Multiplication and Division of Length
Class: Pry 4
Subject: Mathematics
Topic: Multiplication and Division of Length
Multiplication is often referred to as related addition.
This is obtained when figures of the same values are added up repeatedly.
Length simply refers to how long an object is.
The longer side of a rectangle is referred to as the length while the shorter part of the rectangle is referred to as the breadth
Example 1.
The height of a toy block is 8 cm. What is
the total height of a stack of 6 such
blocks?
Solution:
8cm × 6 =48cm
Example 2:
The perimeter of the square below is 48
cm. Each side of the square is the same.
How long is each side?
cm
Solution:
48cm ÷4=12cm
Exercises
- A 40 cm long rope is cut into 5 equal
pieces. Each piece is used to make a
square. What’s the side length of each
square?
- Hill A is 120 m tall. Hill B is twice the
height of hill A. If hill C is twice the
height of hill B, what’s the total height of
the three hills?
3.Multiply 456cm by 15
4.Divide 624cm by 4
