Mixed Topic Worksheet Grades 1/2/3: Day 024
- 1
Question 1. Put one pair of brackets in the left-hand side so that the calculation is correct. 5 + 2 × 6 - 3 = 39
BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: (5 + 2) × 6 = 42, brackets round 5 + 2
- A1: (5 + 2) × 6 - 3 = 39
Answer: (5 + 2) × 6 - 3 = 39[2 marks] - 2
Question 2. Ali rounds 4.098 to 2 decimal places.
He writes 4.01.
Ali is wrong.
Write down the correct answer.Rounding to Decimal Places▶ Show worked answerHide worked answer
- M1: the third decimal place is 8, so the digit 9 goes up
- A1: 4.10
Answer: 4.10[2 marks] - 3
Question 3. A bag contains 3 red counters and 2 blue counters.
Ali says, "The probability of taking a red counter at random is dfrac32."
Is Ali correct?
Give a reason for your answer.Fundamentals of Probability▶ Show worked answerHide worked answer
- M1: 3 + 2 = 5 counters in total
- A1: No, with a reason that the probability is dfrac35
Answer: No. There are 5 counters in total, so the probability of red is 3/5.[2 marks] - 4
Question 4. A circle has a radius of 8.5 cm.
Work out the circumference of the circle.
Give your answer to 1 decimal place.Circumference of a Circle▶ Show worked answerHide worked answer
- M1: 2 × π × 8.5
- A1: 53.4
Answer: 53.4[2 marks] - 5
Question 5. Sam eats 12% of a cake. Lee eats twice as much as Sam. Convert Lee's amount to a decimal of the whole cake.
Converting Decimals & Percentages▶ Show worked answerHide worked answer
- M1: 12% = 0.12
- A1: 0.12 × 2 = 0.24
Answer: 0.24[2 marks]
Mixed Topic Worksheet Grades 1/2/3: Day 024
- 1
Question 1. Put one pair of brackets in the left-hand side so that the calculation is correct. 5 + 2 × 6 - 3 = 39
[2 marks]BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: (5 + 2) × 6 = 42, brackets round 5 + 2
- A1: (5 + 2) × 6 - 3 = 39
Answer: (5 + 2) × 6 - 3 = 39 - 2
Question 2. Ali rounds 4.098 to 2 decimal places.
[2 marks]
He writes 4.01.
Ali is wrong.
Write down the correct answer.Rounding to Decimal Places▶ Show worked answerHide worked answer
- M1: the third decimal place is 8, so the digit 9 goes up
- A1: 4.10
Answer: 4.10 - 3
Question 3. A bag contains 3 red counters and 2 blue counters.
[2 marks]
Ali says, "The probability of taking a red counter at random is dfrac32."
Is Ali correct?
Give a reason for your answer.Fundamentals of Probability▶ Show worked answerHide worked answer
- M1: 3 + 2 = 5 counters in total
- A1: No, with a reason that the probability is dfrac35
Answer: No. There are 5 counters in total, so the probability of red is 3/5. - 4
Question 4. A circle has a radius of 8.5 cm.
[2 marks]
Work out the circumference of the circle.
Give your answer to 1 decimal place.Circumference of a Circle▶ Show worked answerHide worked answer
- M1: 2 × π × 8.5
- A1: 53.4
Answer: 53.4 - 5
Question 5. Sam eats 12% of a cake. Lee eats twice as much as Sam. Convert Lee's amount to a decimal of the whole cake.
[2 marks]Converting Decimals & Percentages▶ Show worked answerHide worked answer
- M1: 12% = 0.12
- A1: 0.12 × 2 = 0.24
Answer: 0.24
Mixed Topic Worksheet Grades 1/2/3: Day 024
- 1
Question 1. Put one pair of brackets in the left-hand side so that the calculation is correct. 5 + 2 × 6 - 3 = 39
BIDMAS with Numbers▶ Show worked answerHide worked answer
- M1: (5 + 2) × 6 = 42, brackets round 5 + 2
- A1: (5 + 2) × 6 - 3 = 39
Answer: (5 + 2) × 6 - 3 = 39[2 marks] - 2
Question 2. Ali rounds 4.098 to 2 decimal places.
He writes 4.01.
Ali is wrong.
Write down the correct answer.Rounding to Decimal Places▶ Show worked answerHide worked answer
- M1: the third decimal place is 8, so the digit 9 goes up
- A1: 4.10
Answer: 4.10[2 marks] - 3
Question 3. A bag contains 3 red counters and 2 blue counters.
Ali says, "The probability of taking a red counter at random is dfrac32."
Is Ali correct?
Give a reason for your answer.Fundamentals of Probability▶ Show worked answerHide worked answer
- M1: 3 + 2 = 5 counters in total
- A1: No, with a reason that the probability is dfrac35
Answer: No. There are 5 counters in total, so the probability of red is 3/5.[2 marks] - 4
Question 4. A circle has a radius of 8.5 cm.
Work out the circumference of the circle.
Give your answer to 1 decimal place.Circumference of a Circle▶ Show worked answerHide worked answer
- M1: 2 × π × 8.5
- A1: 53.4
Answer: 53.4[2 marks] - 5
Question 5. Sam eats 12% of a cake. Lee eats twice as much as Sam. Convert Lee's amount to a decimal of the whole cake.
Converting Decimals & Percentages▶ Show worked answerHide worked answer
- M1: 12% = 0.12
- A1: 0.12 × 2 = 0.24
Answer: 0.24[2 marks]