Real-Life Equations: Reasonableness & Context Check

Maria has 12 apples. She gives 4 apples to her friend. How many apples does she have left? Write an equation to represent this situation and check if your answer makes sense.

• 4

• 8

• 6

• 10

A book costs $15. If you buy 3 books, how much will you spend in total? Write an equation for the total cost and interpret what this means in real life.

• $60

• $45

• $30

• $75

Tom has 20 marbles. He wins 5 more in a game. Write an equation to show how many marbles he has now and check if your answer is reasonable.

• 15

• 30

• 10

• 25

A farmer has 50 chickens. He sells 10 of them. How many chickens does he have left? Write an equation and explain why your answer is reasonable.

• 30

• 20

• 50

• 40

Samantha has 30 stickers. She gives 10 stickers to each of her 2 friends. Write an equation to find out how many stickers she has left and interpret the result in context.

• 10

• 5

• 15

• 20

A box can hold 24 cookies. If you have 3 boxes, how many cookies can you fit in total? Write an equation and check if your answer is reasonable.

• 72 cookies

• 60 cookies

• 36 cookies

• 48 cookies

A school has 200 students. If 50 students are absent, how many students are present? Write an equation and check if your answer makes sense in the context of a school day.

• 150

• 100

• 50

• 200

Jenny has $50. She spends $20 on a toy and $10 on a book. Write an equation to find out how much money she has left and interpret what this means for her spending habits.

• $10

• $40

• $20

• $30

A recipe calls for 2 cups of flour. If you want to make 5 batches, how many cups of flour do you need in total? Write an equation and check if your answer is reasonable based on the recipe.

• 5 cups

• 15 cups

• 8 cups

• 10 cups