Unit 2 – Operations with Positive Decimals and Percents

Unit Description

The student will solve problems using decimals and percents. Emphasis should be placed on applications throughout the unit. Applications will use U.S. customary and metric units of measurement.

Broad Learning Outcomes

Upon completion of Unit 2 students will be able to:

2.1    Demonstrate the meaning of decimal numbers.
2.2    Perform operations with decimals.
2.3    Estimate decimals.
2.4    Demonstrate the relationship among fractions, decimals, and percents.
2.5    Solve basic percent problems.
2.6    Read and interpret basic graphs.
2.7    Convert units of measure.
2.8    Solve application problems using U.S. customary and metric units of measurement.

Specific Objectives Upon completion of Unit 2 students will be able to: 2.1    Demonstrate the meaning of decimal numbers.

2.1.1    Convert decimals between standard notation and word notation.
2.1.2    Identify place values in decimals.

2.2    Perform operations with decimals. 

2.2.1    Add and Subtract decimals.
2.2.2    Multiply decimals
.
2.2.3    Divide decimals.

2.2.4    Simplify expressions using order of operations.

2.3    Estimate decimals.   

2.3.1    Round decimals to a specific place value.
2.3.2    Estimate sums, differences, products, and quotients with decimals.

2.4    Demonstrate the relationship among fractions, decimals, and percents.   

2.4.1    Write parts of a whole using percent notation.
2.4.2    Convert among fractions, decimals and percents.

2.4.3    Order a list of fractions and decimals from smallest to largest.

2.5    Solve basic percent problems.   

2.5.1    Calculate all values in the basic percent problem (percent, amount /part, and base).
2.5.2    Calculate percent increase and percent decrease.
2.5.3    Calculate sales tax and commission.
2.5.4    Calculate simple interest.

2.6    Read and interpret basic graphs.   

2.6.1    Read and interpret information from a pie graph.
2.6.2    Calculate the percentage denoted by a pie graph.

2.6.3    Read and interpret information from a bar graph.

2.6.4    Read and interpret information from a line graph.

2.7    Convert units of measure.  

2.7.1    Convert within the U.S. system.
2.7.2    Convert within the metric system.

2.7.3    Convert between U.S. and metric units using conversion tables.

2.7.4    Convert units of time.
2.7.5    Convert between Fahrenheit and Celsius temperatures.

2.8    Solve application problems using U.S. customary and metric units of measurement.