Mastering 2-Digit Multiplication Techniques

The video tutorial covers various multiplication techniques, including mental math, estimation using compatible numbers, and area models. It emphasizes verifying answers and identifying errors in calculations. The tutorial also provides practical examples, such as estimating costs for a field trip and calculating the number of pencils in a supply cabinet. The video concludes with study tips for an upcoming test.

What is the product of 40 and 50 using mental math?

• 20

• 200

• 20000

• 2000

Tags

CCSS.5.NBT.B.5

Which is a better estimate for the cost of the field trip, 500 or 600?

• 600

• Neither is a good estimate

• 500

• Both are equally good

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

How do you correctly calculate 12 times 100 using mental math?

• 12000

• 12

• 120

• 1200

Tags

CCSS.5.NBT.B.5

What is the correct product of 28 times 30 using mental math?

• 880

• 800

• 860

• 840

Tags

CCSS.4.NBT.B.5

How many pencils are in Mr. Shaw's supply cabinet?

• 1800

• 23

• 800

• 2300

Tags

CCSS.4.NBT.A.2

What is a reasonable estimate for the number of players in the league?

• 460

• 520

• 500

• 600

What is the correct way to solve 32 times 17 using an area model?

• 544

• 560

• 530

• 550

Tags

CCSS.4.NBT.B.5

What is the total cost of the new seats in the auditorium?

• $3000

• $3330

• $3300

• $3360

Tags

CCSS.3.OA.D.8

What is the correct product of 25 times 18?

• 450

• 475

• 400

• 425

Tags

CCSS.4.NBT.B.5

What is the total cost of shirts and jeans at the clothing store?

• $1536

• $1500

• $1600

• $1550

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2