Lesson 16 closure review

The custodian put away 24 chairs, leaving 52 chairs in the room. How

many chairs were in the room before the custodian put some away?

Write a subtraction formula (s - a = l) to solve the problem.

• 24 - a = 52

• 24 - 52 = l

• s - 24 = 52

• 24 + 52 = l

Tags

CCSS.1.OA.A.1

A librarian removed 15 books from a shelf, leaving 85 books. How many books were on the shelf initially?

Write a subtraction formula (b - r = l) to solve the problem.

• 15 + 85 = l

• b - 15 = 85

• 15 - r = 85

• 85 - b = 15

Tags

CCSS.2.OA.A.1

There were 40 apples in a basket. After giving away some, 25 apples remained. How many apples were given away?

Write a subtraction formula (a - g = r) to solve the problem.

• g - 25 = 40

• 40 - g = 25

• 40 + 25 = r

• 25 - a = g

Tags

CCSS.2.OA.A.1

A teacher had 60 markers. After distributing some to students, 45 markers were left. How many markers were distributed?

Write a subtraction formula (m - d = l) to solve the problem.

• 60 - d = 45

• d - 45 = 60

• 45 - m = d

• 60 + 45 = l

Tags

CCSS.2.OA.A.1

A farmer had 100 oranges. After selling some, 70 oranges were left. How many oranges were sold?

Write a subtraction formula (o - s = l) to solve the problem.

• 100 + 70 = l

• 100 - s = 70

• s - 70 = 100

• 70 - o = s

Tags

CCSS.2.OA.A.1

There were 90 pencils in a box. After using some, 55 pencils remained. How many pencils were used?

Write a subtraction formula (p - u = r) to solve the problem.

• 55 - p = u

• 90 + 55 = r

• 90 - u = 55

• u - 55 = 90

Tags

CCSS.2.OA.A.1

A baker baked 120 cookies. After selling some, 95 cookies were left. How many cookies were sold?

Write a subtraction formula (c - s = l) to solve the problem.

• 120 - s = 95

• s - 95 = 120

• 120 + 95 = l

• 95 - c = s

Tags

CCSS.2.OA.A.1

Cullen had $28. After he spent $12, how much money did Cullen have? s-a-l

Tags

CCSS.2.OA.A.1

After losing 234 pounds, Jumbo the elephant still weighed 4,368 points. How much did Jumbo weigh before he lost the weight?

Tags

CCSS.4.OA.A.3

Four hundred runners started the race, but some runners dropped out along the way. If 287 runners finished the race, then how many runners dropped out of the race?

Tags

CCSS.3.OA.D.8