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YEAR SEVEN Mathex 2007 Team Question 1 Calculate: a 1 + 2 + 3 + 4 + 5 + ... …+ 16 + 17 + 18 + 19 + 20= _____________________________ b 8042 x 500 = ___________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 1 Calculate: a 1 + 2 + 3 + 4 + 5 + ... …+ 16 + 17 + 18 + 19 + 20= _____________________________ b 8042 x 500 = ___________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 1 Calculate: a 1 + 2 + 3 + 4 + 5 + ... …+ 16 + 17 + 18 + 19 + 20= _____________________________ b 8042 x 500 = ___________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 2 A swimmer leaves the North Island at 12:30pm on 30th May, and arrives on the shores of the South Island at 2:15am on 1st June. How long in hours and minutes did the swim take? YEAR SEVEN Mathex 2007 Team Question 2 A swimmer leaves the North Island at 12:30pm on 30th May, and arrives on the shores of the South Island at 2:15am on 1st June. How long in hours and minutes did the swim take? YEAR SEVEN Mathex 2007 Team Question 2 A swimmer leaves the North Island at 12:30pm on 30th May, and arrives on the shores of the South Island at 2:15am on 1st June. How long in hours and minutes did the swim take? YEAR SEVEN Mathex 2007 Team Question 3 B C 30 o x If this shape is symmetrical about the dotted line, what is the size in degrees of angle, x which is angle ADC ? D A YEAR SEVEN Mathex 2007 Team Question 3 B C 30 o If this shape is symmetrical about the dotted line, what is the size in degrees of angle, x which is angle ADC? x D A YEAR SEVEN Mathex 2007 Team Question 3 B 30 o x D A C If this shape is symmetrical about the dotted line, what is the size in degrees of angle, x which is angle ADC? YEAR SEVEN Mathex 2007 Team Question 4 Three consecutive numbers add to 33. What is the product of those same three numbers? YEAR SEVEN Mathex 2007 Team Question 4 Three consecutive numbers add to 33. What is the product of those same three numbers? YEAR SEVEN Mathex 2007 Team Question 4 Three consecutive numbers add to 33. What is the product of those same three numbers? YEAR SEVEN Mathex 2007 Team Question 5 100 stones are placed on the ground 2 metres apart, the first being 2 metres from a basket. If the basket and all the stones are in a straight line, how far does a person travel, who starts from the basket and brings the stones in one by one? YEAR SEVEN Mathex 2007 Team Question 5 100 stones are placed on the ground 2 metres apart, the first being 2 metres from a basket. If the basket and all the stones are in a straight line, how far does a person travel, who starts from the basket and brings the stones in one by one? YEAR SEVEN Mathex 2007 Team Question 5 100 stones are placed on the ground 2 metres apart, the first being 2 metres from a basket. If the basket and all the stones are in a straight line, how far does a person travel, who starts from the basket and brings the stones in one by one? YEAR SEVEN Mathex 2007 Team Question 6 Write down the simplest name for: a One thousandth of a metre _______________________________________________ b One thousand metres ___________________________________________________ c One thousand grams ____________________________________________________ YEAR SEVEN Mathex 2007 Team Question 6 Write down the simplest name for: a One thousandth of a metre _______________________________________________ b One thousand metres ___________________________________________________ c One thousand grams ____________________________________________________ YEAR SEVEN Mathex 2007 Team Question 6 Write down the simplest name for: a One thousandth of a metre _______________________________________________ b One thousand metres ___________________________________________________ c One thousand grams ____________________________________________________ YEAR SEVEN Mathex 2007 Team Question 7 Order the following numbers from smallest to largest. 1 3 , 63%, 1 2 , 32%, 0.6. YEAR SEVEN Mathex 2007 Team Question 7 Order the following numbers from smallest to largest. 1 3 , 63%, 1 2 , 32%, 0.6. YEAR SEVEN Mathex 2007 Question 7 Order the following numbers from smallest to largest. 1 3 , 63%, 1 2 , 32%, 0.6. Team YEAR SEVEN Mathex 2007 Team Question 8 The final result was 100. What was the original number if the instructions had been: “Think of a number, square it, add 1, then double your answer.” YEAR SEVEN Mathex 2007 Team Question 8 The final result was 100. What was the original number if the instructions had been: “Think of a number, square it, add 1, then double your answer.” YEAR SEVEN Mathex 2007 Question 8 The final result was 100. What was the original number if the instructions had been: “Think of a number, square it, add 1, then double your answer.” Team YEAR SEVEN Mathex 2007 Team Question 9 Which 3 of the following numbers add to 1. 7 20 , 2 7 , 2 5 , 1 9 , 1 4 , 1 2 . YEAR SEVEN Mathex 2007 Team Question 9 Which 3 of the following numbers add to 1. 7 20 , 2 7 , 2 5 , 1 9 , 1 4 , 1 2 . YEAR SEVEN Mathex 2007 Question 9 Which 3 of the following numbers add to 1. 7 20 , 2 7 , 2 5 , 1 9 , 1 4 , 1 2 . Team YEAR SEVEN Mathex 2007 Team Question 10 A hat and a coat together cost $140. The coat costs $90 more than the hat. How much does the hat cost? YEAR SEVEN Mathex 2007 Team Question 10 A hat and a coat together cost $140. The coat costs $90 more than the hat. How much does the hat cost? YEAR SEVEN Mathex 2007 Team Question 10 A hat and a coat together cost $140. The coat costs $90 more than the hat. How much does the hat cost? YEAR SEVEN Mathex 2007 Team Question 11 Write down the next two numbers in these sequences a 1, 3, 6, 10, __, __. b 1, 1, 2, 3, 5, __, __. YEAR SEVEN Mathex 2007 Team Question 11 Write down the next two numbers in these sequences a 1, 3, 6, 10, __, __. b 1, 1, 2, 3, 5, __, __. YEAR SEVEN Mathex 2007 Question 11 Write down the next two numbers in these sequences a 1, 3, 6, 10, __, __. b 1, 1, 2, 3, 5, __, __. Team YEAR SEVEN Mathex 2007 Team Question 12 What is the smallest number divisible by 2, 5, and 9? YEAR SEVEN Mathex 2007 Team Question 12 What is the smallest number divisible by 2, 5, and 9? YEAR SEVEN Mathex 2007 Question 12 What is the smallest number divisible by 2, 5, and 9? Team YEAR SEVEN Mathex 2007 Team Question 13 1 3 is 1 2 of it. What is the number? YEAR SEVEN Mathex 2007 Team Question 13 1 3 is 1 2 of it. What is the number? YEAR SEVEN Mathex 2007 Question 13 1 3 is 1 2 of it. What is the number? Team YEAR SEVEN Mathex 2007 Team Question 14 Which digit in the following number, when replaced with a 0, leaves a number which is a multiple of 3? 22614 YEAR SEVEN Mathex 2007 Team Question 14 Which digit in the following number, when replaced with a 0, leaves a number which is a multiple of 3? 22614 YEAR SEVEN Mathex 2007 Team Question 14 Which digit in the following number, when replaced with a 0, leaves a number which is a multiple of 3? 22614 YEAR SEVEN Mathex 2007 Team Question 15 Irene Van Dyk had an 80% goal shooting success rate in the Silver Ferns’ Netball game against Australia. If she missed 9 shots, how many did she score? YEAR SEVEN Mathex 2007 Team Question 15 Irene Van Dyk had an 80% goal shooting success rate in the Silver Ferns’ Netball game against Australia. If she missed 9 shots, how many did she score? YEAR SEVEN Mathex 2007 Team Question 15 Irene Van Dyk had an 80% goal shooting success rate in the Silver Ferns’ Netball game against Australia. If she missed 9 shots, how many did she score? YEAR SEVEN Mathex 2007 Team Question 16 On a scale drawing a swimming pool measures 5cm wide and 12.5cm long. If the scale is 1cm = 2m, what is the actual perimeter of the pool? YEAR SEVEN Mathex 2007 Team Question 16 On a scale drawing a swimming pool measures 5cm wide and 12.5cm long. If the scale is 1cm = 2m, what is the actual perimeter of the pool? YEAR SEVEN Mathex 2007 Team Question 16 On a scale drawing a swimming pool measures 5cm wide and 12.5cm long. If the scale is 1cm = 2m, what is the actual perimeter of the pool? YEAR SEVEN Mathex 2007 Team Question 17 If an isosceles triangle has 2 interior angles of 55 degrees, what is the size in degrees of the other angle? YEAR SEVEN Mathex 2007 Team Question 17 If an isosceles triangle has 2 interior angles of 55 degrees, what is the size in degrees of the other angle? YEAR SEVEN Mathex 2007 Team Question 17 If an isosceles triangle has 2 interior angles of 55 degrees, what is the size in degrees of the other angle? YEAR SEVEN Mathex 2007 Team Question 18 A year 7 class has a spelling test of 10 words each week, and one child achieves the following results over the term: 9, 8, 6, 8, 9, 10, 1, 8, 9, 10. For these results give: a the mean _____________________________________________________________ b an outlier ____________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 18 A year 7 class has a spelling test of 10 words each week, and one child achieves the following results over the term: 9, 8, 6, 8, 9, 10, 1, 8, 9, 10. For these results give: a the mean _____________________________________________________________ b an outlier ____________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 18 A year 7 class has a spelling test of 10 words each week, and one child achieves the following results over the term: 9, 8, 6, 8, 9, 10, 1, 8, 9, 10. For these results give: a the mean _____________________________________________________________ b an outlier ____________________________________________________________ YEAR SEVEN Mathex 2007 Team Question 19 A car travelled 180km in 3 hours and 20 minutes. What was its average speed? YEAR SEVEN Mathex 2007 Team Question 19 A car travelled 180km in 3 hours and 20 minutes. What was its average speed? YEAR SEVEN Mathex 2007 Team Question 19 A car travelled 180km in 3 hours and 20 minutes. What was its average speed? YEAR SEVEN Mathex 2007 Team Question 20 On a school trip to the seaside there needs to be 6 adults for every 15 children. How many adults will be required for 25 children? YEAR SEVEN Mathex 2007 Team Question 20 On a school trip to the seaside there needs to be 6 adults for every 15 children. How many adults will be required for 25 children? YEAR SEVEN Mathex 2007 Team Question 20 On a school trip to the seaside there needs to be 6 adults for every 15 children. How many adults will be required for 25 children? YEAR SEVEN/EIGHT Mathex 2009 Team Question Tie Breaker Trevor has a batting average of 22 runs from his first 6 cricket games. How much will he need to score in his 7th game to increase his average to 35 runs? YEAR SEVEN/EIGHT Mathex 2009 Team Question Tie Breaker Trevor has a batting average of 22 runs from his first 6 cricket games. How much will he need to score in his 7th game to increase his average to 35 runs? YEAR SEVEN/EIGHT Mathex 2009 Team Question Tie Breaker Trevor has a batting average of 22 runs from his first 6 cricket games. How much will he need to score in his 7th game to increase his average to 35 runs?
