Mastering Double Digit Addition with Regrouping

The video tutorial teaches children how to use addition skills and place value to solve story problems. It begins with an introduction to the concept of place value and demonstrates how to solve addition problems using base 10 blocks. The first problem involves adding 32 and 27, while the second problem involves adding 47 and 29, incorporating regrouping. The tutorial emphasizes the importance of aligning numbers by place value and using base 10 blocks to visualize the addition process. The video concludes with encouragement to practice and improve these skills.

What is the first step to find the total number of students in both classes?

• Add the numbers

• Divide the numbers

• Subtract the numbers

• Multiply the numbers

Tags

CCSS.4.NBT.A.1

What place value does the number 3 have in 32?

• Thousands place

• Hundreds place

• Tens place

• Ones place

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many ones blocks are needed to represent the number 27?

• Seven

• Twenty

• Nine

• Two

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

After adding, what is the total number of tens?

• Four

• Five

• Six

• Seven

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

How many tens blocks are needed to represent the number 47?

• Nine

• Seven

• Four

• Two

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C

What is the correct representation of 29 using base 10 blocks?

• Two tens and six ones

• Three tens and nine ones

• Two tens and seven ones

• Two tens and nine ones

Tags

CCSS.2.NBT.A.1B

What does ten ones equal to?

• One ten

• Ten tens

• One hundred

• Five

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What mistake is corrected in the calculation of 47 plus 29?

• Forgetting to regroup

• Miscounting the tens blocks

• Adding tens and ones together

• Incorrectly counting the ones

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What concept is used when ten ones are exchanged for a tens block?

• Multiplication

• Regrouping

• Subtraction

• Division

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What is the result of adding 47 and 29?

• 66

• 76

• 77

• 86

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5