer

+ 1 2 3 4 5 6 The outcome table shows the scores for throwing 2 dice. What is the probability of getting a score of 8? 1 2 3 4 5 6 7 2 3 4 5 6 7 8 3 4 5 6 7 8 9 4 5 6 7 8 9 10 5 6 7 8 9 10 11 5/36 6 7 8 9 10 11 12 Back to board Explain?

5 wanted outcomes out of a total of 36. + 1 2 3 4 5 6 The outcome table shows the scores for throwing 2 dice. What is the probability of getting a score of 8? 1 2 3 4 5 6 7 2 3 4 5 6 7 8 3 4 5 6 7 8 9 4 5 6 7 8 9 10 5 6 7 8 9 10 11 5/36 6 7 8 9 10 11 12 Back to board

Describe the type of correlation in each of the cases shown. Height Soup Sales Shoe Size Temperature Shoe Size Annual Income Back to board Answer

Describe the type of correlation in each of the cases shown. Height Soup Sales Shoe Size Temperature Shoe Size Annual Income Negative Positive None Back to board