Use Addition and Subtraction Equations to Solve Problems

Mrs. Bryant has 73 stickers. She gives one to each of her students. If she has 20 students, how many stickers does she have left?

• 93
• 43
• 53

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Twenty of Erin's friends each agreed to donate $5 to her fundraiser. Which equation can be used to determine d, the amount of money Erin's friends donated to her fundraiser?

• 20 ÷ d = 5
• 20 + 5 = d
• 20 × 5 = d
• 5 × d = 20

Tags

CCSS.3.OA.A.3

CCSS.3.OA.A.4

CCSS.3.OA.C.7

At Lincoln Elementary School, the fifth-grade students have a total of 325 pets. Of these pets, 250 are some kind of pet other than cats. Which equation could be used to determine the number of pets that are cats, c?

• 325 + 250 = c
• 325 – 250 = c
  
• 325 × 250 = c
• 325 ÷ 250 = c

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

A bakery has 150 cupcakes. If they sell 45 cupcakes in one day, how many cupcakes do they have left?

• 95

• 115

• 105

In a classroom, there are 40 books. If 15 of those books are fiction, which equation can be used to find the number of non-fiction books, n?

• 40 × 15 = n

• 40 – 15 = n
  

• 40 + 15 = n

• 40 ÷ 15 = n

If 12 students each contribute $10 for a school trip, which equation can be used to determine t, the total amount of money collected?

• 10 × t = 12

• 12 × 10 = t

• 12 + 10 = t

• 12 ÷ t = 10

If a farmer has 200 apples and sells 75 of them, which equation can be used to find a, the number of apples left?

• 200 – 75 = a

• 200 + 75 = a

• 200 ÷ 75 = a

• 200 × 75 = a

A library has 500 books. If 120 of those books are reference books, which equation can be used to find the number of non-reference books, r?

• 500 – 120 = r

• 500 × 120 = r

• 500 + 120 = r

• 500 ÷ 120 = r

A toy store has 80 toys. If they receive a shipment of 30 more toys, how many toys do they have in total?

• 100

• 110

• 90

A school has 250 students. If 75 of those students are in the band, which equation can be used to find the number of students not in the band, s?

• 250 + 75 = s

• 250 × 75 = s

• 250 ÷ 75 = s

• 250 – 75 = s