Mental Math
60*3=
180
12 X 10 to the third power
12,000
0.8 X 6=
4.8
2.6 X 0.7=
1.82
Round to the nearest whole number: 23.6
24
600 X 30=
18,000
34 X 10 to the fourth power=
340,000
0.3 X 40=
12
8.5 X 8.5=
72.25
Round to the nearest hundred:999
1,000
50 X 40
2,000
14 X 10 to the fourth power=
140,000
0.7 X 333=
233.1
246.1 X 0.09=
22.149
Round to the nearest tenth: 34.65
34.7
500 X 7=
3500
70 X 10 to the second power=
7,000
2.15 X 35=
75.25
4.3 X 2.4=
10.32
Round to the nearest hundredth 76.311
76.31
40 X 300
12,000
70 X 10 to the 4th power=
700,000
2.03 X 111=
225.33
3.8 X 4.5=
17.1
Round to the nearest hundredth: 98.456
98.46