Grade 7A Reinforcement Assignment

Study Notes

Grade 7A Reinforcement Assignment - Basic Skills

Question 1: Solve the integers: -12 + (-22) - (-10). The answer is -24.
Question 2: Find the perimeter of a triangle with sides 11cm, 16cm, and 18cm. The perimeter is 45cm.
Question 3: Calculate the area of a triangle with base 8cm and height 13cm. The area is 52 square centimeters.
Question 4: Determine the area of a square with each side measuring 18cm. The area is 324 square centimeters.
Question 5: If a circle's diameter is 14cm, calculate its circumference. The circumference is approximately 43.96cm.
Question 6: Find the circumference of a circle with a 5cm radius. The circumference is 31.4 cm.
Question 7: Solve the equation 9x - 20 = 16. The solution is x = 4.
Question 8: Solve the equation 11x + 12 = -54. The solution is x = -6.
Question 9: A family bought 8 movie tickets for $104. The price per ticket is $13.
Question 10: A group of friends bought 12 concert tickets for $300. The cost per ticket is $25.
Question 11: Evaluate 3x - 7 when x = 12. The result is 25.
Question 12: The temperature dropped 12 degrees to reach -20°C. The original temperature was 8°C.
Question 13: The temperature decreased by 8 degrees to become -15°C. The original temperature was -7°C.
Question 14: If one angle of a complementary pair is 32°, the other angle is 58°.
Question 15: David had an initial balance of $650 in his checking account. After writing checks of $45.10, $32.50, $75.75, and $210.90, his new balance is $285.75.
Question 16: Sophia had a starting balance of $490 in her checking account. After writing checks for $12.50, $85.30, $20.45, and $150, her final balance is $221.75.
Question 17: A library had 280 books initially. After some were lent out, there were 147 remaining. 133 books were lent out.
Question 18: A book costs $18, and there was a 25% discount. Maria's total discount was $9.50 and the total cost was $27.50.
Question 19: Sophie scored 90 points in a tennis match. She lost 4 points for each fault, and her final total was 74 points. She faulted 4 times.
Question 20: Mark scored 72 points in a basketball game. He lost 2 points for each foul, and his final total was 56 points. He committed 8 fouls.