Texas - Mathematics: 6th Grade

  • Essential Knowledge and Skills (TEKS)     Adopted: 2005

This correlation lists the recommended Gizmos for this state's curriculum standards. Click any Gizmo title below to go to the Gizmo Details page.

6.1: The student represents and uses rational numbers in a variety of equivalent forms.

6.1.A: compare and order non-negative rational numbers;

Comparing and Ordering Decimals
Comparing and Ordering Fractions
Comparing and Ordering Integers
Comparing and Ordering Rational Numbers
Fraction Garden (Comparing Fractions)
Modeling Decimals (Area and Grid Models)
Modeling Fractions (Area Models)
Ordering Percents, Fractions and Decimals
Ordering Percents, Fractions and Decimals Greater Than 1

6.1.B: generate equivalent forms of rational numbers including whole numbers, fractions, and decimals;

Improper Fractions and Mixed Numbers
Ordering Percents, Fractions and Decimals
Ordering Percents, Fractions and Decimals Greater Than 1
Percents, Fractions and Decimals

6.1.D: write prime factorizations using exponents;

Factor Trees (Factoring Numbers)
Finding Factors with Area Models

6.1.E: identify factors of a positive integer, common factors, and the greatest common factor of a set of positive integers; and

Factor Trees (Factoring Numbers)
Finding Factors with Area Models

6.2: The student adds, subtracts, multiplies, and divides to solve problems and justify solutions.

6.2.A: model addition and subtraction situations involving fractions with objects, pictures, words, and numbers;

Adding Fractions (Fraction Tiles)
Fraction Artist 1 (Area Models of Fractions)
Fraction Artist 2 (Area Models of Fractions)
Fraction Garden (Comparing Fractions)
Fractions Greater than One (Fraction Tiles)
Fractions with Unlike Denominators
Toy Factory (Set Models of Fractions)

6.2.B: use addition and subtraction to solve problems involving fractions and decimals;

Adding Decimals (Base-10 Blocks)
Adding Fractions (Fraction Tiles)
Fractions with Unlike Denominators
Subtracting Decimals (Base-10 Blocks)
Sums and Differences with Decimals

6.2.C: use multiplication and division of whole numbers to solve problems including situations involving equivalent ratios and rates;

Part:Part and Part:Whole Ratios
Polling: Neighborhood

6.2.E: use order of operations to simplify whole number expressions (without exponents) in problem solving situations.

Operations with Radical Expressions
Order of Operations

6.3: The student solves problems involving direct proportional relationships.

6.3.A: use ratios to describe proportional situations;

Beam to Moon (Ratios and Proportions)
Estimating Population Size
Part:Part and Part:Whole Ratios
Polling: Neighborhood
Proportions and Common Multipliers
Toy Factory (Set Models of Fractions)

6.3.B: represent ratios and percents with concrete models, fractions, and decimals; and

Part:Part and Part:Whole Ratios
Percents, Fractions and Decimals
Polling: Neighborhood

6.3.C: use ratios to make predictions in proportional situations.

Beam to Moon (Ratios and Proportions)
Estimating Population Size
Part:Part and Part:Whole Ratios
Polling: Neighborhood
Proportions and Common Multipliers
Toy Factory (Set Models of Fractions)

6.4: The student uses letters as variables in mathematical expressions to describe how one quantity changes when a related quantity changes.

6.4.A: use tables and symbols to represent and describe proportional and other relationships such as those involving conversions, arithmetic sequences (with a constant rate of change), perimeter and area; and

Arithmetic Sequences
Arithmetic and Geometric Sequences
Fido's Flower Bed (Perimeter and Area)
Mascot Election (Pictographs and Bar Graphs)
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)

6.4.B: use tables of data to generate formulas representing relationships involving perimeter, area, volume of a rectangular prism, etc.

Balancing Blocks (Volume)
Mascot Election (Pictographs and Bar Graphs)
Perimeter, Circumference, and Area - Activity B
Prisms and Cylinders - Activity A
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)
Rectangle: Perimeter and Area

6.5: The student uses letters to represent an unknown in an equation.

6.5.A: The student is expected to formulate equations from problem situations described by linear relationships.

Using Algebraic Equations
Using Algebraic Expressions

6.6: The student uses geometric vocabulary to describe angles, polygons, and circles.

6.6.A: use angle measurements to classify angles as acute, obtuse, or right;

Classifying Triangles

6.6.B: identify relationships involving angles in triangles and quadrilaterals; and

Area of Parallelograms - Activity A
Isosceles and Equilateral Triangles
Triangle Angle Sum - Activity A

6.6.C: describe the relationship between radius, diameter, and circumference of a circle.

Circle: Circumference and Area
Measuring Trees

6.7: The student uses coordinate geometry to identify location in two dimensions.

6.7.A: The student is expected to locate and name points on a coordinate plane using ordered pairs of non-negative rational numbers.

City Tour (Coordinates)
Points in the Coordinate Plane - Activity A

6.8: The student solves application problems involving estimation and measurement of length, area, time, temperature, volume, weight, and angles.

6.8.A: estimate measurements (including circumference) and evaluate reasonableness of results;

Measuring Motion
Measuring Trees

6.8.B: select and use appropriate units, tools, or formulas to measure and to solve problems involving length (including perimeter), area, time, temperature, volume, and weight;

Perimeter, Circumference, and Area - Activity B
Rectangle: Perimeter and Area

6.9: The student uses experimental and theoretical probability to make predictions.

6.9.A: construct sample spaces using lists and tree diagrams; and

Permutations and Combinations

6.9.B: find the probabilities of a simple event and its complement and describe the relationship between the two.

Probability Simulations
Spin the Big Wheel! (Probability)
Theoretical and Experimental Probability

6.10: The student uses statistical representations to analyze data.

6.10.A: select and use an appropriate representation for presenting and displaying different graphical representations of the same data including line plot, line graph, bar graph, and stem and leaf plot;

Box-and-Whisker Plots
Describing Data Using Statistics
Graphing Skills
Histograms
Line Plots
Mascot Election (Pictographs and Bar Graphs)
Mean, Median and Mode
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)
Scatter Plots - Activity A
Stem-and-Leaf Plots

6.10.B: identify mean (using concrete objects and pictorial models), median, mode, and range of a set of data;

Box-and-Whisker Plots
Describing Data Using Statistics
Line Plots
Mean, Median and Mode
Movie Reviewer (Mean and Median)
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)

6.10.C: sketch circle graphs to display data; and

Box-and-Whisker Plots
Describing Data Using Statistics
Graphing Skills
Histograms
Line Plots
Mascot Election (Pictographs and Bar Graphs)
Scatter Plots - Activity A
Stem-and-Leaf Plots

6.10.D: solve problems by collecting, organizing, displaying, and interpreting data.

Box-and-Whisker Plots
Describing Data Using Statistics
Histograms
Line Plots
Mascot Election (Pictographs and Bar Graphs)
Movie Reviewer (Mean and Median)
Reaction Time 1 (Graphs and Statistics)
Reaction Time 2 (Graphs and Statistics)
Scatter Plots - Activity A
Stem-and-Leaf Plots

Content correlation last revised: 5/22/2007