Mastering Addition with Regrouping

The video tutorial covers three main rules for solving addition problems. Rule one is to check the sign, rule two is to ensure the problem is correct and aligned, and rule three involves starting addition in the one's place. The tutorial emphasizes the importance of regrouping when a two-digit number doesn't fit in the space, by making a bundle of 10 and moving it over. The process is repeated until the addition is complete, with a focus on keeping the remaining ones in the one's place.

What is the first rule to consider before solving a problem?

• Ensure the problem is written correctly

• Always start in the one's place

• Check the sign

• Make a bundle of 10

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

What should you do if a two-digit number doesn't fit in the space?

• Subtract instead of adding

• Regroup the numbers

• Ignore the extra digit

• Start over

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CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

How do you handle excess when adding numbers in the one's place?

• Erase and correct

• Write it down below

• Carry over to the tens place

• Leave it as is

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CCSS.2.NBT.B.7

What is the process of regrouping primarily involve?

• Dividing the numbers into smaller parts

• Making bundles of 10 and moving them over

• Adding numbers in any order

• Multiplying instead of adding

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

After regrouping, where do the remaining ones stay?

• In the tens place

• In the hundreds place

• In the one's place

• They are discarded

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5