Mastering 3-Digit Subtraction Techniques

The video tutorial introduces second graders to three-digit subtraction. It begins with an explanation of subtraction as finding the difference, contrasting it with addition. The teacher demonstrates subtraction using visual aids, starting with the example of subtracting 424 from 539. Students are encouraged to draw along to better understand the process. The tutorial continues with another example, subtracting 203 from 356, emphasizing the importance of practice. The teacher concludes with encouragement and advice for students to keep practicing subtraction problems.

What is the first step in three-digit subtraction as explained in the video?

• Subtract the ones

• Draw the numbers

• Subtract the hundreds

• Subtract the tens

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is emphasized as the answer to a subtraction problem?

• The quotient

• The difference

• The product

• The sum

What does the teacher suggest using for practicing subtraction?

• A calculator

• A computer

• A whiteboard or paper

• A textbook

Tags

CCSS.5.NBT.B.7

Why is it important to practice along with the video according to the teacher?

• It's easier to remember

• It helps in better understanding

• It's mandatory

• It's more fun

Tags

CCSS.RI.2.3

CCSS.RI.2.5

CCSS.RI.3.3

CCSS.RI.4.3

CCSS.RI.4.5

What is the result of subtracting the tens in the number 424 from 539?

• 4 tens

• 2 tens

• 1 ten

• 3 tens

Tags

CCSS.2.NBT.B.7

After subtracting 424 from 539, how many hundreds are left?

• 3 hundreds

• 4 hundreds

• 2 hundreds

• 1 hundred

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How many ones are left after subtracting 424 from 539?

• 3 ones

• 6 ones

• 4 ones

• 5 ones

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

What is the correct subtraction of 203 from 356?

• 173

• 153

• 143

• 163

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

How many tens are left after subtracting 203 from 356?

• 5 tens

• 4 tens

• 2 tens

• 3 tens

Tags

CCSS.2.NBT.B.7

What encouragement does the teacher give at the end of the video?

• Try harder next time

• Watch the video again

• Keep practicing

• Study another subject

Tags

CCSS.RI.1.7

CCSS.RI.2.7

CCSS.RI.3.7

CCSS.RI.4.7

CCSS.RL.3.7