Mixed Topic Worksheet Grades 6/7: Day 025
- 1
Question 1. The two parallelograms are similar.
Work out the scale factor of the enlargement that maps the small parallelogram onto the large parallelogram.Calculating Scale Factor▶ Show worked answerHide worked answer
- M1: 7 ÷ 4
- A1: 1.75
Answer: 1.75[2 marks] - 2
Question 2. The table shows information about the masses, in kg, of 36 parcels.
Complete the cumulative frequency table.Filling in Cumulative Frequency Tables▶ Show worked answerHide worked answer
- M1: 4 + 10 for the second class, then 14 + 13 for the third
- A1: 14 and 27 correct
- A1: 34 and 36 correct
Answer: 4, 14, 27, 34, 36[3 marks] - 3
Question 3. f(x) = 5x - 3
Nia is asked to find the value of x when f(x) = 22
Nia's working is f(22) = 5 × 22 - 3 = 107
Nia says x = 107
Is Nia correct?
You must show your working.Fundamentals of Functions▶ Show worked answerHide worked answer
- M1: 5x - 3 = 22
- A1: x = 5
- C1: Nia is not correct: she worked out f(22) instead of solving f(x) = 22
Answer: No, Nia is not correct; x = 5[3 marks] - 4
Question 4. Rationalise the denominator of dfrac1√3
Rationalising Denominators of the Form √a▶ Show worked answerHide worked answer
- M1: dfrac1√3 × dfrac√3√3
- A1: dfrac√33
Answer: dfrac√33[2 marks] - 5
Question 5. When x = 2, y = 18.
When x = 3, y = 8.
When x = 6, y = 2.
Jo says that y is inversely proportional to the square of x.
Is Jo correct?
You must show your working.Algebraic Inverse Proportion▶ Show worked answerHide worked answer
- M1: 2² × 18 = 72 and 3² × 8 = 72
- M1: 6² × 2 = 72
- A1: Yes, x² × y is 72 each time
Answer: Yes[3 marks]
Mixed Topic Worksheet Grades 6/7: Day 025
- 1
Question 1. The two parallelograms are similar.
[2 marks]
Work out the scale factor of the enlargement that maps the small parallelogram onto the large parallelogram.Calculating Scale Factor▶ Show worked answerHide worked answer
- M1: 7 ÷ 4
- A1: 1.75
Answer: 1.75 - 2
Question 2. The table shows information about the masses, in kg, of 36 parcels.
[3 marks]
Complete the cumulative frequency table.Filling in Cumulative Frequency Tables▶ Show worked answerHide worked answer
- M1: 4 + 10 for the second class, then 14 + 13 for the third
- A1: 14 and 27 correct
- A1: 34 and 36 correct
Answer: 4, 14, 27, 34, 36 - 3
Question 3. f(x) = 5x - 3
[3 marks]
Nia is asked to find the value of x when f(x) = 22
Nia's working is f(22) = 5 × 22 - 3 = 107
Nia says x = 107
Is Nia correct?
You must show your working.Fundamentals of Functions▶ Show worked answerHide worked answer
- M1: 5x - 3 = 22
- A1: x = 5
- C1: Nia is not correct: she worked out f(22) instead of solving f(x) = 22
Answer: No, Nia is not correct; x = 5 - 4
Question 4. Rationalise the denominator of dfrac1√3
[2 marks]Rationalising Denominators of the Form √a▶ Show worked answerHide worked answer
- M1: dfrac1√3 × dfrac√3√3
- A1: dfrac√33
Answer: dfrac√33 - 5
Question 5. When x = 2, y = 18.
[3 marks]
When x = 3, y = 8.
When x = 6, y = 2.
Jo says that y is inversely proportional to the square of x.
Is Jo correct?
You must show your working.Algebraic Inverse Proportion▶ Show worked answerHide worked answer
- M1: 2² × 18 = 72 and 3² × 8 = 72
- M1: 6² × 2 = 72
- A1: Yes, x² × y is 72 each time
Answer: Yes
Mixed Topic Worksheet Grades 6/7: Day 025
- 1
Question 1. The two parallelograms are similar.
Work out the scale factor of the enlargement that maps the small parallelogram onto the large parallelogram.Calculating Scale Factor▶ Show worked answerHide worked answer
- M1: 7 ÷ 4
- A1: 1.75
Answer: 1.75[2 marks] - 2
Question 2. The table shows information about the masses, in kg, of 36 parcels.
Complete the cumulative frequency table.Filling in Cumulative Frequency Tables▶ Show worked answerHide worked answer
- M1: 4 + 10 for the second class, then 14 + 13 for the third
- A1: 14 and 27 correct
- A1: 34 and 36 correct
Answer: 4, 14, 27, 34, 36[3 marks] - 3
Question 3. f(x) = 5x - 3
Nia is asked to find the value of x when f(x) = 22
Nia's working is f(22) = 5 × 22 - 3 = 107
Nia says x = 107
Is Nia correct?
You must show your working.Fundamentals of Functions▶ Show worked answerHide worked answer
- M1: 5x - 3 = 22
- A1: x = 5
- C1: Nia is not correct: she worked out f(22) instead of solving f(x) = 22
Answer: No, Nia is not correct; x = 5[3 marks] - 4
Question 4. Rationalise the denominator of dfrac1√3
Rationalising Denominators of the Form √a▶ Show worked answerHide worked answer
- M1: dfrac1√3 × dfrac√3√3
- A1: dfrac√33
Answer: dfrac√33[2 marks] - 5
Question 5. When x = 2, y = 18.
When x = 3, y = 8.
When x = 6, y = 2.
Jo says that y is inversely proportional to the square of x.
Is Jo correct?
You must show your working.Algebraic Inverse Proportion▶ Show worked answerHide worked answer
- M1: 2² × 18 = 72 and 3² × 8 = 72
- M1: 6² × 2 = 72
- A1: Yes, x² × y is 72 each time
Answer: Yes[3 marks]