Nombre:
Fecha:
Profesor: Jesús
Curso:5b
Taller de refuerzo de Matemáticas segundo periodo Why did the boy eat his homework? Because the teacher said it was a piece of cake.
1. Representar cada una de las siguientes fracciones: de forma gráfica y en segmento de recta, además escribir cómo se lee.
2. Realizar las siguientes sumas de fracciones homogéneas. 17 19
+
13 19
=
88 100
17 25
+
9 25
=
7 40
+
35 40
3 10
+
8 10
=
13 20
+
10 19
+
17 19
=
6 25
+
3 6 13 18
+
2 6
16 18
+
2 8
=
1 8
+
47 50
=
+
5 100
10 15
+
7 15
=
6 10
+
3 10
=
43 50
+
3 50
=
=
9 14
+
5 14
=
25 30
+
26 30
=
12 14
+
7 14
=
2 20
=
18 25
+
6 25
=
7 9
7 14
+
13 14
=
17 25
=
1 2
1 25
=
1 2
=
+
91 100
+
44 100
= 7 50
+
=
3 25
+
=
=
4 40
+
39 40
=
2 4
16 30
+
21 30
=
18 19
+
2 19
=
16 50
+
22 50
=
13 21
+
23 40
=
1 6
=
4 9
+
4 6
+
=
1 4
+
=
3. Realizar las siguientes sumas con el metodo de Minimo común Multiplo (realizar el procedimiento). 10 20 1 2
17 40
+ +
2 6
10 14
=
5 7
=
14 17
+ 1 3
+
1 4
=
7 18
=
1 6
+ +
= 18 40
=
12 14
+
2 16
10 19
+
1 7
=
1 3
=
+
34 50
=
4. Realizar las siguientes restas de fracciones homogéneas 2 1 – 8 = 8 14 12 – 15 = 15 82 22 – 100 = 100 12 11 – 13 = 13
5 4 – 8 = 8 16 15 – 20 20 10 6 – 25 25 9 4 – 14 14
10 9 – 11 11 3 1 – 4 = 4 7 5 – 8 = 8 18 11 – 40 40
= = =
5 2 – 11 11 3 2 – 4 = 4 15 14 – 18 18 16 15 – 30 30
=
=
=
= =
38 26 – 40 40 7 6 – 9 = 9 49 31 – 50 50 4 3 – 8 = 8
=
=
5. Realizar las siguientes multiplicaciones de fracciones 6 8 × 9 = 15 1 71 × 100 = 7 2 8 × 12 = 20 11 29 × 30 = 13
6 50 4 13 12 17 11 17
× × × ×
1 = 15 2 = 3 1 = 11 9 = 17
2 41 × 50 = 5 2 16 × 30 = 3 5 1 × 40 = 7 12 7 × 19 = 14
1 16 × 25 = 3 3 3 × 4 = 18 7 4 × 18 = 17 1 16 × 19 = 2
5 16 × 50 = 18 5 4 × 19 = 7 4 1 × 3 = 11 3 5 × 7 = 5
7. Realice las siguientes sumas de numeros decimales 72,133 + 744,20 = 1,1599 + 8,8287 = 2.730,0 + 73,299 = 216,72 + 3.063,0 = 500,0 + 338,11 =
843,96 + 5,0079 = 9,0492 + 2.399,8 = 4,8971 + 4.775,4 = 8.082,8 + 2,0809 = 931,17 + 65,371 =
24,141 + 5,7480 = 762,09 + 0,0703 = 9,0928 + 4,5366 = 5.644,0 + 500,34 = 107,10 + 183,35 =
3,7897 37,977 13,928 37,979 146,15
+ + + + +
3,2718 = 161,75 = 9.961,4 = 8,4702 = 4.438,6 =
61.554 37.411 83.800 90.041 47.793
20.460 75.398 19.552 30.240 83.628
– – – – –
843 = 32 = 67 = 85 = 554 =
8. Realice las siguientes restas de numeros decimales 95.789 23.978 53.952 54.611 54.607
– – – – –
9 = 18.543 = 34.294 = 77 = 86 =
42.176 90.195 96.037 39.475 71.720
– – – – –
47 = 4 = 9.911 = 269 = 43.541 =
– – – – –
32.843 = 91 = 509 = 71.981 = 82 =
6. Realice las siguientes multiplicaciones de numeros decimales (realice el procedimiento).
7.260,464 × 219 = 60.036,98 × 50,8 =
197,6084 × 178 = 357,2022 × 395 =
48.453,68 × 65,9 = 2.872.789 × 815 =
99.157 × 5,97 = 3.453.485 × 460 =
