Upper and lower bounds: Error intervals
Write error intervals using inequality notation.
Unit: Upper and Lower Bounds
Lessons:
4 lessons
Upper and lower bounds: Adding and subtracting
Adding and subtracting upper and lower bounds.
Upper and lower bounds: Multiplying and dividing
Multiplying and dividing upper and lower bounds.
Upper and lower bounds: Application of skills
Applying the skills to upper and lower bound problems.
Units in Express Maths
Units in Number (N)
- Negative and Fractional Indices
- Upper and Lower Bounds
- Algebraic Fractions
- Factorise and solve quadratics (a > 1)
- Further Quadratic equations
- Recurring decimals
- Circle Theorems 1
- Circle Theorems 2
- Quadratic Graphs & Cubic and Reciprocal Graphs & Circle Graphs
- Straight Line Graphs 2 & Higher Straight Lines
- Compound Measures & Direct and Inverse Proportion
- Further graphs (Gradients/Area of curves)
- Parts of a circle 1 & 2
- Volume and Surface Area 2 & 3
- Higher Data 1 (CF and Box Plots)
- Histograms
- Quadratic Sequences & Further Algebra
- Algebraic Proof & Functions
- Advanced Trigonometry 1, 2, and 3
- Simplifying & Adding Surds
- Multiplying & Dividing Surds
- Higher Probability (Conditional and Further Set Notation)
- Enlargement and Similarity
- Other Graphs (Trig, Exponetial and Transformations)
- Constructions & Loci
- Simultaneous Equations Linear & Quadratic
- Solve equations numerically (Iteration)
- Higher Vectors 1 & 2
- Types of Numbers & Roots & Indices
- Rounding and Estimating
- Solving Equations 1 & 2
- Solve Inequalities and Represent on Number Line
- Factorise and solve a quadratic (a=1)
- Percentage increase and decrease
- Angle Facts & Parallel Lines
- Polygons 1 & 2
- Straight line graphs 1 & 2
- Quadratic Graphs & Cubic and Reciprocal Graphs
- Ratio 1 & 2
- Volume and Surface Area 2 & Views and Maps
- Scatter Diagrams & Frequency Trees & Averages
- Substitution and Rearranging Formulae & Rules of Indices
- Linear & Quadratic Sequences
- Pythagoras 1 & 2
- Trigonometry 1 & 2
- Repeated Percentage Change
- Standard Form 4 Operations
- Probability 2 & 3
- Rotation and Enlargement
- Similarity
- Simultaneous Equations
- Vectors 2
- Directed Numbers & 4 Rules & Rounding and Estimating
- Fractions 1 & 2
- Expand and Simplify & Factorise Linear & Solving Equations 1 & 2
- Percentages and FPD Equivalence
- Simple Graphs & Straight Line Graphs 1
- Quadratic Graphs & Travel Graphs
- Ratio 1
- Ratio 2 (Ratio and Fractions/Direct Proportion/Best Buy)
- Area and Perimeter & Circles
- Volume and Surface Area 1 (Prisms)
- Charts and tables & Frequency Charts
- Linear Sequences
- Pythagoras Theorem 1
- Pythagoras Theorem 2
- Factors, Multiples, and Primes & Venn Diagrams
- Standard Form Converting & 4 Operations
- Probability 1 & 2
- Bearings & Reflection
- Views and Maps & Constructions
- Solving equations 2 (Simple algebraic fractions)
- Translate and Vectors 1
- Adding Surds
- Rules of Indices (numbers)
- Directed Numbers & 4 Rules & Rounding and Estimating
- Types of Numbers & Roots & Indices
- Fractions 1 & 2
- Factors, Multiples, and Primes & Venn Diagrams
- Standard Form Converting & 4 Operations
- Percentages and FPD Equivalence
- Types of numbers and Rules of Indices
- Percentage increase and decrease
- Types of numbers
- Decimals
- Ratio 1 & 2
- Standard Form 4 Operations
- Ratio 1
- Factors Multiple and Primes
- Collecting, Indices, Expand and Simplify, Solving Equations 1
- Recurring decimals
- Adding and Subtracting Fractions
- Fraction equivalents
- Dividing and Rationalising surds
- Fractions 1 (adding and subtracting)
- Simplifying Surds
- Standard Form (Writing and converting)
- Volume 2
- Venn Diagrams
- Rounding and Estimating
- Revise - Solving equations
- FDP Equivalents
- Repeated Percentage Change
- Ratio 2 (Ratio and Fractions/Direct Proportion/Best Buy)
- Fractions 1, 2, and Fractional Change
- Percentages
- Fractions 2 (multiplying and dividing)
- Fraction Change
- HCF and LCM
- Upper and Lower Bounds
- Surface Area 2
- Multiplying Surds
- Scatter Diagrams & Frequency Trees & Averages
- Negative and Fractional Indices
- Directed Numbers
- 4 Rules of Number