Expressions Review for MASA

Terri had 18 worms. She gave 4 worms to Susan and 3 worms to Jamie.

• (18 - 4) + 3

• 18 - (4 + 3)

• 18 ÷ (4 + 3)

• 18 - 4 + 3

Rick had $8. He then worked 4 hours for $5 per hour pulling weeds from his neighbor's flowerbeds. Which expression shows how much money Rick would have after working?

• $8 + (4 x $5)

• ($8 + $4) x $5

• $8 - (4 + $5)

• $8 x (4 x $5)

Lydia has 27 fewer fish than Jack. Jack has 80 fish. What is the numerical expression you would use to determine how many fish Lydia has?

Fred catches 25 fish. Then he releases 10 fish and catches 8 more. Which expression shows how you would solve to find out how many fish Fred has at the end of his fishing trip?

• 25 - 10 - 8

• 15 - 6 - 8

• 25 - (10 + 8)

• (25 - 10 ) + 8

Nick has 25 pens. He gives 10 pens to one friend and 8 pens to another friend.

• 3 x (15 - 6)

• 15 - 6

• 25 - (10 + 8)

• (25 - 10) + 8

Libby catches 15 fish and lets 6 fish go for three days. Which expression shows how you would solve to find out how many fish Libby has after the 3 days?

• 3 x (15 - 6)

• 15 - 6

• (25 - 10) + 8

• 15 x 6 - 3

Subtract the sum of 3 and 2 from 16.

• 16 - (3 + 2)
• 16 - (3 x2)

• (3 + 2) - 16

• 16 - 3 + 2

“difference of 8 and 5 divided by three”

• 3 ÷ 8 - 5

• 8 x 5 ÷ 3

• 8 - 5 ÷ 3

• (8 - 5) ÷ 3

“twice the sum of 3 and 8”

• 8 ÷ (2 + 3)

• (8 + 3)2

• (2 + 8) + 3

• (8 + 3)

“Half of 8”

• 8 ÷ 2

• 8 x 2

• 8 (2)

• 8 - 8