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Mathematical Operations - Beginner-Intermediate Level: operational logic BEGINNER-INTERMEDIATE

Strategic fast track practice for mathematical operations: 20 beginner-intermediate-level problems. Worksheet 9 of 30 - Focus: operational logic. Develop expertise in operation puzzles, symbolic operations, arithmetic operations with step-by-step solutions. Ideal for developing learners targeting building on fundamentals with moderate challenges.

📝 Worksheet 9 of 30 • 20 questions • ⏱️ Estimated time: 20 minutes • 🎯 Beginner-intermediate level

What you'll learn in this worksheet:
Your progress through Mathematical Operations
Worksheet 9 of 30 (30% complete)

Question 1

What operator should replace '?' to make 3 ? 19 - 9 = 82?
The correct operator is None because 3 None 19 - 9 = 82
operator, reasoning

Question 2

Given $ means ×, % means ÷, @ means +, # means -, which symbols should be interchanged to make 4 # 12 % 14 $ 3 = 48?
The equation is already correct or no single interchange works
interchange, complex

Question 3

Given: P > S, R > P, R < P. Which of the following is definitely true?
From P > S and R > P, we can deduce Cannot determine
inequality, logic

Question 4

If $ means ×, # means -, @ means +, % means ÷, then find the value of 9 % 2 $ 8
Substitute symbols: 9 ÷ 2 × 8 = 36.0
substitution, basic

Question 5

What operator should replace '?' to make 17 ? 8 + 18 = 48?
The correct operator is None because 17 None 8 + 18 = 48
operator, reasoning

Question 6

Simplify: 5 ÷ (6 + 4) ÷ 11 ÷ 5
Apply BODMAS: brackets first, then multiplication/division, then addition/subtraction to get 0.01
bodmas, complex

Question 7

A value decreases by 35% and then increases by 49%. What is the net percentage change?
Step 1: decrease by 35% → multiply by 0.65
Step 2: increase by 49% → multiply by 1.49
Net change = -3.1%
percentage, reasoning

Question 8

What operator should replace '?' to make 8 ÷ 11 ? 10 = 31?
The correct operator is None because 8 ÷ 11 None 10 = 31
operator, reasoning

Question 9

Simplify: (14 + 7) × (11 × 4) ÷ 5
Apply BODMAS: brackets first, then multiplication/division, then addition/subtraction to get 184.80
bodmas, complex

Question 10

Which two numbers should be interchanged to make the equation 7 - 11 + 8 = 28 correct?
balance, interchange

Question 11

What operator should replace '?' to make 19 ? 19 × 14 = 23?
The correct operator is None because 19 None 19 × 14 = 23
operator, reasoning

Question 12

If # means -, % means ÷, @ means +, $ means ×, then find the value of 17 # 6 $ 18
Substitute symbols: 17 - 6 × 18 = -91
substitution, basic

Question 13

What operator should replace '?' to make 18 ? 7 × 7 = 90?
The correct operator is None because 18 None 7 × 7 = 90
operator, reasoning

Question 14

Given @ means +, # means -, $ means ×, % means ÷, which symbols should be interchanged to make 4 $ 4 % 11 @ 10 = 80?
The equation is already correct or no single interchange works
interchange, complex

Question 15

Simplify: 12 + (5 - 5) + 12 - 12
Apply BODMAS: brackets first, then multiplication/division, then addition/subtraction to get 12
bodmas, complex

Question 16

Which two numbers should be interchanged to make the equation 6 + 12 × 7 = 41 correct?
balance, interchange

Question 17

Which two numbers should be interchanged to make the equation 11 - 9 + 6 = 26 correct?
balance, interchange

Question 18

Given % means ÷, $ means ×, # means -, @ means +, which symbols should be interchanged to make 7 # 9 % 7 @ 11 = 73?
The equation is already correct or no single interchange works
interchange, complex

Question 19

If $ means ×, # means -, % means ÷, @ means +, then find the value of 12 % 19 # 11
Substitute symbols: 12 ÷ 19 - 11 = -10.37
substitution, basic

Question 20

Find the missing number in the sequence: 2, 4, 8, 16, ?, 64
The pattern: Each term increases by 2. Therefore, the missing number is 32
pattern, sequence
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