Subtract Multiples of 10
1st Grade Math · Flashcards
1ST GRADE MATH · FLASHCARDS
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QUESTION
What is
70
−
50
70 - 50
70
−
50
?
QUESTION
What is the missing number in
90
−
□
=
0
90 - \square = 0
90
−
□
=
0
?
QUESTION
What is the value of
20
−
10
20 - 10
20
−
10
?
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ANSWER
10
10
10
. Subtract the tens digits:
2
−
1
=
1
2 - 1 = 1
2
−
1
=
1
, so
20
−
10
=
10
20 - 10 = 10
20
−
10
=
10
.
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