Understanding Place Value Concepts

In this lesson, Maria and her mascot Matthew explore three-digit numbers. They demonstrate how to form and break down these numbers into hundreds, tens, and ones. The lesson includes exercises on writing numbers as sums of their parts and solving puzzles with scrambled number parts. Additionally, triangle puzzles are introduced to challenge students' understanding of number formation and subtraction.

What is the main focus of this lesson?

• Exploring geometry

• Learning about three-digit numbers

• Understanding fractions

• Studying multiplication

How many hundreds are in the number 50048?

• 500

• 50

• 5000

• 5

In the number 50048, how many tens are there?

• 4

• 4000

• 400

• 40

What is the sum of the parts of 50048?

• 500 + 4 + 8

• 500 + 40 + 8

• 50 + 40 + 8

• 5000 + 40 + 8

How many tens are in the number 209?

• 2

• 0

• 20

• 9

What is the sum of the parts of 209?

• 200 + 0 + 9

• 200 + 9

• 2 + 0 + 9

• 20 + 9

What is the sum of the parts of 985?

• 9 + 8 + 5

• 900 + 8 + 5

• 90 + 85

• 900 + 80 + 5

How is the number 610 broken down?

• 600 + 1

• 600 + 10

• 6 + 10

• 60 + 10

How do you write 265 as a sum of its parts?

• 260 + 5

• 2 + 6 + 5

• 20 + 65

• 200 + 60 + 5

What is the correct order to write the number 759?

• 75 + 9

• 700 + 50 + 9

• 7 + 5 + 9

• 759