Home > First Grade Math > O.4 Add and subtract multiples of ten
O.4 Add and subtract multiples of ten
Add.
30 + 40 =
Subtract.
40 β 10 =
100 β 30 =
60 β 20 =
20 + 50 =
50 + 30 =
60 + 30 =
70 β 40 =
10 + 30 =
50 + 20 =
90 β 20 =
70 β 30 =
40 + 20 =
80 β 50 =
90 β 40 =
Your score is
The average score is 0%
Restart quiz
