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Year 7 Number Algebra

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Year 7 Number Algebra worksheet preview

Year 7 Number Algebra

Mathematical symbols and equations

📚 Part 1: Multiple Choice

1. Which of these numbers is a prime number?

15

21

23

27

2. What is 3.75 rounded to the nearest whole number?

3

4

3.8

3.7

3. Which fraction is equivalent to 0.6?

6/10

6/100

3/4

1/6

4. If x + 7 = 15, what is the value of x?

22

8

7

15

✏️ Part 2: Short Answers and Problem Solving

5. List all the factors of 24:
6. Calculate: (-5) + 8 - (-3) = ________
7. Simplify the expression: 4a + 2a - 3a
8. A recipe calls for 2/3 cup of flour. If you want to make 1.5 times the recipe, how much flour do you need? Show your working.

🎯 Part 3: Extended Problem Solving

9. Sarah is buying school supplies. Pens cost $1.50 each and notebooks cost $3.25 each. She buys 4 pens and some notebooks, spending $18 in total. How many notebooks did she buy? Write an equation and solve it step by step.
10. Explain why 49 is called a perfect square. Give two other examples of perfect squares and justify your answer.
11. In a class of 28 students, the ratio of boys to girls is 3:4. How many boys and how many girls are in the class? Show your method clearly.

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