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# Mathematics

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### 10, 20, 120 and 1000 numbers chart

- Activity -

A 10, 20, 120 and 1000 numbers chart in one.

- Activity -

A 100 bead string with alternating groups of 5 or 10 red and 10 white beads.

### 100th Day Activities

- Lesson plan -

A collection of fun counting activities to celebrate the 100th Day on your interactive whiteboard.

### 100th Day Chart

- Activity -

Keep track of the number of schooldays until the 100th day of school on your smart board.

### 3D Shapes

- Activity -

Explore and describe geometric attributes in three-dimensional shapes.

### 3D Views

- Activity -

Find the correct view of a certain side of a 3D object.

### Abacus

- Activity -

Learn how to add and subtract.

### Abacus (vertical)

- Activity -

Learning how to add and subtract.

### Absolute Value

- Lesson plan -

Introduce absolute value and apply to find the absolute value of an integer.

### Absolute Value

- Lesson plan -

The objective of this lesson is to review absolute value, to simplify and evaluate absolute value expressions.

### Absolute Value Equations

- Lesson plan -

Solve absolute value equations. Set up absolute value equations and solve using the property that both positive and negative answers become positive.

- Lesson plan -

Add and subtract decimals to solve problems. Solve problems involving money.

- Lesson plan -

Develop fluency with addition and subtraction of non-negative rational numbers with unlike denominators.

- Lesson plan -

Develop fluency in adding and subtracting non-negative rational numbers (halves, fourths, eighths; thirds, sixths, twelfths; fifths, tenths, hundredths, thousandths; mixed numbers).

### Add & Subtract Fractions with Like Denominators

- Lesson plan -

Develop fluency with addition and subtraction of non-negative rational numbers with like denominators.

### Add & Subtract Whole Numbers

- Lesson plan -

Develop and analyze strategies for adding and subtracting numbers.