5 - decimal place 3 - drag & drop
6 - decimal place 4 - drop down
24 - multiply multi-digit 4 - interactive
27 - operations 2 - interactive
30 - operations 3 - interactive
4 - unlike denominators - interactive
5 - unlike denom 2 - interactive
8 - unlike denom 5 - interactive
10 - unlike denom 7 - interactive
11 - unlike denom 8 - interactive
12 - unlike denom 9 - drag & drop
14 - word prob 2 - interactive
15 - word prob 3 - interactive
16 - word prob 4 - interactive
17 - word prob 5 - interactive
18 - word prob 6 - interactive
19 - word prob 7 - interactive
20 - word prob 8 - interactive
21 - word prob 9 - interactive
22 - word prob 10 - interactive
23 - word prob 11 - interactive
25 - expression 2 - interactive
28 - mult fraction 3 - drop down
5 - expression 5 - drag & drop
6 - expression 6 - drag & drop