Find the Missing Value in Equations with 3-Digit Numbers
Addition and Subtraction, and more...
 
1. EASY

Find the missing number in the equation: \( 100 + \_\_\_ = 500\)

 
2. MEDIUM

Find the missing number in the equation: \(543- \_\_\_=123\)

 
3. MEDIUM

Find the missing number in the equation: \(343 + \_\_\_ = 976\)

 
4. HARD

Find the missing value: \( 234 + 122 - 345 + \_\_\_ = 431 \)

 
5. HARD

Simon was playing a game called the "Lemonade Stand". He started off with a certain amount of money. He earned $300 on the first day. On the second day, he spent $143 on ingredients and earned $180. At the end of the second day, Simon had $415. How much money did he start off with?