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Number and Statistics Practice

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Number and Statistics Practice worksheet preview

Number and Statistics Practice

Mathematical symbols and charts

🔢 Part 1: Number Concepts

1. Express 3,400 in expanded form using exponents:

3,400 = _____ × 10³ + _____ × 10²

2. Which of these numbers are prime? Circle all that apply.

17

21

29

35

3. Find the highest common factor (HCF) of 24 and 36:
4. Calculate these square and cube roots:

a) √64 = _____

b) ∛125 = _____

5. Which number is divisible by 9?

234

567

891

1,023

📊 Part 2: Statistics and Data

6. The heights (in cm) of Year 7 students are: 145, 150, 148, 152, 147, 165, 149, 151

a) Mean = ___________ cm

b) Median = ___________ cm

c) Range = ___________ cm

d) Which value appears to be an outlier? ___________

7. A survey asked 20 students about their favourite sport. The results were:

Rugby: 8 students, Football: 5 students, Netball: 4 students, Cricket: 3 students

Create a bar graph using the space below:

8. Identify the type of data for each variable:

a) Number of pets owned: _______________

b) Favourite colour: _______________

c) Temperature in °C: _______________

🧮 Part 3: Problem Solving

9. Write the prime factorisation of 60 using exponent notation:
10. The test scores for a maths class were: 78, 82, 85, 78, 91, 88, 78, 95, 84, 89

What is the mode of this data set? Explain why this measure might be useful for the teacher.

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