Comparing Two-Digit Numbers with Base 10 Blocks

The video tutorial demonstrates how to compare numbers using base 10 blocks and place value. It covers two examples: comparing 17 to 38 and 20 to 25. The teacher explains the process of building numbers with tens and ones, identifying the larger number, and using the less than symbol. Students are encouraged to participate by repeating phrases and identifying symbols.

What is the sum of 10 and 7 in the base 10 blocks?

• 17

• 10

• 20

• 7

Tags

CCSS.2.OA.A.1

Which number is greater, 17 or 38?

• Cannot determine

• Both are equal

• 38

• 17

Tags

CCSS.1.NBT.B.3

What symbol represents 'less than'?

• <

• !

• >

• =

Tags

CCSS.3.NF.A.3D

How many tens are there in the number 25?

• 5

• 25

• 3

• 2

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

Which number is larger, 20 or 25?

• Both are equal

• 25

• Information not available

• 20

Tags

CCSS.1.NBT.B.3

If there are no ones in 20, how many ones are in 25?

• 25

• 5

• 1

• 0

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the correct way to read the comparison of 20 and 25?

• 20 is equal to 25

• 20 is less than 25

• Cannot be determined

• 20 is greater than 25

Tags

CCSS.1.NBT.B.3