Level 2: Beehives in the Trees
At this level addition problems are basic facts where both addends are between 10 and 20.
Similarly for subtraction, the subtrahend up to 40 and the minuend between 10 and 20.
For multiplication, practice problems range from multiples of 5 to 15.
Likewise, in division practice, the dividend is less than 400 and the divisor between 5 and 15.