3.MD.A.2

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- 3.MD.A.1Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.
- 3.MD.A.2Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.

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## 3.MD.A.2

## Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.

17 Lesson(s)

### Mass Versus Weight: Travel to Other Planets

6th Grade Science »
Unit: Properties of Matter

6th Grade Science »
Unit: Properties of Matter

### Measurement: Volume

6th Grade Science »
Unit: Measuring Matter

6th Grade Science »
Unit: Measuring Matter

### I Can Measure Mass, Not Weight, With A Triple Beam Balance!

6th Grade Science »
Unit: Scientific Measuring and Variable Testing

6th Grade Science »
Unit: Scientific Measuring and Variable Testing

Big Idea:

#### Now that students have a clear understanding between mass and weight, they can learn how to measure mass using a triple beam balance. By utilizing free online tools students become comfortable reading a balance before using one.

Favorites
(8)

Resources
(12)

Reflections
(1)

### Pumpkin Problems: Estimates to Actuals

3rd Grade Math »
Unit: Subtraction

3rd Grade Math »
Unit: Subtraction

### Measurement: Mass

6th Grade Science »
Unit: Measuring Matter

6th Grade Science »
Unit: Measuring Matter

Big Idea:

#### The concept of mass is fundamental to identifying and describing matter. Students building a beginning understanding of mass by exploring the concept through words, diagrams and measurements.

Favorites
(29)

Resources
(20)

Reflections
(1)

### Sugary Surprises

3rd Grade Math »
Unit: Math and Me: Nutrition, Health and More

3rd Grade Math »
Unit: Math and Me: Nutrition, Health and More

### Measurement: Density

6th Grade Science »
Unit: Measuring Matter

6th Grade Science »
Unit: Measuring Matter

Big Idea:

#### Density applies to real-world experiences such as sinking and floating that students relate to on a personal level.

Standards:

Favorites
(8)

Resources
(20)

Reflections
(1)

### Dunking for Density Investigation (Part 1/2)

6th Grade Science »
Unit: Properties of Matter

6th Grade Science »
Unit: Properties of Matter

Big Idea:

#### Sink or swim? Students manipulate densities of mini-submarines to make them sink, float and suspend.

Standards:

Favorites
(9)

Resources
(15)

Reflections
(1)

### Measuring Liquid Volume

6th Grade Science »
Unit: Scientific Measuring and Variable Testing

6th Grade Science »
Unit: Scientific Measuring and Variable Testing

### The Difference Between Mass and Customary Weight

3rd Grade Math »
Unit: Measurement and Data

3rd Grade Math »
Unit: Measurement and Data

Big Idea:

#### Students have not had many chances in life to measure weight, nor to explore the units of measure. As scientists, it is important to express findings in a standard way. This lesson helps students determine the why of that concept.

Favorites
(3)

Resources
(10)

Reflections
(1)

### Our Perfect Schedule

3rd Grade Math »
Unit: Math in the Real World

3rd Grade Math »
Unit: Math in the Real World

### Soaking Seeds Part 1

3rd Grade Science »
Unit: Plant Structures

3rd Grade Science »
Unit: Plant Structures

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