Real Math talk good practice examples of mathematics | Page 10

5. 2 min Tasks for homework Hand out differentiated tasks. Look through their task
and ask if they don‘t
understand how to do it
6. 2 min Self-evaluation and
reflection Applying brainstorming I
encourage students to say what
they have learnt, what they find
the most difficult and what they
would like to repeat and why we
need it. Students estimate
themselves.
7. 1 min Conclusion Generalize remarks
Table 1
46a
Š
46f
U
46k
K
46j
I
47b
N
44a
J
46a) 16 x -10·4 x +16<0
46f) 3 x+1 +3 2-x >28
46k) (2-4 x )(2+4 x )≤0
46j)
(
1 x
1
) 10  ( ) x  25  0
25
5
47b) 0,04 x -4·0,2 x -5≥0
16
1
1 7 
44a) Find the answer of the biggest whole inequality ( ( ) x  ( ) x  1 .
2
2
Table 2
(- ∞; -1)U(-1;
∞)
(0,5; 1,5)
3
(- ∞; -1)U(2;
∞)
0
X≥0.5