Ronnie needs 30 cupcakes for a birthday party. He already has 12 chocolate cupcakes and 8 vanilla cupcakes. How many more cupcakes should Ronnie buy?

The school cafeteria ordered 18 red apples and 7 green apples for students lunches. But, if only 9 students wanted fruit, how many extra did the cafeteria end up with?

Lana picked 15 tulips and 12 roses to make flower bouquets. If she only used 18 of the flowers though, how many extra flowers did Lana pick?

Carol and her mom were picking carrots from their garden. Carol picked 15 and her mother picked 8. If only 17 of the carrots were good, how many bad carrots did they have?

Chloe baked 7 brownies, and 12 cookies for her party. If her little brother ate 10 desserts, how many desserts does she have now?

Roger had $16. For his birthday he got $20 more dollars but spent $25 on a new game. How much money does he have now?

Jason likes to collect coins. Jason got 8 coins from his brother, 7 coins from his mother. However, Jason lost 12 coins before putting those coins into his piggy bank. How many coins does Jason have in his piggy bank?

A coloring book had 23 pictures and another one had 15. After one week Sally had already colored 25 of the pictures. How many pictures does she still have to color?