Basic Operations with Numbers up to Seven Digits (Worksheet)

a) Add these numbers.
1.63845+723130=
2.319543+284127=
3.4203+13014+851760=
4.15113+502264+436192=

b) Find the total using the standard written method.
1.162036+1511+320112=
2.92709+146352+530634=


c) Subtract the following.
1.593847-62631=
2.816724-508513=
3.709364-615143=
4.475369-135426=

d) Find the difference using the standard written method.
1.596847-234104-61532=
2.726654-311524-108104=
3.483656-51493-372028=


e) Multiply.
1.62013x3=
2.75921x4=
3.50684x7=
4.29537x8=

f) Find the products.
1.25068x10=
2.73114x10=
3.1849x100=
4.9223x100=
5.645x1000=


g) Do the following divisions.
1.93609÷3=
2.28194÷8=
3.419373÷9=
4.660378÷5=

h) Divide the following.
1.476838÷18=
2.136112÷26=
3.290000÷40=

i) Find quotients.
1.260270÷10=
2.872359÷10=
3.446800÷100=
4.193205÷100=