Subtracting Three-Digit Numbers with Expanded Form

What is the main objective of today's lesson?

• To understand subtraction using expanded form with regrouping

• To learn subtraction of two-digit numbers

• To explore division techniques

• To practice multiplication of three-digit numbers

Tags

CCSS.4.NBT.B.6

CCSS.5.NBT.B.6

What does the term 'regrouping' imply in subtraction?

• Borrowing from a higher place value when needed

• Multiplying base ten blocks

• Subtracting numbers directly

• Adding numbers without borrowing

Tags

CCSS.7.NS.A.1C

In the subtraction process, what happens if you have more on the floor?

• You add more blocks

• You subtract without changes

• You borrow from the next place value

• You ignore the extra value

Tags

CCSS.2.NBT.B.7

What is the purpose of using base ten blocks in subtraction?

• To visualize the subtraction process

• To confuse the learner

• To make the process longer

• To avoid using numbers

Tags

CCSS.5.NBT.B.7

What does 'unbundling' refer to in the context of subtraction?

• Breaking a higher place value into lower place values

• Combining units into tens

• Adding numbers together

• None of the above

Tags

CCSS.7.NS.A.1C

What is the result of subtracting 234 minus 163 using the expanded form?

• 71

• 65

• 72

• 70

Tags

CCSS.2.NBT.B.7

How do you align numbers in expanded form for subtraction?

• In a random order

• Diagonally for clarity

• Vertically aligning place values

• Horizontally with symbols

Tags

CCSS.2.NBT.B.7

What should you do if there's more on the top during subtraction?

• Stop and check your numbers

• Continue without borrowing

• Always borrow regardless

• Restart the subtraction

Tags

CCSS.2.NBT.B.7

Why is it important to be neat when subtracting in expanded form?

• Neatness is not important

• Because it is faster

• To make the paper look clean

• To avoid mistakes in borrowing

Tags

CCSS.2.NBT.B.7

What should you do after regrouping in subtraction?

• Check your work for errors

• Repeat the process

• Move to the next higher place value

• None of the above

Tags

CCSS.5.NBT.B.7