balloon

Everyday

1. A balloon is a thin rubber bag that you fill with air or gas; it floats if filled with helium. tree →
2. A hot-air balloon is a very big balloon with a basket that can carry people through the sky. tree →
3. To balloon is to grow bigger very fast. tree →

In the lessons

a counted thing in problems; at parties and celebrations; in science balloons show air takes up space, and a rubbed balloon sticks to a wall (static electricity); in safety, burst balloons can choke small children

Examples

• There are 4 bags. Each bag has 7 balloons. How many balloons are there? tree →
• Sam had 12 balloons and 5 popped. tree →
• Mia has 6 red balloons and 3 blue balloons. tree →
• We blew up balloons for Dad's party. tree →
• The balloon floated up into the sky. tree →
• Rub a balloon on your hair and it sticks to the wall. tree →
• A hot-air balloon drifted over the fields. tree →
• Pop! The balloon burst when it hit the rose bush. tree →
• “Well, really,” exclaimed a small Fire-balloon, “why not? tree →

Note

The thing being counted; no clue for the operation. Trap: balloons that pop or fly away are gone: subtract them. Spelling: double l and double o: balloon. Keep burst balloons away from babies.