Math for Grade 5
1 Number Sense
1-1 Place Value
1-1 1 Understanding place value up to millions
1-1 2 Reading and writing numbers in standard and expanded form
1-1 3 Comparing and ordering numbers
1-2 Rounding
1-2 1 Rounding numbers to the nearest 10, 100, and 1000
1-2 2 Estimating sums and differences
1-3 Number Patterns
1-3 1 Identifying and extending number patterns
1-3 2 Using patterns to solve problems
2 Operations
2-1 Addition and Subtraction
2-1 1 Adding and subtracting multi-digit numbers
2-1 2 Solving word problems involving addition and subtraction
2-2 Multiplication
2-2 1 Multiplication facts up to 12x12
2-2 2 Multiplying multi-digit numbers by one-digit numbers
2-2 3 Multiplying multi-digit numbers by two-digit numbers
2-2 4 Solving word problems involving multiplication
2-3 Division
2-3 1 Division facts up to 12x12
2-3 2 Dividing multi-digit numbers by one-digit numbers
2-3 3 Dividing multi-digit numbers by two-digit numbers
2-3 4 Solving word problems involving division
2-4 Order of Operations
2-4 1 Understanding and applying the order of operations (PEMDAS)
2-4 2 Solving problems with multiple operations
3 Fractions
3-1 Understanding Fractions
3-1 1 Identifying parts of a whole and parts of a set
3-1 2 Equivalent fractions
3-1 3 Comparing and ordering fractions
3-2 Operations with Fractions
3-2 1 Adding and subtracting fractions with like denominators
3-2 2 Adding and subtracting fractions with unlike denominators
3-2 3 Multiplying fractions by whole numbers
3-2 4 Solving word problems involving fractions
4 Decimals
4-1 Understanding Decimals
4-1 1 Reading and writing decimals
4-1 2 Comparing and ordering decimals
4-1 3 Converting between fractions and decimals
4-2 Operations with Decimals
4-2 1 Adding and subtracting decimals
4-2 2 Multiplying decimals
4-2 3 Dividing decimals
4-2 4 Solving word problems involving decimals
5 Measurement
5-1 Units of Measurement
5-1 1 Understanding customary and metric units of length, weight, and capacity
5-1 2 Converting between units of measurement
5-2 Time
5-2 1 Telling time to the minute
5-2 2 Calculating elapsed time
5-2 3 Solving word problems involving time
5-3 Area and Perimeter
5-3 1 Finding the area and perimeter of rectangles and squares
5-3 2 Solving word problems involving area and perimeter
6 Geometry
6-1 Shapes
6-1 1 Identifying and classifying 2D shapes (triangles, quadrilaterals, etc )
6-1 2 Identifying and classifying 3D shapes (cubes, pyramids, etc )
6-2 Angles
6-2 1 Identifying and measuring angles
6-2 2 Classifying angles as acute, obtuse, right, or straight
6-3 Symmetry
6-3 1 Identifying lines of symmetry
6-3 2 Creating symmetrical shapes
7 Data and Probability
7-1 Data Representation
7-1 1 Reading and interpreting bar graphs, line graphs, and pie charts
7-1 2 Creating graphs to represent data
7-2 Probability
7-2 1 Understanding probability as a measure of likelihood
7-2 2 Predicting outcomes based on probability
7-2 3 Solving simple probability problems
Units of Measurement

Units of Measurement

Key Concepts

1. **Understanding Units of Measurement**: Units of measurement are standardized quantities used to quantify different attributes like length, weight, volume, and time.

2. **Metric System**: The metric system is a decimal-based system of measurement used worldwide. It includes units like meters for length, grams for weight, and liters for volume.

3. **Customary System**: The customary system is used primarily in the United States. It includes units like feet for length, pounds for weight, and gallons for volume.

4. **Converting Between Units**: Converting between different units of measurement involves multiplying or dividing by conversion factors.

5. **Practical Applications**: Understanding units of measurement is crucial for everyday tasks such as cooking, construction, and scientific experiments.

Detailed Explanation

Understanding Units of Measurement

Units of measurement provide a standard way to express quantities. For example, the length of a table can be measured in meters, the weight of an apple in grams, and the volume of water in liters.

Example: Measuring Length

The height of a door is measured in meters (m), and the width of a book is measured in centimeters (cm).

Metric System

The metric system is based on the powers of 10, making conversions straightforward. Common units include:

Example: Metric Conversions

1 meter = 100 centimeters (cm)

1 kilogram (kg) = 1000 grams (g)

1 liter (L) = 1000 milliliters (mL)

Customary System

The customary system includes units like inches, feet, pounds, and gallons. These units are not based on the powers of 10, making conversions more complex.

Example: Customary Conversions

1 foot = 12 inches

1 pound (lb) = 16 ounces (oz)

1 gallon (gal) = 4 quarts (qt)

Converting Between Units

To convert between units, use conversion factors. For example, to convert meters to centimeters, multiply by 100. To convert inches to feet, divide by 12.

Example: Converting Units

Convert 3 meters to centimeters: 3 m * 100 = 300 cm

Convert 24 inches to feet: 24 in / 12 = 2 ft

Practical Applications

Understanding units of measurement is essential for various tasks:

Example: Practical Application

In a recipe, you might need 500 grams of flour. To measure this, you would use a kitchen scale.

Examples and Analogies

Think of units of measurement as the language of quantities. Just as words help us communicate ideas, units help us communicate measurements. For example, saying "the table is 1 meter tall" is clearer than saying "the table is tall."

Practical Application

Understanding units of measurement is crucial for various real-life tasks such as: