CONSOLIDATION LESSON
DIRECT AND INVERSE
PROPORTION
Mental Math:
X
4
Y
?
9
?
12
72
Hook question
Answer to the Hook question:
Temperature
35º
38º
No.Of Bacterias
7 million
B
35 x B = 38 X 7
B=
38 x 7
35
B = 7.6 millions
objective:
Learn with Myimath
Learning check -1
Guided practice:
No. of
Pipes
3
6
time
60
?
Learning check:2
No. of
students
12
20
Litres of
water
3
W
12 x W= 3 x 20
W = 3 x 20
12
Since the number of students increases , the
amount of water taken also increase,so direct
proportion.
Cross multiply
W = 60/ 12
= 5 lt
MUST
COULD:
SHOULD:
Plenary
https://quizizz.com/admin/quiz/602ed63122a1a1001ca3b503/direct-and-inverseproportion-grade
Reflection: