Add Within 100
Elementary School Math · Flashcards · Recall
ELEMENTARY SCHOOL MATH · FLASHCARDS
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QUESTION
What does it mean to "compose a ten" when adding within
100
100
100
?
QUESTION
Which place values do you add first in
2
2
2
-digit addition: tens or ones?
QUESTION
What does it mean to "compose a ten" when adding within
100
100
100
?
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ANSWER
Trade
10
10
10
ones for
1
1
1
ten. When ones sum to
10
10
10
or more, regroup as
1
1
1
ten.
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