Exploring Relationships: Identifying Math Variables in Grade 4

Sarah has 5 apples and buys some more. If she has a total of 12 apples now, how many apples did she buy? (Identify the variables: total apples, apples bought)

• 3

• 10

• 5

• 7

Tom has 3 packs of stickers. Each pack contains the same number of stickers. If he has 24 stickers in total, how many stickers are in each pack? (Identify the variables: total stickers, packs of stickers)

• 8

• 12

• 10

• 6

A farmer has 10 cows and wants to buy more. If he wants to have 25 cows in total, how many more cows does he need to buy? (Identify the variables: total cows, cows to buy)

• 30

• 20

• 15

• 5

Emily read 15 pages of her book on Monday and 20 pages on Tuesday. If her book has 100 pages, how many pages does she have left to read? (Identify the variables: total pages, pages read)

• 70 pages

• 75 pages

• 60 pages

• 65 pages

A toy store has 50 toys. If they sell some toys and have 30 left, how many toys did they sell? (Identify the variables: initial toys, toys sold)

• 15

• 25

• 20

• 10

Liam has 8 marbles and his friend gives him some more. If he ends up with 20 marbles, how many did his friend give him? (Identify the variables: total marbles, marbles given)

• 10

• 12

• 5

• 15

A baker made 40 cookies. If he sold some and has 15 cookies left, how many cookies did he sell? (Identify the variables: initial cookies, cookies sold)

• 30

• 25

• 10

• 20

In a classroom, there are 25 students. If 10 students are absent, how many students are present? (Identify the variables: total students, students present)

• 15

• 5

• 20

• 10

A gardener planted 30 flowers. If he wants to plant 50 flowers in total, how many more flowers does he need to plant? (Identify the variables: total flowers, flowers to plant)

• 10

• 25

• 15

• 20

Mia has 12 crayons and buys a box of 8 more. If she gives 5 crayons to her friend, how many does she have left? (Identify the variables: initial crayons, crayons bought, crayons given)

• 10

• 15

• 20

• 8