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### The Sum Machine

- Activity -

A machine to calculate all kinds of sums.

### Ruler

- Activity -

A simple way to measure things or to draw a straight line.
The ruler is adjustable in size and can be used on the entire page.

### Order of Operations

- Lesson plan -

Review understanding of order of operations and apply order of operations to solve number problems.

### Seriation

- Activity -

Students learn to look at images that are in the right order.

### Algebraic Expressions

- Lesson plan -

Write expressions and sentences as Algebraic expressions; evaluate Algebraic expressions.

### Odd & Even Numbers

- Lesson plan -

Identify odd and even numbers and determine whether a set of objects contains an odd or even number of objects. Sort a given set of numbers into even and odd.

### Decomposing Fractions

- Activity -

Decompose a fraction into a sum of fractions with the same denominator in more than one way, recording each decomposition by an equation.

### Net of a Polyhedron

- Activity -

Learn the properties of the net of a polyhedron.

### Money

- Lesson plan -

Use coins to make change up to \$1.00. Determine monetary values. Understand the use of decimals when writing dollar amounts

### Days, Weeks, Months & Years

- Lesson plan -

Identify days of the week and months of the year. Understand the relationship between days, months and years. Read a calendar.

### Addition and Subtraction

- Lesson plan -

Solve addition and subtraction problems, including word problems involving two-and-three digit numbers. Complete in addition and subtraction sentence with missing addends including inverse relationships between and addition and subtraction.

### Gallon Man

- Activity -

Gallon man is a graphical creation that allows students to better visualize the units of capacity measurement.

### Counting By Order

- Activity -

Through play the students will learn what numerals are.

### Calculator

- Activity -

An easy to use calculator for your smart board or interactive whiteboard. You can use this calculator widget in combination with any of our other tools. This calculator can be a good aid for our other mathematics tools.

### Distributive Property

- Activity -

Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a x b and a x c.

### Place Value Scheme: Decimal Numbers

- Activity -

Formatting numbers for decimals.
Students will learn to understand the place value of every number.