## Algebra 1

Chapter 1
Point Plotter

Practice plotting ordered pairs on a graph.

Diffy Choose between whole numbers, integers, fractions, decimals, or money amounts to find the difference between the pair of numbers on each side of a square
Rectangle Division Practice division using 10 x 10, 20 x 20, or 30 x 30 grids
Rectangle Multiplication Visualize the product of two factors using an array
Rectangle Multiplication of Integers Visualize the product of two integers

Chapter 2
Algebra Balance Scales Solve simple linear equations with one unknown using a balance scale
Algebra Balance Scales-Negatives Solve simple linear equations with integers and one unknown using a balance scale
Color Chips-Addition Use colored chips to model and solve addition equations with integers
Color Chips-Subtraction Use colored chips to model and solve subtraction equations with integers
Rectangle Division Practice division using 10 x 10, 20 x 20, or 30 x 30 grids

Chapter 3
Grapher Graph functions
Towers of Hanoi Move a stack of disks from one peg to another in the fewest moves

Chapter 4
Block Patterns

Analyze sequences of figures using pictures, tables, plots, and graphs.

Fibonacci Sequence Pick a starting value and explore the terms in the Fibonacci Sequence
Function Machine Explore the concept of a function using a function machine
Mastermind Use logical reasoning to discover the color sequence of 4 pegs
Peg Puzzle Switch the pegs on the left with the pegs on the right

Chapter 5
Line Plotter

Practice drawing lines through a given point having a specified slope.

Function Machine Explore the concept of a function using a function machine
Geoboad-Coordinate Construct reflections
Grapher Graph functions

Chapter 6
Grapher Graph functions

Chapter 7
Algebra Tiles Use algebra tiles to multiply and square binomials; factor polynomials; apply the Distributive Law
Attribute Trains

Complete patterns of shapes, numbers, or colors

Color Chips-Addition Use colored chips to model and solve addition equations with integers
Color Chips-Subtraction Use colored chips to model and solve subtraction equations with integers
Color Patterns Recognize, describe, and extend color patterns
Conway's Game of Life Observe what happens to a given pattern of cells through successive generations
Fifteen Puzzle Move tiles around to arrange them in a specific pattern
Number Patterns Recognize patterns in number sequences
Number Puzzles Arrange numbers in positions in a diagram so that all numbers in a line add up to a given value
Pascal's Triangle View number patterns or create your own
Pattern Blocks Create various patterns of shape, including symmetrical patterns
Polyominoes Create patterns and explore creating different shapes with squares

Chapter 8
Factor Tree Find the prime factorization of one or two numbers
Rectangle Multiplication Visualize the product of two factors using an array
Rectangle Multiplication of Integers Visualize the product of two integers

Chapter 9
Right Triangle Solver

Practice using the Pythagorean theorem and the definitions of the trigonometric functions to solve for unknown sides and angles of a right triangle.

Pythagorean Theorem Explore two proofs of the Pythagorean Theorem

Chapter 10
Counting All Pairs Plot points on a coordinate grid
Grapher Graph functions

Chapter 11
Percent Grids

Represent, name, and explore percentages using hundreds grids.

Loan Calculator Explore the size of payments required to pay off a loan
Percentages Find the percent of a number
Percentages Find what percent one number is of another
Percentages Find the original number when a percent of it is known
Savings Calculator Calculate the interest and total savings on single or regular deposits

Chapter 12
Fractions-Adding Add fractions with like and unlike denominators
Fractions-Comparing Recognize and generate equivalent forms of commonly used fractions to compare fractions
Fractions-Equivalent Recognize and generate equivalent forms of commonly used fractions
Fractions-Naming Identify the fraction that represents the model
Fractions-Parts of a Whole Model commonly used fractions
Fractions-Rectangle Multiplication Use the area model to multiply fractions
Fractions-Visualizing Model commonly used fractions using various shapes

Chapter 13
Line Plotter

Practice drawing lines through a given point having a specified slope.

Grapher Graph functions

Chapter 14
Percent Grids

Represent, name, and explore percentages using hundreds grids.

Abacus

Represent numbers using an abacus (place value)

Box Model

Model probability experiments, such as tossing a number cube or flipping a coin

Box Plot Create box-and-whisker plots and histograms from data
Coin Tossing Use a random generator to model tossing a coin repeatedly and recording the results
Histogram Create box-and-whisker plots and histograms from data
Percentages Find the percent of a number
Percentages Find what percent one number is of another
Percentages Find the original number when a percent of it is known
Savings Calculator Calculate the interest and total savings on single or regular deposits
Scatterplot Determine the line of best fit based on data entered
Sieve of Eratosthenes Explore patterns and relationships involving multiples
Spinners Spin a spinner and record the results
Stick or Switch Explore the probabilty of winning a "Let's Make a Deal" game