Mixed Topic Worksheet Grades 1/2/3: Day 088
- 1
Question 1. A hall has 8 rows of 12 chairs. 9 of the chairs are taken out. The chairs that are left are put into 3 equal groups. Work out the number of chairs in each group.
BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: 8 × 12 = 96
- M1: 96 - 9 = 87
- A1: 87 ÷ 3 = 29
Answer: 29[3 marks] - 2
Question 2. A number is truncated to 1 decimal place. The answer is 4.7.
Which of these could the number be?
4.65 4.69 4.74 4.81Truncating Decimals▶ Show worked answerHide worked answer
- B1: cao
Answer: 4.74[1 mark] - 3
Question 3. Simplify 3a + 5b - a + 2b
Collecting Like Terms▶ Show worked answerHide worked answer
- B1: 2a
- B1: 7b
Answer: 2a + 7b[2 marks] - 4
Question 4. A scale drawing of a ship uses a scale of 1 cm to 3 m.
The ship is 7 cm long on the drawing.
Work out the real length of the ship.Scale Drawings▶ Show worked answerHide worked answer
- M1: 7 × 3
- A1: 21
Answer: 21 m[2 marks] - 5
Question 5. Nia says that the mean of 4, 6, 8 and 12 is 8 because 8 is halfway between 4 and 12.
Is Nia correct?
Give a reason for your answer.Mean from a List▶ Show worked answerHide worked answer
- M1: (4 + 6 + 8 + 12) / 4 = 30 / 4
- A1: No, the mean is 7.5
Answer: No, the mean is 7.5[2 marks]
Mixed Topic Worksheet Grades 1/2/3: Day 088
- 1
Question 1. A hall has 8 rows of 12 chairs. 9 of the chairs are taken out. The chairs that are left are put into 3 equal groups. Work out the number of chairs in each group.
[3 marks]BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: 8 × 12 = 96
- M1: 96 - 9 = 87
- A1: 87 ÷ 3 = 29
Answer: 29 - 2
Question 2. A number is truncated to 1 decimal place. The answer is 4.7.
[1 mark]
Which of these could the number be?
4.65 4.69 4.74 4.81Truncating Decimals▶ Show worked answerHide worked answer
- B1: cao
Answer: 4.74 - 3
Question 3. Simplify 3a + 5b - a + 2b
[2 marks]Collecting Like Terms▶ Show worked answerHide worked answer
- B1: 2a
- B1: 7b
Answer: 2a + 7b - 4
Question 4. A scale drawing of a ship uses a scale of 1 cm to 3 m.
[2 marks]
The ship is 7 cm long on the drawing.
Work out the real length of the ship.Scale Drawings▶ Show worked answerHide worked answer
- M1: 7 × 3
- A1: 21
Answer: 21 m - 5
Question 5. Nia says that the mean of 4, 6, 8 and 12 is 8 because 8 is halfway between 4 and 12.
[2 marks]
Is Nia correct?
Give a reason for your answer.Mean from a List▶ Show worked answerHide worked answer
- M1: (4 + 6 + 8 + 12) / 4 = 30 / 4
- A1: No, the mean is 7.5
Answer: No, the mean is 7.5
Mixed Topic Worksheet Grades 1/2/3: Day 088
- 1
Question 1. A hall has 8 rows of 12 chairs. 9 of the chairs are taken out. The chairs that are left are put into 3 equal groups. Work out the number of chairs in each group.
BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: 8 × 12 = 96
- M1: 96 - 9 = 87
- A1: 87 ÷ 3 = 29
Answer: 29[3 marks] - 2
Question 2. A number is truncated to 1 decimal place. The answer is 4.7.
Which of these could the number be?
4.65 4.69 4.74 4.81Truncating Decimals▶ Show worked answerHide worked answer
- B1: cao
Answer: 4.74[1 mark] - 3
Question 3. Simplify 3a + 5b - a + 2b
Collecting Like Terms▶ Show worked answerHide worked answer
- B1: 2a
- B1: 7b
Answer: 2a + 7b[2 marks] - 4
Question 4. A scale drawing of a ship uses a scale of 1 cm to 3 m.
The ship is 7 cm long on the drawing.
Work out the real length of the ship.Scale Drawings▶ Show worked answerHide worked answer
- M1: 7 × 3
- A1: 21
Answer: 21 m[2 marks] - 5
Question 5. Nia says that the mean of 4, 6, 8 and 12 is 8 because 8 is halfway between 4 and 12.
Is Nia correct?
Give a reason for your answer.Mean from a List▶ Show worked answerHide worked answer
- M1: (4 + 6 + 8 + 12) / 4 = 30 / 4
- A1: No, the mean is 7.5
Answer: No, the mean is 7.5[2 marks]