Section A: Multiple Choice Questions
1. Which of the following is a positive integer?
a) -5
b) 0
c) 7
d) -3
Answer: c) 7
Solution: Positive integers are whole numbers greater than zero. 7 is the only positive integer among
the options.
2. Simplify the expression: 2x + 3 + 4x
a) 6x + 3
b) 6x - 3
c) 5x + 3
d) 5x - 3
Answer: a) 6x + 3
Solution: Combine like terms (2x and 4x) to get 6x. Keep the constant term (+3) as it is.
3. What is the value of x in the equation: 2x + 5 = 11?
a) 2
b) 3
c) 4
d) 5
Answer: b) 3
Solution: Subtract 5 from both sides of the equation to get 2x = 6. Divide both sides by 2 to get x = 3.
4. Round 45.67 to the nearest whole number
a) 45
b) 46
c) 47
d) 48
Answer: b) 46
Solution: Since the decimal part (.67) is greater than .5, round up to the nearest whole number (46).
5. What is the place value of the digit 4 in the number 456.23?
a) Tenths
b) Hundredths
c) Thousands
d) Hundreds
Answer: d) Hundreds
Solution: The digit 4 is in the hundreds place in the number 456.23.
Section B: Short Answer Questions
1. Write the fraction 3/4 in decimal form.
Answer: 0.75
Solution: Divide the numerator (3) by the denominator (4) to get 0.75.
2. Construct an angle of 60 degrees using a compass and ruler.
Answer: (Drawing of an angle with 60-degree measurement)
Solution: Use a compass and ruler to draw an angle with 60-degree measurement.
3. Collect data on the favorite colors of your classmates and represent it in a bar graph.
Answer: (Bar graph with data)
Solution: Collect data, organize it, and represent it in a bar graph.
Section C: Long Answer Questions
1. Solve the equation: x - 3 = 7 and explain the steps.
Answer: x = 10
Solution:
Step 1: Add 3 to both sides of the equation to get x = 7 + 3
Step 2: Simplify the right side to get x = 10
2. Find the value of x in the formula: 2x + 5 = 3x - 2
Answer: x = 7
Solution:
Step 1: Subtract 2x from both sides to get 5 = x - 2
Step 2: Add 2 to both sides to get 7 = x