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level: Level 7 - Algebra

Questions and Answers List

level questions: Level 7 - Algebra

Question	Answer
What expression matches the image?	x + 3
What expression matches the image?	2x + 5
What expression matches the image?	5x + 2
What expression matches the image?	2x + 6
Simplify the following expression: 2y + 5 + y	3y + 5
Simplify the following expression: 3a + 2 + a + a	5a + 2
Simplify the following expression: 6p + 2 - 2p	4p + 2
Simplify the following expression: 15r + (4 - 2) + 2r	17r + 2
Simplify the following expression: m + 4 + 3m - 3	4m + 1
Simplify the following expression: 3x + 2y - 6	3x + 2y - 6 (you can only add or subtract like terms)
What is the value of the expression if x = 5: 3x -3	12
What is the value of the expression if x = 5: 4x + 2	22
Write a formula for the area of the rectangle.	ab
Write a formula for the perimeter of the rectangle.	2a + 2b
Calculate the area of the rectangle if a = 17cm and b = 8cm.	136cm²
Calculate the perimeter of the rectangle if a = 17cm and b = 8cm.	50cm
Write a formula for the area of the square.	d²
Write a formula for the perimeter of the square.	4d
Calculate the area of the square if d = 8.5cm	72.25cm²
Calculate the perimeter of the square if d = 8.5cm	34cm
Solve the equation: x + 7 = 20	x = 13
Solve the equation: g - 3 = 15	g = 18
Solve the equation: 10y = 80	y = 8
Solve the equation: 32 = t - 5	t = 37
Solve the equation: 4m = 22	m = 5.5
Solve the equation: u/6 = 3	u = 18
Filip thinks of a number. He subtracts 5 from his number. He ends up with 10. Write an algebraic equation to represent Filip's problem.	x - 5 = 10
Solve the equation: x - 5 = 10	x = 15
Solve the equation: 2y + 4 = 16	y = 6
Solve the equation: 2a + 4 = 20	a = 8
Solve the equation: 5x + 1 = 31	x = 6
Solve the equation: 9 = 2y + 8	y = 0.5
Solve the equation: 3x - 3 = 9	x = 4
Solve the equation: 10g - 2 = 46	g = 4.8
Solve the equation: 4p - 11 = 3	p = 3.5
Solve the equation: 4 + 3y = 28	y = 8