Mixed Topic Worksheet Grades 1/2/3: Day 042
- 1
Question 1. Here is a triangular prism.
(a) Write down the number of faces of the prism. [1]
(b) Write down the number of edges of the prism. [1]Faces, Edges & Vertices▶ Show worked answerHide worked answer
- (a) B1: 5
- (b) B1: 9
Answer: (a) 5; (b) 9[2 marks] - 2
Question 2. AB and CD are straight lines that cross at E.
Angle AEC = 63^°
Write down the size of angle BED.Opposite Angles▶ Show worked answerHide worked answer
- B1: 63^° (angle BED is opposite angle AEC)
Answer: 63^°[1 mark] - 3
Question 3. The diagram shows five angles round a point.
Work out the size of angle x.Angles Round a Point▶ Show worked answerHide worked answer
- M1: 360 - 64 - 75 - 103 - 58 (angles round a point add up to 360^°)
- A1: 60^°
Answer: 60^°[2 marks] - 4
Question 4. A colony of bacteria doubles in number every hour. The colony starts with 1 bacterium. Work out the number of bacteria after 9 hours.
Powers Greater than Two▶ Show worked answerHide worked answer
- M1: 2⁹
- A1: 512
Answer: 512[2 marks] - 5
Question 5. 50 students each study French or do not study French.
60% of the students are girls.
14 of the boys study French.
26 of the students study French.
Work out the number of girls who study French.Constructing Two-Way Tables▶ Show worked answerHide worked answer
- M1: 60% of 50 = 30 girls and 20 boys
- M1: 26 - 14
- A1: 12
Answer: 12[3 marks]
Mixed Topic Worksheet Grades 1/2/3: Day 042
- 1
Question 1. Here is a triangular prism.
[2 marks]
(a) Write down the number of faces of the prism. [1]
(b) Write down the number of edges of the prism. [1]Faces, Edges & Vertices▶ Show worked answerHide worked answer
- (a) B1: 5
- (b) B1: 9
Answer: (a) 5; (b) 9 - 2
Question 2. AB and CD are straight lines that cross at E.
[1 mark]
Angle AEC = 63^°
Write down the size of angle BED.Opposite Angles▶ Show worked answerHide worked answer
- B1: 63^° (angle BED is opposite angle AEC)
Answer: 63^° - 3
Question 3. The diagram shows five angles round a point.
[2 marks]
Work out the size of angle x.Angles Round a Point▶ Show worked answerHide worked answer
- M1: 360 - 64 - 75 - 103 - 58 (angles round a point add up to 360^°)
- A1: 60^°
Answer: 60^° - 4
Question 4. A colony of bacteria doubles in number every hour. The colony starts with 1 bacterium. Work out the number of bacteria after 9 hours.
[2 marks]Powers Greater than Two▶ Show worked answerHide worked answer
- M1: 2⁹
- A1: 512
Answer: 512 - 5
Question 5. 50 students each study French or do not study French.
[3 marks]
60% of the students are girls.
14 of the boys study French.
26 of the students study French.
Work out the number of girls who study French.Constructing Two-Way Tables▶ Show worked answerHide worked answer
- M1: 60% of 50 = 30 girls and 20 boys
- M1: 26 - 14
- A1: 12
Answer: 12
Mixed Topic Worksheet Grades 1/2/3: Day 042
- 1
Question 1. Here is a triangular prism.
(a) Write down the number of faces of the prism. [1]
(b) Write down the number of edges of the prism. [1]Faces, Edges & Vertices▶ Show worked answerHide worked answer
- (a) B1: 5
- (b) B1: 9
Answer: (a) 5; (b) 9[2 marks] - 2
Question 2. AB and CD are straight lines that cross at E.
Angle AEC = 63^°
Write down the size of angle BED.Opposite Angles▶ Show worked answerHide worked answer
- B1: 63^° (angle BED is opposite angle AEC)
Answer: 63^°[1 mark] - 3
Question 3. The diagram shows five angles round a point.
Work out the size of angle x.Angles Round a Point▶ Show worked answerHide worked answer
- M1: 360 - 64 - 75 - 103 - 58 (angles round a point add up to 360^°)
- A1: 60^°
Answer: 60^°[2 marks] - 4
Question 4. A colony of bacteria doubles in number every hour. The colony starts with 1 bacterium. Work out the number of bacteria after 9 hours.
Powers Greater than Two▶ Show worked answerHide worked answer
- M1: 2⁹
- A1: 512
Answer: 512[2 marks] - 5
Question 5. 50 students each study French or do not study French.
60% of the students are girls.
14 of the boys study French.
26 of the students study French.
Work out the number of girls who study French.Constructing Two-Way Tables▶ Show worked answerHide worked answer
- M1: 60% of 50 = 30 girls and 20 boys
- M1: 26 - 14
- A1: 12
Answer: 12[3 marks]