NAME ______________________________ DATE _______________
ACTIVITY
1 Solve these problems.
10 × 12 = _______________
20 × 10 = _______________
20 × 12 = _______________
8 × 10 = _______________
28 × 2 = _______________
Now solve 28 × 12 = _______________.
How did you solve it?
2 Solve these problems.
35 × 10 = _______________
35 × 20 = _______________
10 × 25 = _______________
20 × 25 = _______________
30 × 25 = _______________
Now solve 35 × 25 = _______________.
How did you solve it?
3 Solve these problems.
10 × 21 = _______________
20 × 21 = _______________
5 × 21 = _______________
20 × 20 = _______________
7 × 20 = _______________
Now solve 27 × 21 = _______________.
How did you solve it?
4 Solve these problems.
100 × 7 = _______________
40 × 7 = _______________
15 × 7 = _______________
150 × 7 = _______________
Now solve 146 × 7 = _______________.
How did you solve it?