2-Digit Addition with Regrouping
Flashcard
•
Mathematics
•
2nd Grade
•
Practice Problem
•
Hard
+5
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is 2-digit addition with regrouping?
Back
2-digit addition with regrouping is a method used to add two numbers that are both two digits long, where the sum of the digits in a column exceeds 9, requiring a carry to the next column.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
2.
FLASHCARD QUESTION
Front
How do you perform 2-digit addition without regrouping?
Back
To perform 2-digit addition without regrouping, simply add the digits in each column (ones and tens) without carrying over any value to the next column.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
3.
FLASHCARD QUESTION
Front
What is the first step in 2-digit addition with regrouping?
Back
The first step is to align the numbers by their place values (ones under ones, tens under tens) and start adding from the rightmost column.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
4.
FLASHCARD QUESTION
Front
What do you do if the sum of the ones column exceeds 9?
Back
If the sum of the ones column exceeds 9, you write down the last digit of the sum and carry over the tens digit to the next column.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
5.
FLASHCARD QUESTION
Front
In the problem 21 + 47, what is the sum of the ones place?
Back
In the problem 21 + 47, the sum of the ones place is 1 + 7 = 8.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
6.
FLASHCARD QUESTION
Front
In the problem 21 + 47, what is the sum of the tens place after regrouping?
Back
In the problem 21 + 47, after carrying over, the sum of the tens place is 2 + 4 + 1 (from the carry) = 7.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
7.
FLASHCARD QUESTION
Front
What is the total when adding 63 + 25?
Back
The total when adding 63 + 25 is 88.
Tags
CCSS.1.NBT.C.4
CCSS.2.NBT.B.5
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