Multiply with Zeros
5 x 30
150
How would you estimate 17 x 3
20 x 3
13 x 4
52
13 x 2
26
10x3
30
40 x 20
800
How would you estimate 27 x 38
30 x 40
21x 2
42
17 x 3
51
6 x 4
24
90x 20
1,800
How would you estimate 22 x 12
20 x 10
112 x 6
672
102 x 8
816
7x 3
21
40 x 5
200
Estimate and Solve
18 x 35
20 x 40 = 800
205 x 3
615
431 x 6
2,586
6x 7
42
200 x 50
10,000
Estimate and Solve:
95 x 79
100 x 80 = 8,000
1203 x 4
4,812
3,450 x 2
6,900
7x 8
56