3 4 0.75 75% BEDMAS

Unit 1 – Numeracy
Lesson
Homework
1.1 – Introduction to Integers
Worksheet
1.2 – Adding and Subtracting Integers
Worksheet
1.3 – Order of Operations with Integers
Worksheet
1.4 – Fractions, Decimals and Percents
Worksheet
1.5 – Percent Sentences
Worksheet
1.6 – Operations with Rational Numbers (Part 1)
Worksheet
1.7 – Operations with Rational Numbers (Part 2)
Worksheet
3
4
Fractions, decimals and percentages can be
used to represent the same number.
Operations with these numbers can be
performed by following certain rules.
0.75
BEDMAS
75%
History of Numbers
As early as 1800 BC, people in ancient
Egypt were writing fractions using
hieroglyphs.
In China in 200 BC, positive numbers were
represented by red rods and negative numbers by
black.
One of the earliest examples of the rules of arithmetic
dealing with negative numbers appears in India in
620 AD. Negative numbers were called debts and
positive numbers called fortunes.
A debt subtracted from zero is a fortune.
A fortune subtracted from zero is a debt.
The product or quotient of two debts is one fortune.
The product or quotient of a debt and a fortune is a debt.
The product or quotient of a fortune and a debt is a debt