Exploring Addition Regrouping Concepts

What is the first rule to consider before starting calculations?

• Always double-check the problem statement

• Always verify the calculations

• Always check the Sun

• Always start with the tens place

Tags

CCSS.6.NS.B.3

What should you do when a two-digit number doesn't fit in the ones place?

• Ignore the extra digit

• Start over the calculation

• Regroup the numbers

• Move to the tens place immediately

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What does 'regrouping' involve in the context of addition?

• Adding numbers randomly

• Grouping numbers into tens and ones

• None of the above

• Subtracting instead of adding

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

After regrouping, where do you add the bundle of ten?

• Nowhere, keep it aside

• To the hundreds place

• To the tens place

• To the ones place

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What happens to the ones that are left after moving the bundle of ten?

• They are erased

• They stay in the tens place

• They stay in the ones place

• They are added to the final sum

Tags

CCSS.1.NBT.B.2B

CCSS.1.NBT.B.2C