Evaluating Expressions: Fun with Multi-Step Algebra!

Ava has 3 times as many apples as Ben. If Ben has x apples, how many apples does Ava have? Then, if they combine their apples and share them equally, how many apples does each person get?

• Each person gets x apples.

• Ava has 4x apples.

• They each get 3x apples.

• Each person gets 2x apples.

Liam bought 5 packs of stickers. Each pack contains y stickers. If he gives away 10 stickers to his friend, how many stickers does he have left?

• 5y + 10

• 5y - 10

• 5y - 5

• 10y - 10

A store sells pencils for $2 each and erasers for $3 each. If Sarah buys p pencils and q erasers, write an expression for the total cost. If she spends $30, how many pencils and erasers did she buy?

• Possible combinations are (0 pencils, 10 erasers), (5 pencils, 5 erasers), and (10 pencils, 0 erasers).

• (3 pencils, 7 erasers)

• (1 pencil, 9 erasers)

• (4 pencils, 8 erasers)

A recipe requires 2 cups of flour for each batch of cookies. If you want to make b batches, how many cups of flour do you need? If you have 10 cups of flour, how many batches can you make?

• 2 batches

• 5 batches

• 7 batches

• 3 batches

In a school, there are 4 times as many boys as girls. If there are g girls, write an expression for the number of boys. If the total number of students is 100, how many boys and girls are there?

• 70 boys and 30 girls

• 80 boys and 20 girls

• 50 boys and 50 girls

• 60 boys and 40 girls

Emma has a collection of books. She buys 3 new books each month. If she starts with b books, write an expression for the total number of books after m months. How many books will she have after 6 months?

• b + 6

• b + 18

• b + 12

• b + 24

A gardener plants 5 rows of flowers, with r flowers in each row. Write an expression for the total number of flowers. If he plants 10 more flowers, what is the new total?

• r * 5 - 10

• 5 + r + 10

• 5 * r - 10

• 5 * r + 10

A car travels 60 miles per hour. If it travels for t hours, write an expression for the distance traveled. If the car travels for 3 hours, how far does it go?

• 180 miles

• 90 miles

• 120 miles

• 240 miles

A box contains x red balls and y blue balls. If you remove 4 red balls, how many red balls are left? Write an expression for the total number of balls left in the box.

• x + y - 2

• x + y + 4

• x - 4 + y

• x + y - 4

A movie theater has 120 seats. If 3/4 of the seats are filled, how many seats are empty? Write an expression for the number of empty seats and calculate it.

• 40

• 30

• 50

• 20