Mixed Topic Worksheet Grades 1/2/3: Day 023
- 1
Question 1. The diagram shows four lines that meet at O.
Work out the size of angle AOD.Angle Notation▶ Show worked answerHide worked answer
- M1: angle AOD = angle AOB + angle BOC + angle COD = 35 + 28 + 42
- A1: 105^°
Answer: 105^°[2 marks] - 2
Question 2. The diagram shows a straight line.
Work out the size of angle x.Angles on a Straight Line▶ Show worked answerHide worked answer
- M1: 180 - 75 - 40 (angles on a straight line add up to 180^°)
- A1: 65^°
Answer: 65^°[2 marks] - 3
Question 3. A triangle has two equal angles of 67^°. Work out the size of the third angle of the triangle.
Triangle Angle & Side Facts▶ Show worked answerHide worked answer
- M1: 180 - 67 - 67 (the angles in a triangle add up to 180^°)
- A1: 46
Answer: 46°[2 marks] - 4
Question 4. Two buses leave a bus station at the same time.
One bus leaves every 10 minutes.
The other bus leaves every 25 minutes.
Work out how many minutes later the two buses next leave the bus station at the same time.Finding the Lowest Common Multiple▶ Show worked answerHide worked answer
- M1: multiples of 10 and of 25, or the LCM of 10 and 25
- A1: 50
Answer: 50[2 marks] - 5
Question 5. Mia thinks of a number.
She adds 6, then divides by 3.
Her answer is 8.
What number did Mia start with?Fundamentals of Solving Equations▶ Show worked answerHide worked answer
- M1: 8 x 3 = 24
- A1: 24 - 6 = 18
Answer: 18[2 marks]
Mixed Topic Worksheet Grades 1/2/3: Day 023
- 1
Question 1. The diagram shows four lines that meet at O.
[2 marks]
Work out the size of angle AOD.Angle Notation▶ Show worked answerHide worked answer
- M1: angle AOD = angle AOB + angle BOC + angle COD = 35 + 28 + 42
- A1: 105^°
Answer: 105^° - 2
Question 2. The diagram shows a straight line.
[2 marks]
Work out the size of angle x.Angles on a Straight Line▶ Show worked answerHide worked answer
- M1: 180 - 75 - 40 (angles on a straight line add up to 180^°)
- A1: 65^°
Answer: 65^° - 3
Question 3. A triangle has two equal angles of 67^°. Work out the size of the third angle of the triangle.
[2 marks]Triangle Angle & Side Facts▶ Show worked answerHide worked answer
- M1: 180 - 67 - 67 (the angles in a triangle add up to 180^°)
- A1: 46
Answer: 46° - 4
Question 4. Two buses leave a bus station at the same time.
[2 marks]
One bus leaves every 10 minutes.
The other bus leaves every 25 minutes.
Work out how many minutes later the two buses next leave the bus station at the same time.Finding the Lowest Common Multiple▶ Show worked answerHide worked answer
- M1: multiples of 10 and of 25, or the LCM of 10 and 25
- A1: 50
Answer: 50 - 5
Question 5. Mia thinks of a number.
[2 marks]
She adds 6, then divides by 3.
Her answer is 8.
What number did Mia start with?Fundamentals of Solving Equations▶ Show worked answerHide worked answer
- M1: 8 x 3 = 24
- A1: 24 - 6 = 18
Answer: 18
Mixed Topic Worksheet Grades 1/2/3: Day 023
- 1
Question 1. The diagram shows four lines that meet at O.
Work out the size of angle AOD.Angle Notation▶ Show worked answerHide worked answer
- M1: angle AOD = angle AOB + angle BOC + angle COD = 35 + 28 + 42
- A1: 105^°
Answer: 105^°[2 marks] - 2
Question 2. The diagram shows a straight line.
Work out the size of angle x.Angles on a Straight Line▶ Show worked answerHide worked answer
- M1: 180 - 75 - 40 (angles on a straight line add up to 180^°)
- A1: 65^°
Answer: 65^°[2 marks] - 3
Question 3. A triangle has two equal angles of 67^°. Work out the size of the third angle of the triangle.
Triangle Angle & Side Facts▶ Show worked answerHide worked answer
- M1: 180 - 67 - 67 (the angles in a triangle add up to 180^°)
- A1: 46
Answer: 46°[2 marks] - 4
Question 4. Two buses leave a bus station at the same time.
One bus leaves every 10 minutes.
The other bus leaves every 25 minutes.
Work out how many minutes later the two buses next leave the bus station at the same time.Finding the Lowest Common Multiple▶ Show worked answerHide worked answer
- M1: multiples of 10 and of 25, or the LCM of 10 and 25
- A1: 50
Answer: 50[2 marks] - 5
Question 5. Mia thinks of a number.
She adds 6, then divides by 3.
Her answer is 8.
What number did Mia start with?Fundamentals of Solving Equations▶ Show worked answerHide worked answer
- M1: 8 x 3 = 24
- A1: 24 - 6 = 18
Answer: 18[2 marks]