1: Operations on Positive Rational Numbers--Paper Clips, Airplanes, and Spiders

Adding Decimals (Base-10 Blocks)
Adding Fractions (Fraction Tiles)
Fractions with Unlike Denominators
Multiplying Decimals (Area Model)

2: Addition and Subtraction of Integers--Elevation Ups and Downs

Adding and Subtracting Integers
Adding and Subtracting Integers with Chips

6: Writing and Solving Equations--Melody's Music Solution

Modeling and Solving Two-Step Equations
Solving Two-Step Equations

7: Solving and Graphing Inequalities--It Pays to Save

Solving Linear Inequalities using Multiplication and Division

8: Ratio and Unit Rates--Strange, but True

Estimating Population Size
Road Trip (Problem Solving)

9: Proportional Reasoning--Scrutinizing Coins

Determining a Spring Constant
Perimeters and Areas of Similar Figures

10: Proportional Relationships and Scale--Patriotic Proportions

Perimeters and Areas of Similar Figures

11: Percent Problems--Well, There Is More Than One Way

Percents and Proportions

12: More Percent Problems--Like Animals? Have I Got a Job for You!

Percent of Change
Simple and Compound Interest

13: Angle Pairs--Some of the Angles

Investigating Angle Theorems - Activity B

15: Similar Figures--The Same but Different

Similar Figures - Activity A

16: Circles: Circumference and Area--Gardens Galore

Circles: Circumference and Area

17: Composite Area--Tile Designs

Fido's Flower Bed (Perimeter and Area)

18: Sketching Solids--Putt-Putt Perspective

Surface and Lateral Area of Prisms and Cylinders
Surface and Lateral Area of Pyramids and Cones

19: Volume--Prisms and Pyramids--Berneen Wick's Candles

Prisms and Cylinders - Activity A

20: Exploring Probability--Spinner Games

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

23: Probability--Estimating Probabilities Using Simulation

Probability Simulations
Theoretical and Experimental Probability

25: Exploring Sampling Variability--Sample Speak

Box-and-Whisker Plots
Reaction Time 2 (Graphs and Statistics)
Real-Time Histogram
Time Estimation