Activity 10: Solve Me
Let's Find Out: operations on rational numbers
Let's Use These Materials: Mathematics notebook and ballpen
Let's Do It This Way:
Perform the indicated operations. Write the answer in your Mathematics notebook.
Hi there! I am the amazing MATH WIZARD,
I challenge you to answer the given below.
If you can answer these correctly, then you
are an amazing MATH WIZARD too.
68.9 + 4.5
89.3 -21.5
71.2 X 6.1
(A)
(B)
(C).
83.2 - 52
3 5
+
2+2
NI
3 1
5*2
(D)
(E)
(F).
1 2
2 3
4 5
-
5
2
(G).
(H)
Share
Answer:
A.73.4
B.67.8
C.4,343.2
Answer:
a) 73.4
b) 67.8
c) 434.32
d) 1.6
e) 4/1 or 4
f)
g) -1/6
h)