Before proceeding to the solution of examples and problems be sure to read the theoretical part of the lesson
Subtracting decimals
1. Work out
17.5
–
6.2
а) 12.3; b) 11.7;
c) 10.3; d) 11.3.
2. Work out
8.36
–
2.8
а) 5.56;
b) 5.54;
c) 6.56; d) 5.86.
3. Work out
14.0
–
2.6
а) 10.4; b) 12.4;
c) 11.4;
d) 11.6.
4. Work out
2628.32
– 316.21
а) 2312.09;
b) 2312.11;
c) 2311.11;
d) 2312.21.
5. Work out
68.17
– 26.32
а) 41.85;
b) 41.84;
c) 41.75; d) 42.85.
6. Work out
2.174 – 1.38
а) 0.793; b) 0.794;
c) 0.784; d) 0.796.
7. Work out
213.72
– 61.36
а) 152.46; b) 152.35;
c) 152.36;
d) 151.36.
8. Work out the following (Remember to line up
the decimal point)
7 – 4.4
а) 2.5;
b) 3.6;
c) 2.7;
d) 2.6.
9. Work out the following (Remember to line up
the decimal point)
7.7 – 5.39
а) 2.38; b) 2.31;
c) 1.31; d) 2.34.
10. Work out
107.2 – 68.14
а) 39.06;
b) 39.08;
c) 38.06; d) 39.16.
11. Find the
missing digits
– 4. □3
3.73
а) 8.57
– 4.84 = 3.73;
b) 8.46
– 4.73 = 3.73;
c) 7.56
– 4.83 = 3.73;
d) 8.56 – 4.83 = 3.73.
12. Find the
missing digits
3.17□
– □. 4□8
0. □48
а) 3.176
– 2.428 = 0.648;
b) 3.178
– 2.428 = 0.748;
c) 3.176 – 2.428 = 0.748;
d) 3.176
– 3.428 = 0.748.
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