Mixed Topic Worksheet Grades 1/2/3: Day 066
- 1
Question 1. Write down the number of lines of symmetry of a square.
Lines of Symmetry▶ Show worked answerHide worked answer
- B1: 4 lines of symmetry (two through midpoints of opposite sides, two diagonals)
Answer: 4[1 mark] - 2
Question 2. A bag contains 9 red counters and 4 blue counters.
One counter is taken at random.
Work out the probability that the counter is red.Fundamentals of Probability▶ Show worked answerHide worked answer
- B1: dfrac913 from 9 red out of 13 counters in total
Answer: dfrac913[1 mark] - 3
Question 3. Use the lattice method to work out 58 × 36
Lattice Method for Multiplication▶ Show worked answerHide worked answer
- M1: a 2 by 2 lattice with 15, 24, 30 and 48 in the cells
- M1: the diagonals added, with the carries
- A1: 2088
Answer: 2088[3 marks] - 4
Question 4. Ann says that dfrac95 is less than 1.85 Is Ann correct? You must show your working.
Converting Improper Fractions to Decimals▶ Show worked answerHide worked answer
- M1: 9 ÷ 5 = 1.8
- A1: 1.8 < 1.85 so Ann is correct
Answer: Yes, dfrac95 = 1.8 and 1.8 < 1.85[2 marks] - 5
Question 5. Ravi wants to find out the favourite sport of the pupils in his school.
He asks the 30 pupils in the school football team.
Give two reasons why his sample is biased.Identifying Biased Samples▶ Show worked answerHide worked answer
- B1: e.g. football team players are more likely to choose football
- B1: e.g. the team may be from only some year groups, or be all boys or all girls
Answer: e.g. team players are likely to choose football; not every year group or gender is included[2 marks]
Mixed Topic Worksheet Grades 1/2/3: Day 066
- 1
Question 1. Write down the number of lines of symmetry of a square.
[1 mark]Lines of Symmetry▶ Show worked answerHide worked answer
- B1: 4 lines of symmetry (two through midpoints of opposite sides, two diagonals)
Answer: 4 - 2
Question 2. A bag contains 9 red counters and 4 blue counters.
[1 mark]
One counter is taken at random.
Work out the probability that the counter is red.Fundamentals of Probability▶ Show worked answerHide worked answer
- B1: dfrac913 from 9 red out of 13 counters in total
Answer: dfrac913 - 3
Question 3. Use the lattice method to work out 58 × 36
[3 marks]Lattice Method for Multiplication▶ Show worked answerHide worked answer
- M1: a 2 by 2 lattice with 15, 24, 30 and 48 in the cells
- M1: the diagonals added, with the carries
- A1: 2088
Answer: 2088 - 4
Question 4. Ann says that dfrac95 is less than 1.85 Is Ann correct? You must show your working.
[2 marks]Converting Improper Fractions to Decimals▶ Show worked answerHide worked answer
- M1: 9 ÷ 5 = 1.8
- A1: 1.8 < 1.85 so Ann is correct
Answer: Yes, dfrac95 = 1.8 and 1.8 < 1.85 - 5
Question 5. Ravi wants to find out the favourite sport of the pupils in his school.
[2 marks]
He asks the 30 pupils in the school football team.
Give two reasons why his sample is biased.Identifying Biased Samples▶ Show worked answerHide worked answer
- B1: e.g. football team players are more likely to choose football
- B1: e.g. the team may be from only some year groups, or be all boys or all girls
Answer: e.g. team players are likely to choose football; not every year group or gender is included
Mixed Topic Worksheet Grades 1/2/3: Day 066
- 1
Question 1. Write down the number of lines of symmetry of a square.
Lines of Symmetry▶ Show worked answerHide worked answer
- B1: 4 lines of symmetry (two through midpoints of opposite sides, two diagonals)
Answer: 4[1 mark] - 2
Question 2. A bag contains 9 red counters and 4 blue counters.
One counter is taken at random.
Work out the probability that the counter is red.Fundamentals of Probability▶ Show worked answerHide worked answer
- B1: dfrac913 from 9 red out of 13 counters in total
Answer: dfrac913[1 mark] - 3
Question 3. Use the lattice method to work out 58 × 36
Lattice Method for Multiplication▶ Show worked answerHide worked answer
- M1: a 2 by 2 lattice with 15, 24, 30 and 48 in the cells
- M1: the diagonals added, with the carries
- A1: 2088
Answer: 2088[3 marks] - 4
Question 4. Ann says that dfrac95 is less than 1.85 Is Ann correct? You must show your working.
Converting Improper Fractions to Decimals▶ Show worked answerHide worked answer
- M1: 9 ÷ 5 = 1.8
- A1: 1.8 < 1.85 so Ann is correct
Answer: Yes, dfrac95 = 1.8 and 1.8 < 1.85[2 marks] - 5
Question 5. Ravi wants to find out the favourite sport of the pupils in his school.
He asks the 30 pupils in the school football team.
Give two reasons why his sample is biased.Identifying Biased Samples▶ Show worked answerHide worked answer
- B1: e.g. football team players are more likely to choose football
- B1: e.g. the team may be from only some year groups, or be all boys or all girls
Answer: e.g. team players are likely to choose football; not every year group or gender is included[2 marks]