CBSE Class 7 Maths Operations with Integers (Class 7 NCERT New) Quiz 5

1. Simplify: -8 + (15 - 3) ÷ 4

A -3 B -5 C -2 D 0

2. What does PEMDAS stand for?

A Parentheses, Exponents, Multiplication, Addition, Subtraction B Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) C Parentheses, Exponents, Division, Addition, Subtraction D Parentheses, Exponents, Multiplication, Division, Subtraction

3. What is the Order of Operations?

A A set of rules for determining the sequence of calculations in a mathematical expression. B A method for solving equations without any specific order. C A technique used only in advanced mathematics for complex calculations. D A guideline that suggests performing addition before multiplication.

4. What is the result of (6 + 2) × 3?

A 24 (because you calculate inside the parentheses first) B 18 (because you multiply first) C 20 (because you add first) D 30 (because you ignore the parentheses)

5. How do you handle addition and subtraction in an expression?

A Addition and subtraction are performed from right to left as they appear in the expression. B Addition is performed before subtraction regardless of their position in the expression. C Addition and subtraction are performed from left to right as they appear in the expression. D Subtraction is performed before addition regardless of their position in the expression.

6. Calculate: -4(-1 + 8)

A -28 B -24 C 28 D 4

7. What happens if you do not follow the Order of Operations?

A You may arrive at an incorrect answer, as the sequence of operations affects the final result. B You will always get the correct answer regardless of the order. C The calculations will be faster and easier to perform. D It will not affect the outcome of the equation.

8. What is the correct order of operations?

A Work from left to right B Parentheses, Exponents, Multiply & Divide, Add & Subtract C Add & Subtract, Exponents, Multiply & Divide,Parentheses D Parentheses, Exponents, Add & Subtract, Multiply & Divide

9. True or false: all multiplication must be simplified before any division

A True B False

10. True or false: all addition must be simplified before any subtraction

A True B False