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### Solid Shapes

- Lesson plan -

Identify geometric solids including cubes, cylinders, cones, spheres, rectangular prisms, and pyramids; relate them to objects in the environment.

### Rounding Whole Numbers

- Lesson plan -

Round whole numbers to the nearest ten and hundred.

### Money

- Lesson plan -

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

- 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.

### Angles

- Lesson plan -

Identify angles as right, less than a right angle or greater than right angle.

### Line Symmetry

- Lesson plan -

Identify and draw lines of symmetry in two-dimensional shapes.

### Time

- Lesson plan -

Solve problems involving elapsed time. Apply vocabulary with time (a.m., p.m. noon, midnight, etc.)

### Sorting by multiple attributes

- Lesson plan -

Sort items by multiple attributes, or combine attributes to form items in a matrix.

### Neighbor Numbers Math Center

- Lesson plan -

Have your students practice with consecutive numbers that are just one more or one less than each other.

### An introduction to area

- Lesson plan -

Introduce the concept of calculating area by placing chairs on a rug.

### Place Value Chart: To Ten Thousands

- Activity -

Students learn the value of numbers.

### Coordinate system

- Activity -

Students learn to name coordinates by studying the grid.

### Customary System

- Activity -

Students learn how to convert from larger units to smaller units or vice versa.

### Compare Equations

- Activity -

Interpret a multiplication equation as a comparison.

### 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.

### Construction With Parts

- Activity -

Practice construction by matching the correct parts with a 3d object.