Determine Unknown Whole Numbers
1st Grade Math · Flashcards
1ST GRADE MATH · FLASHCARDS
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QUESTION
What number makes the equation true:
9
=
?
−
1
9 = ? - 1
9
=
?
−
1
?
QUESTION
What number makes the equation true:
14
=
?
+
9
14 = ? + 9
14
=
?
+
9
?
QUESTION
What number makes the equation true:
□
+
0
=
10
\Box + 0 = 10
□
+
0
=
10
?
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ANSWER
10
10
10
. Adding 0 doesn't change the number.
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