Chapters
Exercise 1
Order the following decimal numbers from largest to smallest:
5.4, 5.004, 5.0004, 5.04, 4.4, 4.98, 5, 5.024
7.3, 7.003, 7.0003, 7.03, 6.5, 6.87, 7, 7.037
Exercise 2
Sort, by the type, the decimal numbers corresponding to the fractions:
, , , , ,
, , ,
Exercise 3
Calculate:
3.6669 · 1000 =
3.6669 : 1000 =
0.036 · 10 =
0.036 : 10 =
0.000012 · 10 000 =
123.005 : 10 000 =
26.36 · 10 000 =
2.36 : 1000 =
0.261 · 100 =
5.036 : 10 =
Exercise 4
Calculate:
324 : 0.018
12.96 : 6
Solution of exercise 1
Order the following decimal numbers from largest to smallest:
5.4, 5.004, 5.0004, 5.04, 4.4, 4.98, 5, 5.024
4.4 < 4.98 < 5 < 5.0004 < 5.004 < 5.024 < 5.04 < 5.4
7.3, 7.003, 7.0003, 7.03, 6.5, 6.87, 7, 7.037
6.5 < 6.87 < 7 < 7.0003 < 7.003 < 7.03 < 7.037 <7.3
Solution of exercise 2
Sort, by the type, the decimal numbers corresponding to the fractions:
, , , , ,
Exact decimal
Repeating decimal
Exact decimal
Repeating decimal
Repeating decimal
Repeating decimal
Decimal exacto
Decimal exacto
Periodico mixto
Periodico mixto
Solution of exercise 3
Calculate:
3.6669 · 1000 = 3666.9
3.6669 : 1000 = 0.0036669
0.036 · 10 = 0.36
0.036 : 10 = 0.0036
0.000012 · 10 000 = 0.12
123.005 : 10 000 = 0.0123005
26.36 · 10 000 = 263 600
2.36 : 1 000 = 0.00236
0.261 · 100 = 26.1
5.036 : 10 = 0.5036
Solution of exercise 4
Calculate:
324 : 0.018
12.96 : 6