 The new Gynzy Flash-free Sort

### Adding & Subtracting Decimals

- Lesson plan -

Add and subtract decimals, with instruction and practice targeted at correctly organizing numbers to avoid typical computational errors.

### Fractions, Decimals & Percents

- Lesson plan -

Write numbers as percents, fractions and decimals. Match equivalent fractions, decimals and percents. ### Area - Grid based

- Activity -

Find the area of a shape on a grid by counting squares.

### Perimeter - Side lengths

- Activity -

Determine the perimeter of rectangles or compound figures using side lengths. ### Number 5

- Lesson plan -

Students develop their understanding of numbers and learn to recognize the number 5 through various examples and exercises.

### Number 10

- Lesson plan -

Students develop their understanding of numbers and learn to recognize the number 10 through various examples and exercises. ### Explore and draw lines of symmetry

- Lesson plan -

Students learn to understand the lines of symmetry in different shapes. This lesson plan includes various exercises to identify and draw the lines of symmetry, and complete the shapes.

### Number Path Ideas

- Lesson plan -

Various idea's for using a Number Path for counting and addition. ### Multiplication Table

- Activity -

Practice multiplication tables from 1 to 12.

### Plane Shapes

- Lesson plan -

Identify common plane shapes including squares, circles, rectangles, triangles. Identify polygons up to six sides. Classify shapes by common characteristics. ### Abacus (vertical)

- Activity -

Learning how to add and subtract.

### Division Facts

- Lesson plan -

Understand and practice dividing without remainders. Use fact families to see how multiplication and division are related. ### Estimation

- Lesson plan -

Use a range of estimation strategies (rounding, front end and clustering) in order to make reasonable estimates and to be able to estimate efficiently.

### Half Circle Protractor

- Activity -

This protractor helps you measure angles. It is adjustable in size and can be used on the entire page. ### Decimals

- Lesson plan -

Solve contextual problems by adding, subtracting, multiplying and dividing decimals.

### Perimeter - Grid based

- Activity -

Determine the perimeter of a shape on a grid.