# Numbers

• Natural, counting and whole numbers
• Negative numbers
• Handy Hint #1 - Introducing brackets
• Minus signs outside brackets

THE NUMBER LINE

• Number line question
• Negative numbers on the calculator
• Negative numbers on the calculator
• Composite numbers
• Factors and products
• Prime numbers
• Square numbers
• Integers

FRACTIONS

• Writing fractions
• Proper fractions
• Equivalent fractions
• Improper fractions
• Mixed numbers
• Reciprocals
• Simplifying fractions
• Greatest common factor
• Greatest common factor question
• Greatest common factor – one technique
• Handy Hint #2 - Greatest common factor
• Greatest common factor question
• Fractions as percentages

PROBLEMS USING PERCENTAGES

• Don’t be a sucker at clearance sales
• Commission

DOING CALCULATIONS WITH FRACTIONS

• Subtraction with fractions
• Fraction subtraction question
• Multiplication with fractions
• Handy Hint #3 - Multiplying with fractions
• Fraction multiplication question
• Dividing with fractions
• Handy Hint #4 - Dividing with fractions
• Fraction division question
• Calculator fractions question

DECIMAL NUMBERS

ROUNDING

• Rounding to a number of decimal places
• Handy Hint #5 - Rounding to decimal places
• Rounding question
• Handy Hint #6 - Tricky rounding
• Rounding to a number of significant figures
• What are significant digits?
• Handy Hint #7 - Rounding to significant figures
• Significant figures question
• Significant figures question