# Writing equations with unknowns I

## Interactive practice questions

A bumble bee flew $200$200 m in the morning to a cluster of flowers. By the time it returned home in the evening, it had traveled a total of $800$800 m.

Let $h$h be the number of metres the bumble bee flew in the afternoon. Fill in the blanks to make an equation containing $h$h.

$200+\editable{}=800$200+=800

Easy
Less than a minute

Xanthe is handing out flyers for an upcoming event. At the start of the day she has $400$400 flyers, and by the end of the day she has $80$80 flyers left.

Let $m$m be the number of flyers that Xanthe handed out. Fill in the blanks to make an equation.

Farmer Noah planted $60$60 new crops in the morning. He wants to plant a total of $150$150 crops by the time the sun sets.

Let $c$c be the number of crops Farmer Noah needs to plant in the afternoon. Fill in the blanks to make an equation.

A plane travelling from Sydney to Singapore has $290$290 seats available for passengers. On this particular flight, there are $258$258 seats taken.

Let $b$b be the number of empty seats. Fill in the blanks to make an equation.