Sheet # 152/Critical Thinking
Name: _____________________ Date_____________
SHOW YOUR WORK
What is the START number in each problem?
1) When you add 11, divide by 2, subtract 3, multiply by 3, you get 30. What is the starting number?
2) When you subtract 7, add 9, divide by 2, multiply by 5, multiply by 1/5, you get 5. What is the starting number?
3) Multiply by 1/2, divide by 1/3, multiply by 2, divide by 2/3, you get 27. What is the starting number?