Representing 2-Digit Numbers Using Place Value Model

This video tutorial teaches how to represent 2-digit numbers using a place value model. It begins with an introduction to place value and explores building teen numbers by grouping tens and identifying leftovers. The lesson progresses to larger 2-digit numbers, emphasizing the importance of counting cubes correctly. The video also covers writing numbers in expanded form and provides practice with block images to reinforce learning. By the end, students should understand how to break down numbers into tens and ones and write them as equations.

What is the place value model used for in this lesson?

• To represent fractions

• To represent single-digit numbers

• To represent 3-digit numbers

• To represent 2-digit numbers

How many groups of 10 are there in the number 15?

• Two groups of 10

• No groups of 10

• Three groups of 10

• One group of 10

What is the expanded form of the number 34?

• 3 plus 40

• 40 plus 3

• 30 plus 4

• 4 plus 30

Which student counted the cubes correctly?

• The student who counted 10, 20, 21, 22, 23, 24, 25

• The student who counted 10, 20, 30, 40, 50, 60, 70

• Neither student

• Both students

What is the expanded form of the number 44?

• 40 plus 4

• 4 plus 40

• 44 plus 0

• 0 plus 44

How many tens and ones are in the number 68?

• 6 tens and 8 ones

• 8 tens and 6 ones

• 0 tens and 68 ones

• 6 tens and 0 ones

What is the expanded form of the number 56?

• 50 plus 6

• 5 plus 60

• 56 plus 0

• 6 plus 50