The video tutorial explains how a volunteer group planted trees in five parks, with 90 trees in each park. It demonstrates two methods to calculate the total number of trees planted: addition and multiplication. The addition method involves summing 90 five times, while the multiplication method involves multiplying 90 by 5. Both methods yield the same result of 450 trees. The tutorial concludes by comparing the two methods, highlighting the efficiency of multiplication.

How many parks did the volunteer group plant trees in?

• Three

• Four

• Five

• Six

Tags

CCSS.1.NBT.A.1

How many trees were planted at each park?

• 90

• 110

• 100

• 80

Tags

CCSS.2.OA.C.4

What is one method to find the total number of trees planted?

• Exponentiation

• Addition

• Division

• Subtraction

Tags

CCSS.1.NBT.A.1

What is the total number of trees planted using the addition method?

• 350

• 450

• 400

• 500

Tags

CCSS.2.OA.C.4

What is another method to calculate the total number of trees planted?

• Division

• Exponentiation

• Subtraction

• Multiplication

Tags

CCSS.4.NBT.B.5

How many times is the number 90 multiplied in the multiplication method?

• 5

• 4

• 3

• 6

Tags

CCSS.4.NBT.B.5

What is the result of multiplying 90 by 5?

• 450

• 400

• 350

• 500

Tags

CCSS.RL.1.3

CCSS.RL.2.1

CCSS.RL.4.3

CCSS.RL.5.3

CCSS.RL.6.3

What is the purpose of comparing both methods?

• To find errors

• To verify the result

• To choose a favorite

• To confuse

Tags

CCSS.RL.2.6

CCSS.RL.3.6

CCSS.RL.4.3

CCSS.RL.5.3

CCSS.RL.6.6

Which method does the narrator prefer?

• Subtraction

• Multiplication

• Addition

• Division

Tags

CCSS.1.NBT.A.1

What is the total number of trees planted by the group?

• 500

• 450

• 400

• 350

Tags

CCSS.1.NBT.A.1