October 2018 1 20 Report

Na dzisiaj.! Klasa 5, Ułamki

Zad.1

a)2/5 + 3/10 = 4/10 + 3+10 =

b) 2/3 + 1/6 =

c) 2/3 + 2/9 =

d) 1 1/5 + 2 7/10 =

e) 2/5 - 1/10 =

f) 5/3 - 5/6 =

g) 1 1/2 - 3/4 =

h) 3 1/3 - 1 1/6

Zad.2

a) 1/3 + 3/4 = 4/12 + 9/12 = 13/12 = 1 1/12

2/3 + 5/7 =

5/6 + 4/9 =

5/8 + 7/10 =

b) 2 3/4 + 1/3 =

6 8/9 + 2 1/10 =

2 7/9 + 3 5/6 =

2 9/10 + 3 7/15

c) 3/4 - 2/5 =

5/8 - 2/5 =

3/4 - 1/6 =

1 5/6 - 3/8 =

d) 5 7/9 - 1 1/2 =

8 1/6 - 2 2/5 =

5 1/4 + 1 1/6 =

8 3/4 - 2 7/10

Zad.3

Każdy z naryswanych dzbanków ma pojemność 1 1/2. Pod rysunkami zapisano, ile soku nalano już do poszczególnych dzbanków. Pokoloruj ten drzbanek, do którego można dolać jeszcze 3/4 soku.

........................

.......................... (dzbanki)

.......................... 4/5 5/6 5/8

PROSZĘ W TYM ZAD. O OBLICZENIA SPOSOBEM PO WYŻEJ !


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