Mastering Multiplication with Expanded Form

Mr. Ahmed teaches how to multiply multi-digit numbers by a single-digit number using expanded form. The lesson includes several examples, such as multiplying 5 by 143, 3 by 1250, 4 by 213, 4 by 59, and 3 by 288. Each example demonstrates breaking down the multi-digit number into expanded form and multiplying each part by the single-digit number, followed by adding the results to get the final product.

What is the essential question of the lesson?

• How to subtract multi-digit numbers?

• How to use expanded form to multiply a multi-digit number by a one-digit number?

• How to add multi-digit numbers?

• How to divide multi-digit numbers?

Tags

CCSS.5.NBT.B.5

What is the expanded form of 143?

• 140 + 3

• 100 + 40 + 3

• 1 + 4 + 3

• 100 + 30 + 4

Tags

CCSS.2.NBT.A.3

What is the result of 5 times 100?

• 50

• 500

• 1000

• 5000

Tags

CCSS.5.NBT.B.5

How many toy animals does the shop order if each box has 1250 toy animals and there are 3 boxes?

• 3750

• 2500

• 1250

• 5000

Tags

CCSS.5.NBT.B.5

What is the expanded form of 1250?

• 1000 + 200 + 50

• 1000 + 250

• 1000 + 200 + 50 + 0

• 100 + 20 + 5

Tags

CCSS.4.NBT.A.2

What is the result of 3 times 1000?

• 300

• 3000

• 30

• 30000

Tags

CCSS.5.NBT.B.5

What is the expanded form of 213?

• 210 + 3

• 200 + 10 + 3

• 20 + 1 + 3

• 200 + 13

Tags

CCSS.2.NBT.A.3

What is the result of 4 times 200?

• 80

• 2000

• 400

• 800

Tags

CCSS.4.NBT.B.5

What is the expanded form of 59?

• 50 + 90

• 50 + 9

• 5 + 9

• 59

Tags

CCSS.1.NBT.A.1

What is the result of 3 times 288?

• 864

• 960

• 288

• 576

Tags

CCSS.4.NBT.B.5