Add and Subtract Within 1000
Elementary School Math · Flashcards · Recall
ELEMENTARY SCHOOL MATH · FLASHCARDS
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QUESTION
What does it mean to subtract by place value in
3
3
3
-digit subtraction?
QUESTION
Which property is shown by
(
120
+
80
)
+
5
=
120
+
(
80
+
5
)
(120 + 80) + 5 = 120 + (80 + 5)
(
120
+
80
)
+
5
=
120
+
(
80
+
5
)
?
QUESTION
Which property is shown by
246
+
300
=
300
+
246
246 + 300 = 300 + 246
246
+
300
=
300
+
246
?
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ANSWER
Commutative property of addition. Order doesn't matter when adding numbers.
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